kevmap

TechniquesT1685.002 › AN0803

AN0803 Analytic 0803

Office Suite · attack.mitre.org · ATT&CK Enterprise v19.2

<p>Disabling mailbox or tenant-level audit logging, often using Set-MailboxAuditBypassAssociation or downgrading license tiers. Defender view: sudden absence of mailbox activity logging for monitored users.</p>
Detects
T1685.002 Disable or Modify Cloud Log
Part of
DET0289 Detection Strategy for Disable or Modify Cloud Log

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
m365:unifiedSet-MailboxAuditBypassAssociation or disabling Advanced AuditingDC0010 User Account 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
UserScopeTune alerts for users where mailbox auditing should always remain enabled.