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[Rebase] Add rules and decoder for filezilla (Branch: 3.13-filezilla)(Issue: #216) #676

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[Rebase] Add rules and decoder for filezilla (Branch: 3.13-filezilla)(Issue: #216) #676

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ef3c48a
Create 0505-filezilla_decoders.xml
eliasgrana Apr 7, 2020
b4ad0cb
Create 0695-filezilla_rules.xml
eliasgrana Apr 7, 2020
e3a1756
Create filezilla.ini
eliasgrana Apr 7, 2020
5c17eaa
compliances_others
May 22, 2020
1787517
fix
May 22, 2020
21aaffb
Update CHANGELOG.md
May 22, 2020
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1 change: 1 addition & 0 deletions CHANGELOG.md
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Expand Up @@ -8,6 +8,7 @@ All notable changes to this project will be documented in this file.
- Added rules and decoders for macOS sshd logs ([#593](https://github.com/wazuh/wazuh-ruleset/pull/593))
- Added TSC/SOC compliance mapping ([#613](https://github.com/wazuh/wazuh-ruleset/pull/613))
- Added rules and decoders for PaloAlto logs ([#658](https://github.com/wazuh/wazuh-ruleset/pull/658))
- Added rules and decoders for firezilla logs ([#676](https://github.com/wazuh/wazuh-ruleset/pull/676))


### Changed
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54 changes: 54 additions & 0 deletions decoders/0515-filezilla_decoders.xml
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<!--
- Filezilla decoders
- Created 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.
-->


<!--
- Pre match for filezilla server for windows
- Examples:
- (000005)3/13/2019 1:30:01 AM -
-->
<decoder name="filezilla">
<prematch>^\(\d+\) \S+ \S+ \w+ - </prematch>
</decoder>

<!--
- Extract ip, id (number) and action
- Examples:
- (000010) 3/13/2019 5:09:45 AM - (not logged in) (10.0.0.1)> 530 Login or password incorrect!
-->
<decoder name="filezilla-not-logged">
<parent>filezilla</parent>
<prematch offset="after_parent">\(not logged in\) \(\S+\)> \.+ </prematch>
<regex offset="after_parent">\(not logged in\) \((\S+)\)> (\S+) (\.+)</regex>
<order>srcip, id, action</order>
</decoder>

<!--
-
- Extract user, ip, id and action
- Examples:
- (000004) 3/13/2019 1:29:52 AM - usuario (10.0.0.1)> 550 Permission denied
-->
<decoder name="filezilla-user-action">
<parent>filezilla</parent>
<prematch offset="after_parent">\S+ \(\S+\)> \S+ \.</prematch>
<regex offset="after_parent">(\S+) \((\S+)\)> (\S+) (\.+)</regex>
<order>srcuser, srcip, id, acction</order>
</decoder>

<!--
-
- Extract user, ip and id
- Examples:
- (000004) 3/13/2019 1:29:52 AM - usuario (10.0.0.1)> 550 Permission denied
-->
<decoder name="filezilla-user-command">
<parent>filezilla</parent>
<prematch offset="after_parent">\S+ \(\S+\)> \S+</prematch>
<regex offset="after_parent">(\S+) \((\S+)\)> (\S+)</regex>
<order>srcuser, srcip, id</order>
</decoder>
125 changes: 125 additions & 0 deletions rules/0710-filezilla_rules.xml
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<!--
- Filezilla rules
- Created 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.
-->

<!-- ID: 67500 - 67549 -->

<group name="windows,windows_filezilla,">

<rule id="67500" level="0">
<decoded_as>filezilla</decoded_as>
<description>Grouping for the filezilla rules.</description>
</rule>

<!--
- Failed login,
- multiple failed login and
- banned temporaly for too many failed logins
-->

<rule id="67501" level="3">
<if_sid>67500</if_sid>
<match>530</match>
<description>Failed login in FTP</description>
<group>authentication_failed,pci_dss_10.2.4,pci_dss_10.2.5,gpg13_7.1,gdpr_IV_35.7.d,gdpr_IV_32.2,hipaa_164.312.b,nist_800_53_AU.14,nist_800_53_AC.7,tsc_CC6.1,tsc_CC6.8,tsc_CC7.2,tsc_CC7.3,</group>
</rule>

<rule id="67502" level="10" frequency="8" timeframe="180">
<if_sid>67500</if_sid>
<if_matched_sid>67501</if_matched_sid>
<description>Multiple failed logins in a small period of time.</description>
<mitre>
<id>T1110</id>
</mitre>
<group>authentication_failures,pci_dss_10.2.4,pci_dss_10.2.5,pci_dss_11.4,gdpr_IV_35.7.d,gdpr_IV_32.2,hipaa_164.312.b,nist_800_53_AU.14,nist_800_53_AC.7,nist_800_53_SI.4,tsc_CC6.1,tsc_CC6.8,tsc_CC7.2,tsc_CC7.3,</group>
</rule>

