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Updating wazuh custom rules pr devel 2.x #2483

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Updating wazuh custom rules pr devel 2.x #2483

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5ec759b
Merge pull request #2480 from codeenigma/Updatng-permissions-and-addi…
drazenCE May 5, 2025
6dcdddc
Updating-wazuh-custom-rules
drazenCE May 5, 2025
bb27958
Merge branch 'Updating-wazuh-custom-rules' into Updating-wazuh-custom…
drazenCE May 5, 2025
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24 changes: 10 additions & 14 deletions roles/debian/wazuh/files/custom_wazuh_rules.xml
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Original file line number Diff line number Diff line change
@@ -1,18 +1,14 @@
<!-- Local rules -->
<group name="local,">
<!-- Rule to detect a single 401 error -->
<rule id="100100" level="5">
<description>HTTP 401 response code</description>
<decoded_as>web-accesslog</decoded_as>
<match>" 401 </match>
</rule>

<!-- Frequency rule to detect multiple 401 errors -->
<rule id="100101" level="10" frequency="200" timeframe="3600">
<if_matched_sid>100100</if_matched_sid>
<!-- Custom rules -->
<group name="web,accesslog">
<rule id="31151" level="10" frequency="200" timeframe="3600" overwrite="yes">
<if_matched_sid>31101</if_matched_sid>
<same_source_ip />
<description>Multiple 401 errors from same source IP (possible brute force attempt)</description>
<options>no_full_log</options>
<description>Multiple web server 400 error codes</description>
<description>from the same source IP.</description>
<mitre>
<id>T1595.002</id>
</mitre>
<group>web_scan,recon,pci_dss_6.5,pci_dss_11.4,gdpr_IV_35.7.d,nist_800_53_SA.11,nist_800_53_SI.4,tsc_CC6.6,tsc_CC7.1,tsc_CC8.1,tsc_CC6.1,tsc_CC6.8,tsc_CC7.2,tsc_CC7.3,</group>
</rule>
</group>

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