Techniques › T1564.008 › AN0554
AN0554 Analytic 0554
Office Suite · attack.mitre.org · ATT&CK Enterprise v19.2
<p>Suspicious rule creation within Outlook or Exchange clients, including auto-move or delete conditions tied to incident or security alert keywords. Defender perspective: correlation between missing inbound emails and newly added mailbox rules.</p>
- Detects
- T1564.008 Email Hiding Rules
- Part of
- DET0192 Detection Strategy for Email Hiding Rules
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 source | Channel | Data component |
|---|---|---|
| m365:unified | Transport rule or inbox rule creation events | DC0038 Application Log Content |
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.
| Field | Description |
|---|---|
RuleScope | Decide whether to monitor individual mailbox rules, org-wide transport rules, or both. |