1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
|
########################################################
# 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) 2020 Orion Poplawski
## 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;
use warnings;
use URI::URL;
my $Detail = $ENV{'LOGWATCH_DETAIL_LEVEL'} || 0;
my $Ignore_messages = $ENV{'ignore_messages'} || '^$';
my @PowerShell_Summarize_Users = split(',',$ENV{'powershell_summarize_users'});
my $Laptops = $ENV{'laptops'} || '^$';
my %Applications;
while (defined(my $ThisLine = <STDIN>)) {
# User specified ignore messages, lower cased
next if $ThisLine =~ /$Ignore_messages/i;
my ($Criticality,$SourceName,$DateTime,$EventID,$Application,$UserName,$SIDType,$EventLogType,$Hostname,$CategoryString,$DataString,$ExpandedString,$Extra);
#Determine format
if ($ThisLine =~ /MSWinEventLog\[/) { # Snare 4
#Parse
($Criticality,$SourceName,$DateTime,$EventID,$Application,$UserName,$SIDType,$EventLogType,$Hostname,$CategoryString,$DataString,$ExpandedString,$Extra) =
($ThisLine =~ /(\S+)\sMSWinEventLog\[(\d+)\]:(\w+)\t\d+\t([^\t]+)\t(\d+)\t([^\t]+)\t([^\t]+)\t([^\t]+)\t([^\t]+)\t([^\t]+)\t?([^\t]*)\t?([^\t]*)\t?([^\t]*)\t?([^\t]*)/);
} elsif ($ThisLine =~ /MSWinEventLog\t/) { # Snare 3
#Parse
($Criticality,$SourceName,$DateTime,$EventID,$Application,$UserName,$SIDType,$EventLogType,$Hostname,$CategoryString,$DataString,$ExpandedString,$Extra) =
($ThisLine =~ /MSWinEventLog\t(\d+)\t([^\t]+)\t\d+\t([^\t]+)\t(\d+)\t([^\t]+)\t([^\t]+)\t([^\t]+)\t([^\t]+)\t([^\t]+)\t?([^\t]*)\t?([^\t]*)\t?([^\t]*)\t?([^\t]*)/);
}
if (!defined($Hostname)) {
print STDERR "Cannot parse $ThisLine";
next;
}
next if $EventLogType eq "Information" and $ExpandedString !~ "BlueScreen";
next if $ExpandedString eq "N/A";
next if $SourceName =~ /^Microsoft-(?:Windows-Store|WindowsAzure-Diagnostics\/(?:GuestAgent|Heartbeat))/;
next if $SourceName eq "Microsoft-Windows-SettingSync/Debug";
next if $Application =~ /^Microsoft-Windows-SettingsSync/;
next if $Application eq "Windows-ApplicationModel-Store-SDK";
next if $Application eq "Microsoft-Windows-Store";
next if $Application eq "Microsoft-Windows-WMI-Activity";
if ($Application eq "Microsoft-Windows-GroupPolicy") {
next if $ExpandedString =~ /Completed Security Extension Processing in \d+ milliseconds\./;
next if $ExpandedString =~ /roup Policy failed to discover the Domain Controller details in \d+ milliseconds\./;
next if $ExpandedString =~ /Skipped .* Extension based on Group Policy client-side processing rules\./;
} elsif ($Application eq "Microsoft-Windows-Security-LessPrivilegedAppContainer") {
next if $ExpandedString =~ /^Access to the a resource has been denied for a less privileged app container/;
} elsif ($Application eq "Microsoft-Windows-SMBClient") {
next if $ExpandedString =~ /^A network connection was disconnected/;
next if $ExpandedString =~ /^Failed to establish a network connection/;
next if $ExpandedString =~ /^The client lost its session to the server/;
next if $ExpandedString =~ /^The connection to the share was lost/;
next if $ExpandedString =~ /^The The server name cannot be resolved/;
} elsif ($Application eq "Microsoft-Windows-SMBServer") {
if (my ($ClientName, $UserName, $ShareName) = ($ExpandedString =~ /The share denied access to the client.*Client Name: (.*) Client Address: .* User Name: (.*) Session ID: .* Share Name: (.*) Share Path:/)) {
