Mark Morowczynski
22 lines
672 B
YAML
22 lines
672 B
YAML
title: Increased Failed Authentications Of Any Type
|
|
id: e1d02b53-c03c-4948-b11d-4d00cca49d03
|
|
status: experimental
|
|
description: Detects when sign-ins increased by 10% or greater.
|
|
author: Mark Morowczynski '@markmorow', MikeDuddington, '@dudders1'
|
|
date: 2022/08/11
|
|
references:
|
|
- https://docs.microsoft.com/en-us/azure/active-directory/fundamentals/security-operations-user-accounts#monitoring-for-failed-unusual-sign-ins
|
|
logsource:
|
|
product: azure
|
|
service: signinlogs
|
|
detection:
|
|
selection:
|
|
Status: failure
|
|
Count: "<10%"
|
|
condition: selection
|
|
falsepositives:
|
|
- Unlikely
|
|
tags:
|
|
- attack.valid_accounts
|
|
- attack.t1078
|
|
level: medium |