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Lilith

Lilith reads in EVE files from Suricata and Sagan into PostgreSQL.

From there that data can then be searched and information on specific events fetched.

Intalation

Debian

apt-get install zlib1g-dev cpanminus libjson-perl libtoml-perl \
 libdbi-perl libfile-readbackwards-perl libdigest-sha-perl libpoe-perl \
 libfile-slurp-perl libdbd-pg-perl
cpanm Lilith

FreeBSD

pkg install p5-App-cpanminus p5-JSON p5-TOML p5-DBI \
 p5-File-ReadBackwards p5-Digest-SHA p5-POE \
 p5-MIME-Base64 p5-Gzip-Faster p5-DBD-Pg p5-File-Slurp
cpanm Lilith

Source

perl Makefile.PL
make
make test
make install

Setup

First you need to setup your PostgreSQL server.

createuser -D -l -P -R -S lilith
createdb -E UTF8 -O lilith lilith

Setup /usr/local/etc/lilith.toml

dsn="dbi:Pg:dbname=lilith;host=192.168.1.2"
pass="WhateverYouSetAsApassword"
user="lilith"
# a handy one to ignore for the extend as it is spammy
class_ignore=["Generic Protocol Command Decode"]

# add a suricata instance to monitor
[suricata-eve]
instance="foo-pie"
type="suricata"
eve="/var/log/suricata/alert.json"

# add a second suricata instance to monitor
[another-eve]
instance="foo2-pie"
type="suricata"
eve="/var/log/suricata/alert2.json"

# add a sagan eve to monitor
# instance name is 'foo-lae', given there is no value for instance
[foo-lae]
type="sagan"
eve="/var/log/sagan/alert.json"

Now we just need to setup the tables.

lilith -a create_tables

If using snmpd.

extend lilith /usr/local/bin/lilith -a extend

Config File

The default config file is /usr/local/etc/lilith.toml.

Variable Description
dsn A DSN connection string to be used by [DBI][https://metacpan.org/pod/DBI]. [DBD::Pg][https://metacpan.org/pod/DBD::Pg]
pass Password to use for the connection.
user User to use for the connetion.
class_ignore Array of classes to ignore.

Sub hashes are then treated as a instance. The following values are available for that.

Variable Required Description
eve yes The EVE file to follow.
type yes sagan or suricata, depending on which it is.
instance no The name for the instance. If not specified the hash name is used.

Options

SYNOPSIS

lilith [-c <config>] -a run

lilith -a class_map

lilith [-c <config>] -a create_tables

lilith [-c <config>] -a dump_self

lilith [-c <config>] -a event [-t <table>] --id <row_id> [--raw] [[--virani <remote>] [--pcap <output file>] [--buffer <buffer secodns>]]

lilith [-c <config>] -a event [-t <table>] --event <event_id> [--raw] [[--virani <remote>] [--pcap <output file>] [--buffer <buffer secodns>]]

lilith [-c <config>] -a extend [-Z] [-m <minutes>]

lilith -a generate_baphomet_yamls --dir <dir>

lilith [-c <config>] -a get_short_class_snmp_list

lilith [-c <config>] -a search [--output <return>] [-t <table>] [-m <minutes>] [--order <clm>] [--limit <int>] [--offset <int>] [--orderdir <dir>] [--si <src_ip>] [--di <dst_ip>] [--ip <ip>] [--sp <src_port>] [--dp <dst_port>] [--port <port>] [--host <host>] [--hostl] [--hosN] [--ih <host>] [--ihl] [--ihN] [-i <instance>] [-il] [-iN] [-c <class>] [--cl] [--cN] [-s <sig>] [--sl] [--sN] [--if <if>] [--ifl] [--ifN] [--ap <proto>] [--apl] [--apN] [--gid <gid>] [--sid <sid>] [--rev <rev>]

GENERAL SWITCHES

-a

The action to perform.

- Default :: search

-c

The config file to use.

- Default :: /usr/local/etc/lilith.toml

-t

Table to operate on.

- Default :: suricata

ACTIONS

run

Start processing the EVE logs and daemonize.

class_map

Print a table of class mapping from long name to the short name used for display in the search results.

create_tables

Create the tables in the DB.

dump_self

Initiate Lilith and then dump it via Data::Dumper.

event

Fetches a event. The table to use can be specified via -t.

--id <row_id>

Fetch event via row ID.

--event <event_id>

Fetch the event via the event ID.

