Sign-In From Malware Infected IP

Title: Sign-In From Malware Infected IP
Status: test
Description:Indicates sign-ins from IP addresses infected with malware that is known to actively communicate with a bot server.
References:
  -https://learn.microsoft.com/en-us/entra/id-protection/concept-identity-protection-risks#malware-linked-ip-address-deprecated
  -https://learn.microsoft.com/en-us/entra/architecture/security-operations-user-accounts#unusual-sign-ins
Author: Mark Morowczynski '@markmorow', Gloria Lee, '@gleeiamglo'
Date: 2023-09-03
modified:None
Tags:

• -'attack.t1090'
• -'attack.command-and-control'

Logsource:

• product: azure
• service: riskdetection

Detection:
  selection:
    riskEventType: 'malwareInfectedIPAddress'
  condition:selection
Falsepositives:
  -Using an IP address that is shared by many users
Level: high