Malicious IP Address Sign-In Suspicious
Indicates sign-in from a malicious IP address known to be malicious at time of sign-in.
Detection logic
Detection requirements
- Platform
- ESXiLinuxmacOSNetwork DevicesWindows
The rule states no platform. This is derived from the ATT&CK technique it maps to.
- Log source product
- azure
- Log source service
- riskdetection
Known benign triggers
- We recommend investigating the sessions flagged by this detection in the context of other sign-ins from the user.
MITRE ATT&CK mappings
0 exclusive techniques.This is coverage no other published rule has; it is not this rule's total technique count.
References
| Reference | Cited by |
|---|---|
| learn.microsoft.com/en-us/entra/architecture/security-operations-user-accounts#unusual-sign-ins | 19 |
| learn.microsoft.com/en-us/entra/id-protection/concept-identity-protection-risks#malicious-ip-address | 22from 2 sources |
From the source
- At source
- Open at source
- Upstream identifier
- 36440e1c-5c22-467a-889b-593e66498472
- Tagged by the source as
- attack.command-and-control
Licence
- Published under
- Detection Rule License 1.1Read the licence
- Attribution
- Required
Authorship
- Published
- Aug 26, 2026
- Version
- 1