kevmap

TechniquesT1124 › AN0432

AN0432 Analytic 0432

macOS · attack.mitre.org · ATT&CK Enterprise v19.2

<p>Process/script execution of systemsetup -gettimezone, date, ioreg, or API usage (timeIntervalSinceNow, gettimeofday) followed by time-based scheduling (launchd plist modification) or sleep-based execution.</p>
Detects
T1124 System Time Discovery
Part of
DET0151 Behavior-chain, platform-aware detection strategy for T1124 System Time Discovery

Log sources and channels

Exactly as MITRE states them in x_mitre_log_source_references. Where a channel is vague, it is vague in the source; kevmap does not tidy it.

Log sourceChannelData component
macos:unifiedlogprocess exec events of systemsetup, date, ioreg with command_line parameters indicating time discoveryDC0032 Process Creation
macos:unifiedlogNew/modified launchd plist (persistence/scheduling) within TimeWindow after time queryDC0005 Scheduled Job Metadata

Mutable elements

Parameters MITRE marks as environment-specific. These are the knobs you are expected to tune; they are why an analytic is not a rule.

FieldDescription
LaunchdPathsOrganization-specific list of allowed launchd write locations to filter benign agents.
TimeWindowCorrelation window to link time discovery to launchd persistence/scheduling.
AllowedCallersKnown management agents (e.g., JAMF) that legitimately call systemsetup/date.