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Potential Protocol Tunneling via EarthWormedit
Identifies the execution of the EarthWorm tunneler. Adversaries may tunnel network communications to and from a victim system within a separate protocol to avoid detection and network filtering, or to enable access to otherwise unreachable systems.
Rule type: eql
Rule indices:
- auditbeat-*
- logs-endpoint.events.*
Severity: medium
Risk score: 47
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
- Threat Detection
- Command and Control
Version: 100 (version history)
Added (Elastic Stack release): 7.13.0
Last modified (Elastic Stack release): 8.5.0
Rule authors: Elastic
Rule license: Elastic License v2
Investigation guideedit
Rule queryedit
process where event.type == "start" and process.args : "-s" and process.args : "-d" and process.args : "rssocks"
Threat mappingedit
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Command and Control
- ID: TA0011
- Reference URL: https://attack.mitre.org/tactics/TA0011/
-
Technique:
- Name: Protocol Tunneling
- ID: T1572
- Reference URL: https://attack.mitre.org/techniques/T1572/
Rule version historyedit
- Version 100 (8.5.0 release)
-
- Formatting only
- Version 4 (8.4.0 release)
-
- Formatting only
- Version 2 (8.2.0 release)
-
- Formatting only