smtp 용 허니팟 스크립트 입니다.
그리고 정부기관의 배너로 스푸핑하는 것도 가능합니다.
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#!/usr/local/bin/perl -w #!c:\perl\bin\perl.exe -w # Created by hackmen and weazy at Interz0ne '02 # Released by Cybnet Security Group as freeware # # Date Last Modified: 10/15/2002 1437 # # Abstract: Simulates and SMTP server in order to catch crackers and spammers. # Notes for future development: # need to add comments # modularize the prog to accept unique SMTP distro specs to allow easy emulation # create IP masquerading to simulate an entire network from the same prog # # legalz: modify and use at will, if you make any changes, improvements, updates or use the code # in another project, please send us what you did and give credit # if you have any questions, post them at forum.hackerthreads.net # be sure to check out hackerthreads.org for updates and new tutorials/downloads # Alter $host = to whatever hostname you want to simulate use strict; use Socket; my $port = 25; my $host = "admin.secure.fbi.gov"; my $smtpver = "Sendmail 8.11.3"; my $tcp = getprotobyname('tcp'); socket(Server, PF_INET, SOCK_STREAM, $tcp) or die "socket: $!"; setsockopt(Server, SOL_SOCKET, SO_REUSEADDR, pack("l", 1)) or die "setsockopt: $!"; bind(Server, sockaddr_in($port, INADDR_ANY)) or die "bind: $!"; listen(Server,SOMAXCONN) or die "listen: $!"; print STDERR ("\n"); logmsg ("server started on port ", $port, "\n\n"); my ( $addr, @inetaddr ); my $old_handle = select Client; $| =1; select $old_handle; *STDOUT = *Client; *STDIN = *Client; while (1) { $addr = accept(Client,Server); my(undef, undef, $inetaddr) = unpack('S n a4 x8', $addr); @inetaddr = unpack('C4', $inetaddr); print STDERR ("\n\n"); logmsg ("incoming connection from: ", join(".", @inetaddr), "\n"); &READ (); } close Client; sub logmsg { print STDERR (scalar (localtime), ": ", $$, ": ", @_); } sub READ { my $saidhelo = 0; my $saidmail = 0; my $maildata; print ("220 ", $host, ' ', $smtpver, ' ', scalar (localtime), "\r\n"); while (1) { my $commands = <STDIN>; if (!defined ($commands)) { return; } $commands =~ s/[\r\n]+|\s+$//g; my @commands = split (/\s+/, $commands); logmsg ($commands, "\n"); if (!defined $commands[1]) { $commands[1] = ''; } if (!defined $commands[2]) { $commands[2] = ''; } my %smtphash = ( AUTH => "503 AUTH mechanism not available.\x0d\x0a", BADRCPT => "503 5.0.0 Need MAIL before RCPT\x0d\x0a", BADHELO => "503 5.0.0 Polite people say HELO first\x0d\x0a", DATA => "354 Enter mail, end with \"\.\" on a line by itself\x0d\x0a", DATAerr => "503 5.0.0 Need MAIL command\x0d\x0a", DATAsent => "250 2.0.0 g8684xUD014698 Message accepted for delivery\x0d\x0a", EHLOOUT => "501 5.0.0 HELO requires domain address.\x0d\x0a", ERR => "500 5.5.1 Command unrecognized: $commands\x0d\x0a", ETRN => "500 5.5.2 Parameter required\x0d\x0a", EXPN => "502 5.7.0 Sorry, we do not allow this operation.\x0d\x0a", HELOERR => "501 5.0.0 Invalid domain name\x0d\x0a", HELOOUT => "501 5.0.0 HELO requires domain address.\x0d\x0a", HELOIN => "250 $host Hello $commands[1], pleased to meet you.