Disabling Multi Factor Authentication

testhigh
log source: m365 · auditauthor Splunk Threat Research Team (original rule), Harjot Singh @cyb3rjy0t (sigma rule)date 2023-09-18
01

description

What this is, in brief.

Detects disabling of Multi Factor Authentication.

02

tags

attack.persistenceattack.credential-accessattack.defense-impairmentattack.t1556.006
03

rule source (YAML)

title: Disabling Multi Factor Authentication
id: 60de9b57-dc4d-48b9-a6a0-b39e0469f876
status: test
description: Detects disabling of Multi Factor Authentication.
references:
    - https://research.splunk.com/cloud/c783dd98-c703-4252-9e8a-f19d9f5c949e/
author: Splunk Threat Research Team (original rule), Harjot Singh @cyb3rjy0t (sigma rule)
date: 2023-09-18
tags:
    - attack.persistence
    - attack.credential-access
    - attack.defense-impairment
    - attack.t1556.006
logsource:
    service: audit
    product: m365
detection:
    selection:
        Operation|contains: 'Disable Strong Authentication.'
    condition: selection
falsepositives:
    - Unlikely
level: high
04

detects techniques (1)

ATT&CK techniques this enables or maps to.

05

references

External citations — patches, advisories, analysis.