<rule id="67503" level="10">
<if_sid>67500</if_sid>
<match>421 Temporarily banned for too many failed login attempts</match>
<description>Temporarily banned for too many failed login attempts</description>
<group>authentication_failed,access_denied,pci_dss_10.2.4,pci_dss_10.2.5,gdpr_IV_35.7.d,gdpr_IV_32.2,hipaa_164.312.b,nist_800_53_AU.6,tsc_CC7.2,tsc_CC7.3,</group>
</rule>

<!--
- Action not allowed,
- multiple actions not allowed
-->

<rule id="67504" level="3">
<if_sid>67500</if_sid>
<match>550 Permission denied</match>
<description>Permission denied</description>
</rule>

<rule id="67505" level="3">
<if_sid>67500</if_sid>
<match>550 Can't create directory. Permission denied</match>
<description>Permission denied</description>
<group>pci_dss_10.2.4,gpg13_7.1,gdpr_IV_35.7.d,gdpr_IV_32.2,hipaa_164.312.b,nist_800_53_AU.14,nist_800_53_AC.7,tsc_CC6.1,tsc_CC6.8,tsc_CC7.2,tsc_CC7.3,</group>
</rule>

<rule id="67506" level="10" frequency="10" timeframe="180">
<if_sid>67500</if_sid>
<if_matched_sid>67504</if_matched_sid>
<description>Multiple action not allowed in a small period of time.</description>
<mitre>
<id>T1110</id>
</mitre>
<group>pci_dss_10.2.4,pci_dss_10.2.5,pci_dss_11.4,pci_dss_8.1.5,gdpr_IV_35.7.d,gdpr_IV_32.2,hipaa_164.312.b,hipaa_164.312.a.1,nist_800_53_AU.14,nist_800_53_AC.7,nist_800_53_SI.4,nist_800_53_AC.2,tsc_CC6.1,tsc_CC6.8,tsc_CC7.2,tsc_CC7.3,</group>
</rule>

<!--
- IP not allowed to connect to the user
-->

<rule id="67507" level="3">
<if_sid>67500</if_sid>
<match>521</match>
<description>This user is not allowed to connect from this IP</description>
<group>access_denied,pci_dss_10.2.4,pci_dss_10.2.5,gdpr_IV_35.7.d,gdpr_IV_32.2,hipaa_164.312.b,nist_800_53_AU.6,tsc_CC7.2,tsc_CC7.3,</group>
</rule>

<!--
- Directory created,
- file transferred
-->

<rule id="67508" level="0">
<if_sid>67500</if_sid>
<match>MKD</match>
<description>Directory created via FTP</description>
</rule>

<rule id="67509" level="0">
<if_sid>67500</if_sid>
<match>226 Successfully transferred</match>
<description>File transferred via FTP</description>
</rule>

<!--
- Logged on,
- timed out
-->

<rule id="67512" level="0">
<if_sid>67500</if_sid>
<match>230 Logged on</match>
<description>Logged on via FTP</description>
<mitre>
<id>T1078</id>
</mitre>
<group>authentication_success,pci_dss_10.2.5,gpg13_7.1,gpg13_7.2,gdpr_IV_32.2,hipaa_164.312.b,nist_800_53_AU.14,nist_800_53_AC.7,tsc_CC6.8,tsc_CC7.2,tsc_CC7.3,</group>
</rule>

<rule id="67513" level="0">
<if_sid>67500</if_sid>
<match>421 Connection timed out</match>
<description>User disconnected due to time out.</description>
<group>pci_dss_8.1.5,gdpr_IV_35.7.d,hipaa_164.312.a.1,nist_800_53_AC.2,tsc_CC6.1,</group>
</rule>

</group>
14 changes: 14 additions & 0 deletions tools/rules-testing/tests/filezilla.ini
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[Filezilla: Failed login]

log 1 pass = (000010) 3/13/2019 5:09:45 AM - (not logged in) (10.0.0.1)> 530 Login or password incorrect!
rule = 67501
alert = 3
decoder = filezilla

[Filezilla: Permission denied]

log 1 pass = (000004) 3/13/2019 1:29:52 AM - usuario (10.0.0.1)> 550 Permission denied
log 2 pass = (000004) 3/13/2019 1:29:52 AM - usuario (10.0.0.1)> 550 Permission denied
rule = 67504
alert = 3
decoder = filezilla