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########################################################
# Please file all bug reports, patches, and feature
# requests under:
# https://sourceforge.net/p/logwatch/_list/tickets
# and copy:
# Torben Hansen <derhansen@gmail.com>
# Help requests and discusion can be filed under:
# https://sourceforge.net/p/logwatch/discussion/
########################################################
##########################################################################
# This script is written an maintained by:
# Torben Hansen <derhansen@gmail.com>
#
# To send comments, suggestions, bugreports, etc, please use:
# https://github.com/derhansen/logwatch-modsec2
##########################################################################
##########################################################################
## Copyright © 2013 Torben Hansen <derhansen@gmail.com>
## 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 Logwatch ':dates';
use strict;
# Disable warnings about unused variables
#no warnings qw(once);
my $Detail = $ENV{'LOGWATCH_DETAIL_LEVEL'} || 0;
my $Debug = $ENV{'LOGWATCH_DEBUG'} || 0;
my $SearchDate = TimeFilter('%d/%b/%Y:%H:%M:%S');
my $within_range = 0;
my %tmpEntry = (); #This gets reset in STDIN loop perhaps in error
my $count = 0;
my %messages = ();
my %topips = ();
my %toprules = ();
my $check = 0;
my $option = '';
if ( $Debug >= 5 ) {
print STDERR "\n\nDEBUG MODE \n\n";
}
# Initialize array
$tmpEntry{$count}{"action"} = "";
$tmpEntry{$count}{"hostname"} = "";
$tmpEntry{$count}{"message"} = "";
$tmpEntry{$count}{"ruleid"} = "";
while (defined(my $ThisLine = <STDIN>)) {
chomp($ThisLine);
# Reset $check if line starts with two dashes
if ( $ThisLine =~ /-[A-Z]--/ ) {
$check = 0;
$option = "";
}
if ($check == 1) {
if ($option eq "audit-log-header") {
my ($timestamp, $transactionID, $sourceIP, $sourcePort, $destIP, $destPort ) = ($ThisLine =~ /\[(.*?)\] (.*?) (.*?) (.*?) (.*?) (.*?)$/ );
$tmpEntry{$count}{"timestamp"} = $timestamp;
$tmpEntry{$count}{"sourceIp"} = $sourceIP;
$tmpEntry{$count}{"sourcePort"} = $sourcePort;
$tmpEntry{$count}{"destIp"} = $destIP;
$tmpEntry{$count}{"destPort"} = $destPort;
if ( $Debug >= 5 ) {
print STDERR "\n";
print STDERR "DATE: " . $timestamp . "\n";
print STDERR "FROM: ". $sourceIP . ":" . $sourcePort . "\n";
print STDERR "TO: ". $destIP . ":" . $destPort . "\n";
}
}
if ($option eq "request-header") {
if ( my ($method, $requestUri) = ($ThisLine =~ /^(POST|GET) (.*?)$/) ) {
$tmpEntry{$count}{"method"} = $method;
$tmpEntry{$count}{"uri"} = $requestUri;
if ( $Debug >= 5 ) {
print STDERR "METHOD: " . $method . "\n";
print STDERR "URI: " . $requestUri . "\n";
}
}
elsif ( my ($hostname) = ($ThisLine =~ /^Host: (.*?)$/) ) {
$tmpEntry{$count}{"hostname"} = $hostname;
if ( $Debug >= 5 ) {
print STDERR "HOST: " . $hostname . "\n";
}
}
}
if ($option eq "audit-log-trailer") {
