AWS Execution via System Manager
editAWS Execution via System Manager
editIdentifies the execution of commands and scripts via System Manager. Execution methods such as RunShellScript, RunPowerShellScript, and alike can be abused by an authenticated attacker to install a backdoor or to interact with a compromised instance via reverse-shell using system only commands.
Rule type: query
Rule indices:
- filebeat-*
- logs-aws*
Severity: low
Risk score: 21
Runs every: 10 minutes
Searches indices from: now-60m (Date Math format, see also Additional look-back time)
Maximum alerts per execution: 100
References:
Tags:
- Elastic
- Cloud
- AWS
- Continuous Monitoring
- SecOps
- Log Auditing
Version: 2 (version history)
Added (Elastic Stack release): 7.9.0
Last modified (Elastic Stack release): 7.10.0
Rule authors: Elastic
Rule license: Elastic License
Potential false positives
editVerify whether the user identity, user agent, and/or hostname should be making changes in your environment. Suspicious commands from unfamiliar users or hosts should be investigated. If a known behavior is causing false positives, it can be excluded from the rule.
Investigation guide
editThe AWS Filebeat module must be enabled to use this rule.
Rule query
editevent.dataset:aws.cloudtrail and event.provider:ssm.amazonaws.com and event.action:SendCommand and event.outcome:success
Threat mapping
editFramework: MITRE ATT&CKTM
-
Tactic:
- Name: Execution
- ID: TA0002
- Reference URL: https://attack.mitre.org/tactics/TA0002/
-
Technique:
- Name: Scripting
- ID: T1064
- Reference URL: https://attack.mitre.org/techniques/T1064/
-
Tactic:
- Name: Execution
- ID: TA0002
- Reference URL: https://attack.mitre.org/tactics/TA0002/
-
Technique:
- Name: PowerShell
- ID: T1086
- Reference URL: https://attack.mitre.org/techniques/T1086/
Rule version history
edit- Version 2 (7.10.0 release)
-
-
Updated query, changed from:
event.module:aws and event.dataset:aws.cloudtrail and event.provider:ssm.amazonaws.com and event.action:SendCommand and event.outcome:success
-