Sensitive Files Compression Inside A Container
editSensitive Files Compression Inside A Container
editIdentifies the use of a compression utility to collect known files containing sensitive information, such as credentials and system configurations inside a container.
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: None
Tags:
- Data Source: Elastic Defend for Containers
- Domain: Container
- OS: Linux
- Use Case: Threat Detection
- Tactic: Collection
- Tactic: Credential Access
Version: 2
Rule authors:
- Elastic
Rule license: Elastic License v2
Rule query
editprocess where container.id: "*" 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: ("zip", "tar", "gzip", "hdiutil", "7z") or process.args: ("zip", "tar", "gzip", "hdiutil", "7z"))
and process.args: (
"/root/.ssh/id_rsa",
"/root/.ssh/id_rsa.pub",
"/root/.ssh/id_ed25519",
"/root/.ssh/id_ed25519.pub",
"/root/.ssh/authorized_keys",
"/root/.ssh/authorized_keys2",
"/root/.ssh/known_hosts",
"/root/.bash_history",
"/etc/hosts",
"/home/*/.ssh/id_rsa",
"/home/*/.ssh/id_rsa.pub",
"/home/*/.ssh/id_ed25519",
"/home/*/.ssh/id_ed25519.pub",
"/home/*/.ssh/authorized_keys",
"/home/*/.ssh/authorized_keys2",
"/home/*/.ssh/known_hosts",
"/home/*/.bash_history",
"/root/.aws/credentials",
"/root/.aws/config",
"/home/*/.aws/credentials",
"/home/*/.aws/config",
"/root/.docker/config.json",
"/home/*/.docker/config.json",
"/etc/group",
"/etc/passwd",
"/etc/shadow",
"/etc/gshadow")
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/
-
Tactic:
- Name: Collection
- ID: TA0009
- Reference URL: https://attack.mitre.org/tactics/TA0009/
-
Technique:
- Name: Archive Collected Data
- ID: T1560
- Reference URL: https://attack.mitre.org/techniques/T1560/
-
Sub-technique:
- Name: Archive via Utility
- ID: T1560.001
- Reference URL: https://attack.mitre.org/techniques/T1560/001/