IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
File Deletion via Shred
editFile Deletion via Shred
editMalware or other files dropped or created on a system by an adversary may leave traces behind as to what was done within a network and how. Adversaries may remove these files over the course of an intrusion to keep their footprint low or remove them at the end as part of the post-intrusion cleanup process.
Rule type: query
Rule indices:
- auditbeat-*
- logs-endpoint.events.*
Severity: low
Risk score: 21
Runs every: 5 minutes
Searches indices from: now-9m (Date Math format, see also Additional look-back time
)
Maximum alerts per execution: 100
Tags:
- Elastic
- Host
- Linux
- Threat Detection
- Defense Evasion
Version: 7 (version history)
Added (Elastic Stack release): 7.8.0
Last modified (Elastic Stack release): 7.12.0
Rule authors: Elastic
Rule license: Elastic License v2
Rule query
editevent.category:process and event.type:(start or process_started) and process.name:shred and process.args:("-u" or "--remove" or "-z" or " --zero")
Threat mapping
editFramework: MITRE ATT&CKTM
-
Tactic:
- Name: Defense Evasion
- ID: TA0005
- Reference URL: https://attack.mitre.org/tactics/TA0005/
-
Technique:
- Name: Indicator Removal on Host
- ID: T1070
- Reference URL: https://attack.mitre.org/techniques/T1070/
Rule version history
edit- Version 7 (7.12.0 release)
-
- Formatting only
- Version 6 (7.11.2 release)
-
- Formatting only
- Version 5 (7.11.0 release)
-
- Formatting only
- Version 4 (7.10.0 release)
-
- Formatting only
- Version 3 (7.9.1 release)
-
- Formatting only
- Version 2 (7.9.0 release)
-
-
Updated query, changed from:
event.action:(executed or process_started) and process.name:shred and process.args:("-u" or "--remove" or "-z" or "--zero")
-