kevmap

TechniquesT1053.003 › AN0806

AN0806 Analytic 0806

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

<p>Detects crontab job additions or modifications via crontab utility or direct edits, especially those created by interactive users executing hidden or renamed scripts.</p>
Detects
T1053.003 Cron
Part of
DET0290 Cross-Platform Detection of Cron Job Abuse for Persistence and Execution

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: crontab edits, launch of cron jobDC0001 Scheduled Job Creation
fs:fsusagefile access to /usr/lib/cron/tabs/ and cron output filesDC0061 File Modification

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
ScriptPathMatch scheduled binary path to trusted directory baseline.
CronScheduleSyntaxFlags excessive frequency or wildcard-heavy cron expressions.
InteractiveUserContextLimit cron job writes from interactive shells.