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########################################################
# Please file all bug reports, patches, and feature
# requests under:
# https://sourceforge.net/p/logwatch/_list/tickets
# Help requests and discusion can be filed under:
# https://sourceforge.net/p/logwatch/discussion/
########################################################
########################################################
## Copyright (c) 2008 Kirk Bauer
## Covered under the included MIT/X-Consortium License:
## http://www.opensource.org/licenses/mit-license.php
## All modifications and contributions by other persons to
## this script are assumed to have been donated to the
## Logwatch project and thus assume the above copyright
## and licensing terms. If you want to make contributions
## under your own copyright or a different license this
## must be explicitly stated in the contribution an the
## Logwatch project reserves the right to not accept such
## contributions. If you have made significant
## contributions to this script and want to claim
## copyright please contact logwatch-devel@lists.sourceforge.net.
#########################################################
use strict;
my $Detail = $ENV{'LOGWATCH_DETAIL_LEVEL'} || 0;
my $IgnoreUnmatched = $ENV{'ftpd_ignore_unmatched'} || 0;
my $SegFault = 0;
#Init String Containers
my (
$Temp, $Temp2,
$Class, $Email, $File,
$Host, $IP, $Limit,
$Pass, $User,
);
#Init Arrays
my @OtherList = ();
#Init Hashes
my (
%AnonLogins, %DeletedFiles, %FailedLogins,
%RefusedAnonLogins, %RefusedPorts, %SecurityViolations,
%TimedOut, %UserLogins
);
while (defined(my $ThisLine = <STDIN>)) {
if ( ( $ThisLine =~ /FTP session closed$/ ) or
( $ThisLine =~ /^getpeername \(in.ftpd\): Transport endpoint is not connected$/ ) or
( $ThisLine =~ /^QUIT$/ ) or
( $ThisLine =~ /^[\w\.]+: connected: IDLE\s\[\d+\]: failed login from/ ) or ( $ThisLine =~ /^lost connection to / ) or
( $ThisLine =~ /^wu-ftpd - TLS settings:/ ) or
# The connect info is extracted elsewhere:
( $ThisLine =~ /^USER / ) or
( $ThisLine =~ /^[^ ]+: [^ ]+: USER [^ ]+\[\d+\]:/ ) or
( $ThisLine =~ /^PASS / ) or
( $ThisLine =~ /^[^ ]+: [^ ]+: IDLE\[\d+\]: PASS password$/ ) or
# These are uninteresting:
( $ThisLine =~ /^[^ ]+: [^ ]+: TYPE / ) or
( $ThisLine =~ /^[^ ]+: [^ ]+: PORT / ) or
( $ThisLine =~ /^[^ ]+: [^ ]+: STOR / ) or
( $ThisLine =~ /^[^ ]+: [^ ]+: RNFR / ) or
( $ThisLine =~ /^[^ ]+: [^ ]+: RNTO / ) or
( $ThisLine =~ /^[^ ]+: [^ ]+: SYST\[\d+\]: SYST$/ ) or
( $ThisLine =~ /^[^ ]+: [^ ]+: QUIT\[\d+\]: QUIT$/ ) or
( $ThisLine =~ /^[^ ]+: [^ ]+: PASV\[\d+\]: PASV$/ ) or
# Some people may want these things below, but not in a simple upfront security
( $ThisLine =~ /^[^ ]+: [^ ]+: RETR / ) or
( $ThisLine =~ /^[^ ]+: [^ ]+: LIST / ) or
( $ThisLine =~ /^[^ ]+: [^ ]+: NLST / ) or
# 62.161.227.69: connected: SYST[27800]: cmd failure - not logged in
( $ThisLine =~ /^[^ ]+: [^ ]+: SYST\[\d+\]: cmd failure - not logged in$/ ) or
( $ThisLine =~ /^User .* timed out after .* seconds at .*$/ ) ) {
# We don't care about any of these
} elsif ( ($Host,$IP,$Email) = ( $ThisLine =~ /^ANONYMOUS FTP LOGIN FROM ([^ ]+) \[(.*)\], (.*)$/ ) ) {
$Temp = " " . $Host . " (" . $IP . "): " . $Email . " - ";
$AnonLogins{$Temp}++;
} elsif ( ($Host,$IP,$User) = ( $ThisLine =~ /FTP LOGIN FROM ([^ ]+) \[(.*)\], (.*)$/ ) ) {
$Temp = " " . $Host . " (" . $IP . "): " . $User . " - ";
$UserLogins{$Temp}++;
} elsif ( ($Host,$IP,$User) = ( $ThisLine =~ /^FTP LOGIN REFUSED \(.+\) FROM ([^ ]+) \[(.*)\], (.*)$/ ) ) {
$Temp = " " . $Host . " (" . $IP . "): " . $User . " - ";
$FailedLogins{$Temp}++;
} elsif ( ($Host,$IP,$User) = ( $ThisLine =~ /REFUSED .+ from ([^ ]+) \[(.*)\], (.*)$/i ) ) {
$Temp = " " . $Host . " (" . $IP . "): " . $User . " - ";
$FailedLogins{$Temp}++;
} elsif ( ($Host,$IP,$User) = ( $ThisLine =~ /^failed login from ([^ ]+) \[(.*)\], (.*)$/ ) ) {
