Authentications To Important Apps Using Single Factor Authentication

Detect when authentications to important application(s) only required single-factor authentication

Sigma rule (View on GitHub)

 1title: Authentications To Important Apps Using Single Factor Authentication
 2id: f272fb46-25f2-422c-b667-45837994980f
 3status: test
 4description: Detect when authentications to important application(s) only required single-factor authentication
 5references:
 6    - https://docs.microsoft.com/en-gb/azure/active-directory/fundamentals/security-operations-user-accounts
 7author: MikeDuddington, '@dudders1'
 8date: 2022/07/28
 9tags:
10    - attack.initial_access
11    - attack.t1078
12logsource:
13    product: azure
14    service: signinlogs
15detection:
16    selection:
17        Status: 'Success'
18        AppId: 'Insert Application ID use OR for multiple'
19        AuthenticationRequirement: 'singleFactorAuthentication'
20    condition: selection
21falsepositives:
22    - If this was approved by System Administrator.
23level: medium

References

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