Mika Ayenson
54 lines
1.8 KiB
TOML
54 lines
1.8 KiB
TOML
[metadata]
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creation_date = "2021/01/21"
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maturity = "production"
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updated_date = "2022/07/26"
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[rule]
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author = ["Elastic"]
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description = """
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Identifies the creation or modification of the login window property list (plist). Adversaries may modify plist files to
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run a program during system boot or user login for persistence.
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"""
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from = "now-9m"
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index = ["auditbeat-*", "logs-endpoint.events.*"]
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language = "kuery"
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license = "Elastic License v2"
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name = "Potential Persistence via Login Hook"
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note = """## Triage and analysis
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Starting in Mac OS X 10.7 (Lion), users can specify certain applications to be re-opened when a user reboots their machine. This can be abused to establish or maintain persistence on a compromised system."""
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references = ["https://github.com/D00MFist/PersistentJXA/blob/master/LoginScript.js"]
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risk_score = 47
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rule_id = "ac412404-57a5-476f-858f-4e8fbb4f48d8"
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severity = "medium"
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tags = ["Elastic", "Host", "macOS", "Threat Detection", "Persistence"]
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timestamp_override = "event.ingested"
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type = "query"
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query = '''
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event.category:"file" and not event.type:"deletion" and
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file.name:"com.apple.loginwindow.plist" and
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process.name:(* and not (systemmigrationd or DesktopServicesHelper or diskmanagementd or rsync or launchd or cfprefsd or xpcproxy or ManagedClient or MCXCompositor or backupd or "iMazing Profile Editor"
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))
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'''
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[[rule.threat]]
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framework = "MITRE ATT&CK"
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[[rule.threat.technique]]
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id = "T1547"
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name = "Boot or Logon Autostart Execution"
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reference = "https://attack.mitre.org/techniques/T1547/"
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[[rule.threat.technique.subtechnique]]
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id = "T1547.011"
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name = "Plist Modification"
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reference = "https://attack.mitre.org/techniques/T1547/011/"
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[rule.threat.tactic]
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id = "TA0003"
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name = "Persistence"
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reference = "https://attack.mitre.org/tactics/TA0003/"
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