Common web attack.

Description

Common web attack.

Fires when

Wazuh evaluates a chain top-down. Every rule above this one must match on the same event before this rule is tested at all.

  1. 31100 Access log messages grouped. anchor level 0
    Matches no fields of its own.
  2. 31104 Common web attack. anchor level 6 this rule
    Matches no fields of its own.

Refined by

2 rules chain off this one, narrowing it further.

Rule dependencies

Depends on

Rule logic

Matches no fields of its own — an anchor that 2 rules refine. Deploying it alone raises nothing.

Source file
Raw source Common web attack. · Wazuh XML
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Published by Wazuh Core Ruleset ↗, licensed under GPLv2 ↗. Reproduced here unmodified. 
<rule id="31104" level="6">
    <if_sid>31100</if_sid>

    
    <url>%027|%00|%01|%7f|%2E%2E|%0A|%0D|../..|..\..|echo;|</url>
    <url>cmd.exe|root.exe|_mem_bin|msadc|/winnt/|/boot.ini|</url>
    <url>/x90/|default.ida|/sumthin|nsiislog.dll|chmod%|wget%|cd%20|</url>
    <url>exec%20|../..//|%5C../%5C|././././|2e%2e%5c%2e|\x5C\x5C</url>
    <description>Common web attack.</description>
    <mitre>
      <id>T1055</id>
      <id>T1083</id>
      <id>T1190</id>
    </mitre>
    <group>attack,pci_dss_6.5,pci_dss_11.4,pci_dss_6.5.1,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>

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