Suspicious macOS LaunchDaemon Masquerading as Apple System Updater

ATT&CK techniques

Persistence → Defense Evasion

Recon
Resource Dev
Initial Access
Execution
Persistence
- T1543.004Launch Daemon
Priv Esc
- T1543.004Launch Daemon
Defense Evasion
- T1036.005Match Legitimate Resource Name or Location
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact

What it detects

This rule detects creation of a LaunchDaemon named com.apple.system.updater.plist which impersonates an Apple system component as used by UNC1069 for macOS persistence. Attackers register this fake daemon so their payload in Library Caches or Library OSRecovery runs at boot.

Reporting behind it

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Suspicious macOS LaunchDaemon Masquerading as Apple System Updater

Pivot detection · T1036.005 · 9 related

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.

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