if ( $ThisLine =~ /^Message:/ ) {
my ($ruleId, $msg);
if ( ($ruleId) = ($ThisLine =~ /\[id \"(.*?)\"\]/) ) {
if ( $Debug >= 5 ) {
print STDERR "Rule ID: " . $ruleId. "\n";
}
}
if ( ($msg) = ($ThisLine =~ /\[msg \"(.*?)\"\]/) ) {
if ( $Debug >= 5 ) {
print STDERR "Message: " . $msg. "\n";
}
}
$tmpEntry{$count}{"ruleid"} = $ruleId;
$tmpEntry{$count}{"message"} = $msg;
}
if ( my ($action) = ($ThisLine =~ /^Action: (.*?)$/) ) {
$tmpEntry{$count}{"action"} = $action;
if ( $Debug >= 5 ) {
print STDERR "Action: " . $action. "\n";
}
}
if ( my ($engineMode) = ($ThisLine =~ /^Engine-Mode: (.*?)$/) ) {
$tmpEntry{$count}{"engine"} = $engineMode;
if ( $Debug >= 5 ) {
print STDERR "Engine mode: " . $engineMode. "\n";
}
}
}
}
if ( $ThisLine =~ /-A--/ ) {
$check = 1;
$option = "audit-log-header";
}
elsif ( $ThisLine =~ /-B--/ ) {
$check = 1;
$option = "request-header";
}
elsif ( $ThisLine =~ /-H--/ ) {
$check = 1;
$option = "audit-log-trailer";
}
elsif ( $ThisLine =~ /-Z--/ ) {
$check = 0;
$option = "";
# Create new summary entry if date matches searchdate
if ( $tmpEntry{$count}{"timestamp"} =~ /$SearchDate/ ) {
if ( $tmpEntry{$count}{"action"} ne "" && $tmpEntry{$count}{"hostname"} ne "" && $tmpEntry{$count}{"message"} ne "" && $tmpEntry{$count}{"ruleid"} ne "" ) {
$messages{$tmpEntry{$count}{"hostname"}}{"numAttacks"}++;
$messages{$tmpEntry{$count}{"hostname"}}{"attack"}{$tmpEntry{$count}{"sourceIp"}}{$tmpEntry{$count}{"ruleid"}} = $tmpEntry{$count}{"message"};
$messages{$tmpEntry{$count}{"hostname"}}{$tmpEntry{$count}{"sourceIp"}}{$tmpEntry{$count}{"ruleid"}}++;
$topips{$tmpEntry{$count}{"sourceIp"}}++;
$toprules{$tmpEntry{$count}{"ruleid"}}++;
}
}
# Increase counter
$count++;
# Reset values
#$tmpEntry = ();
$tmpEntry{$count}{"action"} = "";
$tmpEntry{$count}{"hostname"} = "";
$tmpEntry{$count}{"message"} = "";
$tmpEntry{$count}{"ruleid"} = "";
if ( $Debug >= 5 ) {
print STDERR "---------------------------------------\n";
}
}
}
# Start summary
if (keys %messages) {
print "\nATTACKS BLOCKED ON VHOSTS:\n";
foreach my $vhost ( sort {$a cmp $b} keys %messages ) {
print "\n" . $vhost . " - " . $messages{$vhost}{"numAttacks"} . " time(s)\n";
foreach my $fromip (sort {$a cmp $b} keys %{$messages{$vhost}{"attack"}}) {
foreach my $ruleid (sort {$a cmp $b} keys %{$messages{$vhost}{"attack"}{$fromip}}) {
print " [ip: " . sprintf("%-15s", $fromip) . "] ";
print "[id: " . $ruleid . " ] [msg: " . $messages{$vhost}{"attack"}{$fromip}{$ruleid} . "] ";
print " - " . $messages{$vhost}{$fromip}{$ruleid} . " time(s)\n";
}
}
}
}
# Top 10 blocked IPs
if (keys %topips) {
print "\nTOP 10 BLOCKED IPS:\n";
my $cnt = 0;
foreach my $ip ( sort {$topips{$b} <=> $topips{$a}} keys %topips ) {
print "\n " . sprintf("%2s", ($cnt + 1)) . ". " . $ip . " - " . $topips{$ip} . " time(s)";
$cnt++;
if($cnt == 10) { last(); }
}
print "\n";
}
exit(0)
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