Sysmon - Event 15: FileCreateStreamHash by process · win.system.eventID = 15

Description

Sysmon - Event 15: $(win.eventdata.targetFilename) FileCreateStreamHash by process $(win.eventdata.image)

Query · wazuh

field win.system.eventID="^15$"

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. 61617 Sysmon - Event 15: FileCreateStreamHash by process · win.system.eventID = 15 anchor level 0 this rule
    field win.system.eventID="^15$"

Refined by

2 rules chain off this one, narrowing it further.

Rule dependencies

Depends on

Raw source Sysmon - Event 15: FileCreateStreamHash by process · win.system.eventID = 15 · Wazuh XML
Esc
Published by Wazuh Core Ruleset ↗, licensed under GPLv2 ↗. Reproduced here unmodified. 
<rule id="61617" level="0">
    <if_sid>61600</if_sid>
    <field name="win.system.eventID">^15$</field>
    <description>Sysmon - Event 15: $(win.eventdata.targetFilename) FileCreateStreamHash by process $(win.eventdata.image)</description>
    <options>no_full_log</options>
    <group>sysmon_event_15,</group>
  </rule>

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