Possible Task Manager Access Indicator for Potential LSASS Dump (via process_creation)
- Product
- windows
- Category
- process_creation
- Author
- HuntRule
- Published
- 2026-06-30
- Updated
- 2026-08-28
ATT&CK techniques
Cred AccessRecon
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 provides an indicator of a user accessing the task manager in order to eventually dump the LSASS process content using the "Details" tab > right click on "lsass.exe" > Create a dump file.
Reporting behind it
- attack.mitre.orghttps://attack.mitre.org/techniques/T1003/001/
- superuser.comhttps://superuser.com/questions/753556/taskmgr-exe-called-with-an-argument-by-windows-7
- twitter.comhttps://twitter.com/Cyb3rSn0rlax/status/1462900723402817538?t=oMj76JVcPG72ZIlpVxucPw&s=09
- thedfirreport.comhttps://thedfirreport.com/2021/12/13/diavol-ransomware/
- microsoft.comhttps://www.microsoft.com/en-us/security/blog/2022/06/13/the-many-lives-of-blackcat-ransomware/
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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