$ExpandedString = "Access denied to share $ShareName by $UserName from $ClientName";
}
} elsif ($Application eq "Microsoft-Windows-StorPort") {
next if $ExpandedString =~ /^The miniport logged an event\.$/;
} elsif ($Application eq "Microsoft-Windows-TaskScheduler") {
next if $ExpandedString =~ /^Task Scheduler did not launch task .* because user .* was not logged on when the launching conditions were met/;
next if $ExpandedString =~ /^Task Scheduler queued instance .* of task/;
}
# Modify some items that prevent de-duplication
if ($Detail < 10) {
$ExpandedString =~ s/(Task-S-)[0-9-]+/$1XXX/g;
$ExpandedString =~ s/(guid:|GUID:|Guid:|Guid is|KEY:|known folder|interface|PRINTENUM\\|TransactionId:)( ?\{)[0-9A-Fa-f-]+\}/$1${2}XXX}/g;
$ExpandedString =~ s/(ClientProcessId =|ElapsedTime\(ms\):|NextScheduled\S+|Process ID:?|PID|Transaction [^:]*Time \(msec\):|Try) \d+/$1 XXX/g;
$ExpandedString =~ s/[\d.]+ (milli|)seconds/XXX $1seconds/g;
$ExpandedString =~ s,\d{4}/\d\d/\d\d \d\d:\d\d:\d\d(?:\.\d+)?,TIMESTAMP,g;
$ExpandedString =~ s,\d{4}-\d\d-\d\d[T ]\d\d:\d\d:\d\d(?:\.\d+)?Z?,TIMESTAMP,g;
$ExpandedString =~ s/(ddress|Hash|Message ID|offset|Session ID):( ?0x)[0-9A-Fa-f]{2,16}/$1:${2}XXXX/g;
$ExpandedString =~ s/\d+ms/Xms/g;
$ExpandedString =~ s/nstance "\{[^}]+\}"/nstance XXXX/g;
$ExpandedString =~ s/location [0-9a-f]{40}/location XXXX/g;
$ExpandedString =~ s/(adalCorrelationId|client|Correlation ID|ID \(request\)|Trace ID): [0-9a-f-]+/$1: XXXX/g;
$ExpandedString =~ s/ddress: ([^:]+):\d+/ddress: $1:XXXXX/g;
}
#print STDERR "Application = $Application ExpandedString = $ExpandedString\n";
#2021-02-07T23:49:45.083111-08:00 contracting01.ad.nwra.com MSWinEventLog 2 Microsoft-Windows-PowerShell/Operational 97386 Sun Feb 07 23:49:44 2021 4104 Microsoft-Windows-PowerShell appstats User Warning contracting01.ad.nwra.com Execute a Remote Command Creating Scriptblock text (1 of 2): # Copyright © 2017 Chocolatey Software, Inc. # Copyright © 2015 - 2017 RealDimensions Software, LLC # Copyright © 2011 - 2015 RealDimensions Software, LLC & original
#($Criticality,$SourceName,$DateTime,$EventID,$Application,$UserName,$SIDType,$EventLogType,$Hostname,$CategoryString,$DataString,$ExpandedString,$Extra) =
#my $url = URI::URL->new("http://www.eventid.net/display.asp?eventid=$EventID&source=$Application");
#my $urlstr = $url->abs;
#$Applications{$Application}->{"$Hostname: $ExpandedString\n$url"}++;
if ($Application eq "Microsoft-Windows-PowerShell") {
# Only capture block 1
next if $ExpandedString =~ /^Creating Scriptblock text/ && $ExpandedString !~ /^Creating Scriptblock text \(1 /;
if (grep(/^$UserName$/i,@PowerShell_Summarize_Users)) {
$Applications{$SourceName}->{$Application}->{"$Hostname: $UserName $CategoryString"}++;
} else {
$Applications{$SourceName}->{$Application}->{"$Hostname: $UserName $CategoryString " . substr($ExpandedString, 0, 120)}++;
}
} else {
$Applications{$SourceName}->{$Application}->{"$Hostname: $ExpandedString"}++;
}
}
if (keys %Applications) {
foreach my $SourceName (sort(keys %Applications)) {
print "\n$SourceName\n";
foreach my $Application (sort(keys %{$Applications{$SourceName}})) {
print "\n $Application\n";
foreach my $Error (sort(keys %{$Applications{$SourceName}->{$Application}})) {
print " $Error : $Applications{$SourceName}->{$Application}->{$Error} Times\n";
}
}
}
}
exit(0);
# vi: shiftwidth=3 tabstop=3 syntax=perl et
# Local Variables:
# mode: perl
# perl-indent-level: 3
# indent-tabs-mode: nil
# End:
|
