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EggShell Backdoor Executionedit
Identifies the execution of and EggShell Backdoor. EggShell is a known post exploitation tool for macOS and Linux.
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
- Linux
- macOS
- Threat Detection
- Execution
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:process and event.type:(start or process_started) and process.name:espl and process.args:eyJkZWJ1ZyI6*
Threat mappingedit
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Execution
- ID: TA0002
- Reference URL: https://attack.mitre.org/tactics/TA0002/
-
Technique:
- Name: Command and Scripting Interpreter
- ID: T1059
- Reference URL: https://attack.mitre.org/techniques/T1059/
Rule version historyedit
- Version 100 (8.5.0 release)
-
- Formatting only
- Version 3 (8.4.0 release)
-
- Formatting only