Access of Stored Browser Credentials
Elastic Stack Serverless Security
Identifies the execution of a process with arguments pointing to known browser files that store passwords and cookies. Adversaries may acquire credentials from web browsers by reading files specific to the target browser.
Rule type: eql
Rule indices:
- auditbeat-*
- logs-endpoint.events.*
Severity: high
Risk score: 73
Runs every: 5m
Searches indices from: now-9m (https://www.elastic.co/guide/en/elasticsearch/reference/current/common-options.html#date-math[Date Math format], see also Additional look-back time)
Maximum alerts per execution: 100
References:
Tags:
- Elastic
- Host
- macOS
- Threat Detection
- Credential Access
Version: 101
Rule authors:
- Elastic
Rule license: Elastic License v2
process where event.type in ("start", "process_started") and
process.args :
(
"/Users/*/Library/Application Support/Google/Chrome/Default/Login Data",
"/Users/*/Library/Application Support/Google/Chrome/Default/Cookies",
"/Users/*/Library/Application Support/Google/Chrome/Profile*/Cookies",
"/Users/*/Library/Cookies*",
"/Users/*/Library/Application Support/Firefox/Profiles/*.default/cookies.sqlite",
"/Users/*/Library/Application Support/Firefox/Profiles/*.default/key*.db",
"/Users/*/Library/Application Support/Firefox/Profiles/*.default/logins.json",
"Login Data",
"Cookies.binarycookies",
"key4.db",
"key3.db",
"logins.json",
"cookies.sqlite"
)
Framework: MITRE ATT&CKTM
Tactic:
- Name: Credential Access
- ID: TA0006
- Reference URL: https://attack.mitre.org/tactics/TA0006/
Technique:
- Name: Steal Web Session Cookie
- ID: T1539
- Reference URL: https://attack.mitre.org/techniques/T1539/
Technique:
- Name: Credentials from Password Stores
- ID: T1555
- Reference URL: https://attack.mitre.org/techniques/T1555/
Sub-technique:
- Name: Credentials from Web Browsers
- ID: T1555.003
- Reference URL: https://attack.mitre.org/techniques/T1555/003/