$Temp = " " . $Host . " (" . $IP . "): " . $User . " - ";
$FailedLogins{$Temp}++;
} elsif ( ($Limit,$Class,$Host,$IP) = ( $ThisLine =~ /^ACCESS DENIED \(user limit (.*)\; class (.*)\) TO (.*) \[(.*)\]/ ) ) {
$Temp = " " . $Host . " (" . $IP . "): class " . $Class . " (Limit: " . $Limit . ") - ";
$FailedLogins{$Temp}++;
} elsif ( ($Host,$IP) = ( $ThisLine =~ /^FTP ACCESS REFUSED \(anonymous password not rfc822\) from (.*) \[(.*)\]/ ) ) {
$Temp = " " . $Host . " (" . $IP . ") - ";
$FailedLogins{$Temp}++;
} elsif ( ($Host,$IP,$User) = ( $ThisLine =~ /failed login from ([^ ]+) \[(.*)\]$/ ) ) {
$Temp = " " . $Host . " (" . $IP . ") - ";
$FailedLogins{$Temp}++;
} elsif ( ($IP,$Host) = ( $ThisLine =~ /^refused PORT ([\d.]+),\d+ from (.*)$/ ) ) {
$Temp = " " . $Host . " (" . $IP . ") - ";
$RefusedPorts{$Temp}++;
} elsif ( $ThisLine =~ /^exiting on signal 11: Segmentation fault$/ ) {
$SegFault++;
} elsif ( ($User,$Host,$IP,$File) = ( $ThisLine =~ /^([^ ]+) of ([^ ]*) \[(.*)\] deleted (.*)$/ ) ) {
$Temp = " " . $Host . " (" . $IP . "): " . $User . "\n";
$Temp2 = " " . $File . "\n";
push @{$DeletedFiles{$Temp}}, $Temp2;
} elsif ( ($User,$Pass,$Host,$IP) = ( $ThisLine =~ /(.*)\((.*)\) of (.*) \[(.*)\] tried to/) ) {
$Temp = " " . $Host . " ($IP): " . $User . " ($Pass) - ";
$SecurityViolations{$Temp}++;
} elsif ( ($Host,$User,$IP) = ( $ThisLine =~ /(.*)\: (.*)\: SITE .* \[(.*)\] tried to/) ) {
$Temp = " " . $Host . " ($IP): " . $User . " - ";
$SecurityViolations{$Temp}++;
} elsif ( ($Host,$IP) = ( $ThisLine =~ /^FTP LOGIN FAILED \(cannot set guest privileges\) for ([^ ]+) \[(.*)\], ftp$/ ) ) {
$Temp = " " . $Host . " (" . $IP . "): - ";
$RefusedAnonLogins{$Temp}++;
} elsif ( ($Host, $User) = ( $ThisLine =~ /^([^ ]+): ([^ ]+): IDLE\[\d+\]: User [^
]+ timed out after / ) ) {
# dhcp024-208-136-047.insight.rr.com: visitor: IDLE[23195]: User visitor timed out after 900 seconds at Mon Jan 13 00:25:24 2003
$TimedOut{" " . $Host . " : " . $User}++;
} else {
# Report any unmatched entries...
push @OtherList,$ThisLine;
}
}
if ( (keys %AnonLogins) and ($Detail >= 10) ) {
print "\nAnonymous FTP Logins:\n";
foreach my $ThisOne (keys %AnonLogins) {
print $ThisOne . $AnonLogins{$ThisOne} . " Time(s)\n";
}
}
if ((keys %DeletedFiles) and ($Detail >= 10)) {
print "\nFiles deleted through FTP:\n";
foreach my $ThisOne (keys %DeletedFiles) {
print $ThisOne;
print @{$DeletedFiles{$ThisOne}};
}
}
if ((keys %UserLogins) and ($Detail >= 5)) {
print "\nUser FTP Logins:\n";
foreach my $ThisOne (keys %UserLogins) {
print $ThisOne . $UserLogins{$ThisOne} . " Time(s)\n";
}
}
if (keys %FailedLogins) {
print "\nFailed FTP Logins:\n";
foreach my $ThisOne (keys %FailedLogins) {
print $ThisOne . $FailedLogins{$ThisOne} . " Time(s)\n";
}
}
if ( (keys %RefusedPorts) and ($Detail >= 10) ) {
print "\nRefused PORTs:\n";
foreach my $ThisOne (keys %RefusedPorts) {
print $ThisOne . $RefusedPorts{$ThisOne} . " Time(s)\n";
}
}
if (keys %TimedOut) {
print "\nConnections timed out:\n";
foreach my $ThisOne (keys %TimedOut) {
print $ThisOne . $TimedOut{$ThisOne} . " Time(s)\n";
}
}
if ( (keys %SecurityViolations) and ($Detail >= 5) ) {
print "\nFailed filesystem violations:\n";
foreach my $ThisOne (keys %SecurityViolations) {
print $ThisOne . $SecurityViolations{$ThisOne} . " Time(s)\n";
}
}
if (keys %RefusedAnonLogins) {
print "\nRefused anonymous FTP Logins:\n";
foreach my $ThisOne (keys %RefusedAnonLogins) {
print $ThisOne . $RefusedAnonLogins{$ThisOne} . " Time(s)\n";
}
}
if ($SegFault > 0) {
print "\nexiting on signal 11: Segmentation fault: $SegFault Time(s)\n";
}
if (($#OtherList >= 0) and (not $IgnoreUnmatched)){
print "\n**Unmatched Entries**\n";
print @OtherList;
}
exit(0);
# vi: shiftwidth=3 tabstop=3 syntax=perl et
# Local Variables:
# mode: perl
# perl-indent-level: 3
# indent-tabs-mode: nil
# End:
|
