AWS Credentials Searched For Inside A Containeredit
This rule detects the use of system search utilities like grep and find to search for AWS credentials inside a container. Unauthorized access to these sensitive files could lead to further compromise of the container environment or facilitate a container breakout to the underlying cloud environment.
Rule type: eql
Rule indices:
- logs-cloud_defend*
Severity: medium
Risk score: 47
Runs every: 5m
Searches indices from: now-6m (Date Math format, see also Additional look-back time)
Maximum alerts per execution: 100
References:
Tags:
- Data Source: Elastic Defend for Containers
- Domain: Container
- OS: Linux
- Use Case: Threat Detection
- Tactic: Credential Access
Version: 1
Rule authors:
- Elastic
Rule license: Elastic License v2
Rule queryedit
process where event.module == "cloud_defend" and
event.type == "start" and
/*account for tools that execute utilities as a subprocess, in this case the target utility name will appear as a process arg*/
(process.name : ("grep", "egrep", "fgrep", "find", "locate", "mlocate") or process.args : ("grep", "egrep", "fgrep", "find", "locate", "mlocate")) and
process.args : ("*aws_access_key_id*", "*aws_secret_access_key*", "*aws_session_token*", "*accesskeyid*", "*secretaccesskey*", "*access_key*", "*.aws/credentials*")
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Credential Access
- ID: TA0006
- Reference URL: https://attack.mitre.org/tactics/TA0006/
-
Technique:
- Name: Unsecured Credentials
- ID: T1552
- Reference URL: https://attack.mitre.org/techniques/T1552/
-
Sub-technique:
- Name: Credentials In Files
- ID: T1552.001
- Reference URL: https://attack.mitre.org/techniques/T1552/001/