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Potential Microsoft Office Sandbox Evasionedit
Identifies the creation of a suspicious zip file prepended with special characters. Sandboxed Microsoft Office applications on macOS are allowed to write files that start with special characters, which can be combined with an AutoStart location to achieve sandbox evasion.
Rule type: query
Rule indices:
- auditbeat-*
- logs-endpoint.events.*
Severity: high
Risk score: 73
Runs every: 5 minutes
Searches indices from: now-9m (Date Math format, see also Additional look-back time)
Maximum alerts per execution: 100
References:
Tags:
- Elastic
- Host
- macOS
- Threat Detection
- Defense Evasion
Version: 100 (version history)
Added (Elastic Stack release): 7.12.0
Last modified (Elastic Stack release): 8.5.0
Rule authors: Elastic
Rule license: Elastic License v2
Rule queryedit
event.category:file and not event.type:deletion and file.name:~$*.zip and host.os.type:macos
Threat mappingedit
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Defense Evasion
- ID: TA0005
- Reference URL: https://attack.mitre.org/tactics/TA0005/
-
Technique:
- Name: Virtualization/Sandbox Evasion
- ID: T1497
- Reference URL: https://attack.mitre.org/techniques/T1497/
Rule version historyedit
- Version 100 (8.5.0 release)
-
- Formatting only
- Version 3 (8.4.0 release)
-
-
Updated query, changed from:
event.category:file and not event.type:deletion and file.name:~$*.zip
-