--raw

Do not decode the EVE JSON.

--pcap

Fetch the remote PCAP via Virani and write it to the file. Only usable for with Suricata tables.

Default :: undef

--virani

Virani setting to pass to -r.

Default :: instance name in alert

--buffer

How many seconds to pad the start and end time with.

Default :: 60

extend

Prints a LibreNMS style extend.

-Z

Enable Gzip+Base64 LibreNMS style extend compression.

-m

How far back to search. For the extend action, 5 minutes is the default.

generate_baphomet_yamls

Generate the YAMLs for Baphomet.

-d

The directory to write it out too.

get_short_class_snmp_list

Print a list of shorted class names for use wit SNMP.

search

Search the DB. The table may be specified via -t.

The common option types for search are as below.

- Integer :: A comma seperated list of integers to check for. Any number
             prefixed with a ! will be negated.
- String :: A string to check for. May be matched using like or negated via
            the proper options.
- Complex :: A item to match.
General Search Options
--output

The output type.

- Values :: table,json
- Default :: table
-m

How far back to to in minutes.

- Default :: 1440

- Default, extend :: 5
--order

Column to use for sorting by.

- Default :: timestamp
--orderdir

Direction to order in.

- Values :: ASC,DSC
- Default :: ASC
IP Options
--si

Source IP.

- Default :: undef
- Type :: string
--di

Destination IP.

- Default :: undef
- Type :: string
--ip

IP, either dst or src.

- Default :: undef
- Type :: complex
Port Options
--sp

Source port.

- Default :: undef
- Type :: integer
--dp

Destination port.

- Default :: undef
- Type :: integer
-p

Port, either dst or src.

- Default :: undef
- Type :: complex
Host Options
Sagan :: Host is the sending system and instance host is the host the
         instance is running on.

Suricata :: Host is the system the instance is running on. There is no
            instance host.
--host

Host.

- Default :: undef
- Type :: string
--hostl

Use like for matching host.

- Default :: undef
--hostN

Invert host matching.

- Default :: undef
Instance Options
--ih

Instance host.

- Default :: undef
- Type :: string
--ihl

Use like for matching instance host.

- Default :: undef
--ihN

Invert instance host matching.

- Default :: undef
Instance Options

=head4 -i

Instance.

- Default :: undef
- Type :: string
--il

Use like for matching instance.

- Default :: undef
--iN

Invert instance matching.

- Default :: undef
Class Options
-c

Classification.

- Default :: undef
- Type :: string
--cl

Use like for matching classification.

- Default :: undef
--cN

Invert class matching.

- Default :: undef
Signature Options
-s

Signature.

- Default :: undef
- Type :: string
--sl

Use like for matching signature.

- Default :: undef
--sN

Invert signature matching.

- Default :: undef
In Interface Options
--if

Interface.

- Default :: undef
- Type :: string
--ifl

Use like for matching interface.

- Default :: undef
--ifN

Invert interface matching.

- Default :: undef
App Proto Options
--ap

App proto.

- Default :: undef
- Type :: string
--apl

Use like for matching app proto.

- Default :: undef
--apN

Invert app proto matching.

- Default :: undef
Rule Options
--gid

GID.

- Default :: undef
- Type :: integer
--sid

SID.

- Default :: undef
- Type :: integer
--rev

Rev.

- Default :: undef
- Type :: integer

ENVIROMENTAL VARIABLES

Lilith_table_color

The LText::ANSITable table color to use.

- Default :: Text::ANSITable::Standard::NoGradation

Lilith_table_border

The LText::ANSITable border type to use.

- Default :: ASCII::None

Lilith_IP_color

Perl boolean for if IPs should be colored or not.

- Default :: 1

Lilith_IP_private_color

ANSI color to use for private IPs.

- Default :: bright_green

Lilith_IP_remote_color

ANSI color to use for remote IPs.

- Default :: bright_yellow

Lilith_IP_local_color

ANSI color to use for local IPs.

- Default :: bright_red

Lilith_timesamp_drop_micro

Perl boolean for if microseconds should be dropped or not.

- Default :: 1

Lilith_instance_color

If the lilith instance colomn info should be colored.

- Default :: 1

Lilith_instance_type_color

Color for the instance name.

- Default :: bright_blue

Lilith_instance_slug_color

Color for the insance slug.

- Default :: bright_magenta

Lilith_instance_loc_color

Color for the insance loc.

- Default :: bright_cyan.