Techniques › T1621 › AN0451
AN0451 Analytic 0451
Windows · attack.mitre.org · ATT&CK Enterprise v19.2
<p>Detect repeated failed login events followed by MFA challenges triggered in rapid succession, especially if originating from service accounts or anomalous IP addresses.</p>
- Detects
- T1621 Multi-Factor Authentication Request Generation
- Part of
- DET0160 Detection Strategy for Multi-Factor Authentication Request Generation (T1621)
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 |
|---|---|---|
| WinEventLog:Security | EventCode=4625 | DC0002 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.
| Field | Description |
|---|---|
ServiceAccountExclusion | Exclude specific accounts where automated MFA requests are legitimate |