kevmap

TechniquesT1550 › AN0959

AN0959 Analytic 0959

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

<p>Access token reuse to connect to SharePoint or Outlook APIs without interactive user context.</p>
Detects
T1550 Use Alternate Authentication Material
Part of
DET0338 Behavioral Detection Strategy for Use Alternate Authentication Material (T1550)

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:unifiedTokenIssued, FileAccessedDC0007 Web Credential Usage

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
UserAgentCheckTune to detect access from CLI agents or scripts rather than interactive browsers