Invalid TCP checksum.

Description

Invalid TCP checksum.

Query · wazuh

field evesubcode="^24$"

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. 44400 FortiNet Rules. anchor level 0
    decoded_as=fortiddos-like
  2. 44401 FortiDDOS Rules. anchor level 0
    field devid="^FI\S+|^FDD\S+"
  3. 44403 Group of layer 4 events. anchor level 0
    field evecode="^2$"
  4. 44434 Invalid TCP checksum. refinement level 5 this rule
    field evesubcode="^24$"

Rule dependencies

Depends on

Raw source Invalid TCP checksum. · Wazuh XML
Esc
Published by Wazuh Core Ruleset ↗, licensed under GPLv2 ↗. Reproduced here unmodified. 
<rule id="44434" level="5">
    <if_sid>44403</if_sid>
    <field name="evesubcode">^24$</field>
    <options>no_full_log</options>
    <description>Invalid TCP checksum.</description>
  </rule>

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