\x0d\x0a", MAILFROM => "553 5.5.4 MAILDATA... Domain name required for sender address MAILDATA\x0d\x0a", MAILTO => "250 2.1.0 MAILDATA... Sender ok\x0d\x0a", MAIL => "501 5.5.2 Syntax error in parameters scanning \"$commands[1]\"\x0d\x0a", NOOP => "250 2.0.0 OK.\x0d\x0a", QUIT => "220 2.0.0 $host closing connection..\x0d\x0a", RCPTTO => "250 2.1.5 $commands[2]... Recipient ok\x0d\x0a", RESET => "250 2.0.0 Reset state.\x0d\x0a", RSET => "250 2.0.0 Reset state\x0d\x0a", STARTTLS => "454 4.3.3 TLS not available after start..\x0d\x0a", VRFY => "252 2.5.2 Cannot VRFY user; try RCPT to attempt delivery (or try finger).\x0d\x0a", HELP => "214-2.0.0 Sendmail v8.4.3\x0d\x0a214-2.0.0 Topics:\x0d\x0a214-2.0.0 HELO EHLO MAIL RCPT DATA\x0d\x0a214-2.0.0 RSET NOOP QUIT HELP VRFY\x0d\x0a214-2.0.0 EXPN VERB ETRN DSN AUTH\x0d\x0a214-2.0.0 STARTTLS\x0d\x0a214-2.0.0 For more info use \"HELP <topic>\".\x0d\x0a214-2.0.0 For local information send email to Postmaster at your site.\x0d\x0a214 2.0.0 End of HELP info.\x0d\x0a", EHLO => "250-ENHANCEDSTATUSCODES\x0d\x0a250-8BITMIME\x0d\x0a250-SIZE\x0d\x0a250-DSN\x0d\x0a250-ONEX\x0d\x0a250-ETRN\x0d\x0a250-XUSR\x0d\x0a250 HELP\x0d\x0a", ); if (!defined ($commands[0]) or $commands[0] eq '') { next; } elsif ($commands[0] =~ /^HELO$/) { if($commands[1] eq '') { print ($smtphash{HELOOUT}); } elsif ($commands[1] =~ /[\!\@\#\$\%\^&\*\(\)\|\\,>?\/\"\':;\{\}]/) { print $smtphash{HELOERR}; } else { print $smtphash{HELOIN}; $saidhelo = 1; } } elsif ($commands[0] =~ /^HELP$|^RESET$|^NOOP$|^AUTH$|^STARTTLS$|^VRFY$|^EXPN$|^ETRN$|^RSET$/) { print ($smtphash{$commands[0]}); sleep 1; } elsif ($commands[0] =~ /^EHLO$/) { if($commands[1] eq '') { print ($smtphash{EHLOOUT}); } else { print ($smtphash{HELOIN}); print ($smtphash{EHLO}); $saidhelo = 1; } } elsif ($commands[0] =~ /^QUIT$/) { print $smtphash{QUIT}; return; } elsif ($commands[0] =~ /^MAIL$/) { $maildata = $commands[2]; if ($commands[2] eq '') { $maildata = $commands[1]; if ($commands[1] =~ m@.*from:<(.*)>@i) { $maildata = $1; } } if ($saidhelo == 0) { print $smtphash{BADHELO}; # Is there a space after from: } elsif ($commands[1] =~ /from:/) { if ($commands[2] =~ /\@/ || $commands[1] =~ /\@/) { $saidmail = 1; $smtphash{MAILTO} =~ s/MAILDATA/$maildata/g; print ($smtphash{MAILTO}); } else { $smtphash{MAILFROM} =~ s/MAILDATA/$maildata/g; print ($smtphash{MAILFROM}); } } elsif ($saidhelo == 1) { print ($smtphash{MAIL}); } } elsif ($commands[0] =~ /^RCPT$/) { $maildata = $commands[2]; if ($commands[1] =~ /to:<(.*?)>/i || $commands[2] =~ /<(.*?)>/ ) { $maildata = $1; } if ($saidmail == 0) { print ($smtphash{BADRCPT}); } else { # Is there a space after to: if ($commands[1] =~ /to:/ && $maildata ne '') { print ("250 2.1.5 $maildata... Recipient ok\x0d\x0a"); } else { print ($smtphash{MAIL}); } } } elsif ($commands[0] =~ /^DATA$/) { if ($saidmail == 1) { print ($smtphash{DATA}); while (<STDIN>) { last if /^\.\x0d$/; } print ($smtphash{DATAsent}); } else { print ($smtphash{DATAERR}); } } else { print ($smtphash{ERR}); } } } |