Techniques › T1199 › AN1350
AN1350 Analytic 1350
Office Suite · attack.mitre.org · ATT&CK Enterprise v19.2
<p>Behavioral chain: (1) delegated administration offers/relationships created or modified by partner tenants; (2) mailbox delegation/impersonation enabled; (3) follow-on access from partner IPs.</p>
- Detects
- T1199 Trusted Relationship
- Part of
- DET0488 Detect abuse of Trusted Relationships (third-party and delegated admin access)
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 | Add-DelegatedAdmin, Set-PartnerOfRecord, Add-MailboxPermission, Set-OrganizationRelationship | DC0038 Application Log Content |
| azure:signinlogs | InteractiveUser, NonInteractiveUser | DC0067 Logon Session Creation |
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 |
|---|---|
MailboxDelegateAllowList | Specific mailboxes third-parties may manage. |
KEV CVEs whose mapped technique this analytic detects
| CVE | Vendor / product | State |
|---|---|---|
| CVE-2024-53704 | SonicWall SonicOS | Mapped |