An executable created a file in a Windows folder · win.eventdata.image = (?i)(accesschk|calc|hex2dec)\.exe, win.eventdata.targetFilename = (?i)Windows\\\\(SysWOW64|Temp|System32|System)

Description

An executable $(win.eventdata.image) created a file in a Windows folder

Query · wazuh

field win.eventdata.image="(?i)(accesschk|calc|hex2dec)\.exe" AND field win.eventdata.targetFilename="(?i)Windows\\\\(SysWOW64|Temp|System32|System)"

Rule dependencies

Depends on

  • composes · Wazuh if_group sysmon_event_11
    21 rules in this analytic story
Raw source An executable created a file in a Windows folder · win.eventdata.image = (?i)(accesschk|calc|hex2dec)\.exe, win.eventdata.targetFilename = (?i)Windows\\\\(SysWOW64|Temp|System32|System) · Wazuh XML
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Published by Wazuh Core Ruleset ↗, licensed under GPLv2 ↗. Reproduced here unmodified. 
<rule id="92222" level="3">
    <if_group>sysmon_event_11</if_group>
    <field name="win.eventdata.image" type="pcre2">(?i)(accesschk|calc|hex2dec)\.exe</field>
    <field name="win.eventdata.targetFilename" type="pcre2">(?i)Windows\\\\(SysWOW64|Temp|System32|System)</field>
    <options>no_full_log</options>
    <description>An executable $(win.eventdata.image) created a file in a Windows folder</description>
    <mitre>
      <id>T1036</id>
    </mitre>
  </rule>

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