Suspicious Detection of Default a Windows Host Name in Login Attempts (via security)
- Product
- windows
- Service
- security
- Author
- HuntRule
- Published
- 2026-05-08
- Updated
- 2026-08-28
ATT&CK techniques
Defense EvasionRecon
Resource Dev
Initial Access
Execution
Persistence
Priv Esc
Defense Evasion
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact
What it detects
This rule detects scenarios where a default Windows host name pattern (WIN-...) is detected during a login attempt. Having a host with a default name may be an indicator of a fresh machine deployed by an attacker to evade detection and perform malicious activities.
Reporting behind it
- attack.mitre.orghttps://attack.mitre.org/techniques/T1564/006/
- cybercx.com.auhttps://cybercx.com.au/blog/akira-ransomware/
- techtarget.comhttps://www.techtarget.com/searchenterprisedesktop/blog/Windows-Enterprise-Desktop/Win10-ComputerName-Generation
- ultimatewindowssecurity.comhttps://www.ultimatewindowssecurity.com/securitylog/encyclopedia/event.aspx?eventID=4624
- ultimatewindowssecurity.comhttps://www.ultimatewindowssecurity.com/securitylog/encyclopedia/event.aspx?eventID=4625
Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.
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