In-Memory Security Package (SSP) Added - Reg via Command (via process_creation)
- Product
- windows
- Category
- process_creation
- Author
- HuntRule
- Published
- 2026-08-31
- Updated
- 2026-08-31
ATT&CK techniques
Persistence → Priv EscRecon
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 adds a reference in the registry to a malicious SSP (Security Support Provider). Note that this rule will not work with "in memory" SSP injection (Mimikatz).
Reporting behind it
- attack.mitre.orghttps://attack.mitre.org/techniques/T1547/008/
- twitter.comhttps://twitter.com/JohnLaTwC/status/1417106953881497602?s=09
- blog.xpnsec.comhttps://blog.xpnsec.com/exploring-mimikatz-part-2/
- docs.microsoft.comhttps://docs.microsoft.com/en-us/windows/security/threat-protection/auditing/event-4622
- docs.microsoft.comhttps://docs.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2012-R2-and-2012/dn408187(v=ws.11)?redirectedfrom=MSDN
- pentestlab.bloghttps://pentestlab.blog/2019/10/21/persistence-security-support-provider/
- ired.teamhttps://www.ired.team/offensive-security/credential-access-and-credential-dumping/intercepting-logon-credentials-via-custom-security-support-provider-and-authentication-package
- securityintelligence.comhttps://securityintelligence.com/posts/hunting-evidence-dll-side-loading-powershell-sysmon/
- medium.comhttps://medium.com/threatpunter/detecting-adversary-tradecraft-with-image-load-event-logging-and-eql-8de93338c16
- github.comhttps://github.com/S1ckB0y1337/Active-Directory-Exploitation-Cheat-Sheet#custom-ssp
- sentinelone.comhttps://www.sentinelone.com/blog/how-attackers-exploit-security-support-provider-ssp-for-credential-dumping/
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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