kevmap

TechniquesT1110.004 › AN1269

AN1269 Analytic 1269

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

<p>Use of leaked credential pairs against Outlook Web Access (OWA), Microsoft 365, or Exchange from a single client IP with multiple failures</p>
Detects
T1110.004 Credential Stuffing
Part of
DET0460 Credential Stuffing Detection via Reused Breached Credentials Across Services

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:exchangeLogon failureDC0002 User Account Authentication

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
PasswordSourceMatchOptional: cross-reference to haveibeenpwned or internal credential dumps
MailboxLoginThresholdTunable value for how many unique mailbox attempts trigger alert