Cmd.exe executed from non-standard directory, may be related to link execution from mounted ISO file

Description

Cmd.exe executed from non-standard directory, may be related to link execution from mounted ISO file

Query · wazuh

field win.eventdata.currentDirectory="E:\\" AND field win.eventdata.commandLine="cmd\.exe"

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. 60000 Group of windows rules. anchor level 0
    decoded_as=windows_eventchannel AND field win.system.providerName="\.+"
  2. 60004 Group of Windows rules for the sysmon channel. anchor level 0
    field win.system.channel="^Microsoft-Windows-Sysmon/Operational$"
  3. 61600 Windows Sysmon informational event anchor level 0
    field win.system.severityValue="^INFORMATION$"
  4. 61603 Sysmon - Event 1: Process creation · win.system.eventID = 1 anchor level 0
    field win.system.eventID="^1$"
  5. 92078 Cmd.exe executed from non-standard directory, may be related to link execution from mounted ISO file anchor level 10 this rule
    field win.eventdata.currentDirectory="E:\\" AND field win.eventdata.commandLine="cmd\.exe"

Refined by

1 rule chains off this one, narrowing it further.

Rule dependencies

Depends on

Raw source Cmd.exe executed from non-standard directory, may be related to link execution from mounted ISO file · Wazuh XML
Esc
Published by Wazuh Core Ruleset ↗, licensed under GPLv2 ↗. Reproduced here unmodified. 
<rule id="92078" level="10">
    <if_sid>61603</if_sid>
    <field name="win.eventdata.currentDirectory">E:\\</field>
    <field name="win.eventdata.commandLine">cmd\.exe</field>
    <options>no_full_log</options>
    <description>Cmd.exe executed from non-standard directory, may be related to link execution from mounted ISO file</description>
    <mitre>
      <id>T1204.002</id>
    </mitre>
  </rule>

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