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[Rebase] Add Cowrie rules (Branch: 3.12-rebase-old-PRs) (Issue: #601) #603

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[Rebase] Add Cowrie rules (Branch: 3.12-rebase-old-PRs) (Issue: #601) #603

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dadbe34
Create 0685-cowrie_rules.xml
eliasgrana Apr 7, 2020
a3c42c5
Create cowrie_rules.ini
eliasgrana Apr 7, 2020
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47 changes: 47 additions & 0 deletions rules/0685-cowrie_rules.xml
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Original file line number Diff line number Diff line change
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<!--
- Cowrie rules
- Author: Meo Shen.
- Updated by Wazuh Inc.
- Copyright (C) 2015-2020, Wazuh Inc.
- This program is a free software; you can redistribute it and/or modify it under the terms of GPLv2.
-->

<group name="cowrie,">


<rule id="90000" level="0" >
<decoded_as>json</decoded_as>
<field name="eventid">^cowrie</field>
<description>cowrie messages grouped.</description>
</rule>

<rule id="90005" level="3">
<if_sid>90000</if_sid>
<match>cowrie.login.failed</match>
<description>cowrie login failed</description>
<group>cowrie,</group>
</rule>

<rule id="90010" level="3">
<if_sid>90000</if_sid>
<match>cowrie.login.success</match>
<description>cowrie login success</description>
<group>cowrie,</group>
</rule>

<rule id="90015" level="5">
<if_sid>90000</if_sid>
<match>cowrie.command.input</match>
<description>cowrie command input</description>
<group>cowrie,</group>
</rule>

<rule id="90020" level="3">
<if_sid>90000</if_sid>
<match>cowrie.client.version</match>
<description>cowrie client version</description>
<group>cowrie,</group>
</rule>


</group>
30 changes: 30 additions & 0 deletions tools/rules-testing/tests/cowrie_rules.ini
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[Cowrie login failed]

log 1 pass = {"eventid": "cowrie.login.failed", "username": "raspberry", "timestamp": "2018-09-05T13:52:42.584350Z", "message": "login attempt [raspberry/admin] failed", "src_ip": "193.201.224.214", "session": "5d77535d8ac4", "password": "admin", "sensor": "honeypot-ssh"}

rule = 90005
alert = 3
decoder = json

[Cowrie login succes]

log 1 pass = {"eventid": "cowrie.login.success", "username": "root", "timestamp": "2018-09-05T14:24:20.903909Z", "message": "login attempt [root/] succeeded", "src_ip": "222.112.82.68", "session": "d051258efd62", "password": "", "sensor": "honeypot-ssh"}

rule = 90010
alert = 3
decoder = json

[Cowrie command input]

log 1 pass = {"eventid": "cowrie.command.input", "timestamp": "2018-09-05T13:56:32.039222Z", "message": "CMD: ll", "src_ip": "116.227.2.205", "session": "61e431803b56", "input": "ll", "sensor": "honeypot-ssh"}
rule = 90015
alert = 5
decoder = json

[Cowrie client version]

log 1 pass = {"eventid": "cowrie.client.version", "session": "dd98054a9b17", "timestamp": "2018-09-12T14:18:40.226440Z", "message": "Remote SSH version: 'SSH-2.0-OpenSSH_7.3'", "src_ip": "5.188.86.198", "version": "'SSH-2.0-OpenSSH_7.3'", "sensor": "honeypot-ssh"}

rule = 90020
alert = 3
decoder = json