UnknownMicrosoft Sentinel analytics
StealthTalk - Impossible travel
Identifies a single StealthTalk user authenticating from two different countries within a 30-minute window. Legitimate physical travel between countries cannot occur on that timescale, so this is a strong indicator…
Description
Identifies a single StealthTalk user authenticating from two different countries within a 30-minute window. Legitimate physical travel between countries cannot occur on that timescale, so this is a strong indicator of stolen credentials.
Detection logic
Detection requirements
- Platform
- ContainersESXiIaaSIdentity ProviderLinuxmacOSNetwork DevicesOffice SuiteSaaSWindows
The rule states no platform. This is derived from the ATT&CK technique it maps to.
- Log source product
- stealthtalkanomalousauth
- Log source service
- stealthtalkanomalousauth_cl
MITRE ATT&CK mappings
0 exclusive techniques.This is coverage no other published rule has; it is not this rule's total technique count.
No references are available for this detection.
From the source
- At source
- Open at source
- Upstream identifier
- c1d4e7f2-8b3a-4c6d-9e5f-2a1b3c4d5e6f
- Tagged by the source as
- CredentialAccessInitialAccess
Licence
- Published under
- MIT LicenseRead the licence
- Attribution
- Required
- Obtained under
- MITRead the origin licence
Authorship
- Published
- Sep 1, 2026
- Version
- 1