Web Browsers Password Access via Command Line

[rule]
description = """
Adversaries may collect keychain storage data from a system to in order to acquire credentials. Keychains are the
built-in way for macOS to keep track of users' passwords and credentials for many services and features, including Wi-Fi
and website passwords, secure notes, certificates, and Kerberos.
"""
id = "77d71ede-3025-4c71-bb99-ada7c344bf89"
license = "Elastic License v2"
name = "Web Browsers Password Access via Command Line"
os_list = ["macos"]
reference = [
    "https://www.netmeister.org/blog/keychain-passwords.html",
    "https://github.com/priyankchheda/chrome_password_grabber/blob/master/chrome.py",
    "https://ss64.com/osx/security.html",
    "https://www.intezer.com/blog/research/operation-electrorat-attacker-creates-fake-companies-to-drain-your-crypto-wallets/",
]
version = "1.0.29"

query = '''
process where event.action == "exec" and
 process.name == "security" and
 process.args like ("-wa", "-ga") and process.args like~ ("find-generic-password", "find-internet-password") and
 process.command_line like~ ("*Chrome*", "*Chromium*", "*Opera*", "*Safari*", "*Brave*", "*Microsoft Edge*", "*Firefox*") and
 not process.parent.executable like~ "/Applications/Keeper Password Manager.app/Contents/Frameworks/Keeper Password Manager Helper*/Contents/MacOS/Keeper Password Manager Helper*"
'''

min_endpoint_version = "8.10.2"
optional_actions = []
[[actions]]
action = "kill_process"
field = "process.entity_id"
state = 0

[[threat]]
framework = "MITRE ATT&CK"
[[threat.technique]]
id = "T1555"
name = "Credentials from Password Stores"
reference = "https://attack.mitre.org/techniques/T1555/"
[[threat.technique.subtechnique]]
id = "T1555.003"
name = "Credentials from Web Browsers"
reference = "https://attack.mitre.org/techniques/T1555/003/"



[threat.tactic]
id = "TA0006"
name = "Credential Access"
reference = "https://attack.mitre.org/tactics/TA0006/"

[internal]
min_endpoint_version = "8.10.2"