Detection rules › Sigma

Potential Persistence Via Logon Scripts - Registry

Severity
medium
Author
Tom Ueltschi (@c_APT_ure)
Source
upstream

Detects creation of "UserInitMprLogonScript" registry value which can be used as a persistence method by malicious actors

MITRE ATT&CK coverage

TacticTechniques
PersistenceT1037.001 Boot or Logon Initialization Scripts: Logon Script (Windows)
Privilege EscalationT1037.001 Boot or Logon Initialization Scripts: Logon Script (Windows)

Event coverage

ProviderEvent IDTitle
Sysmon13RegistryEvent (Value Set)

Stages and Predicates

Stage 1: selection

TargetObject|contains: UserInitMprLogonScript

Indicators

Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.

FieldKindValues
TargetObjectmatch
  • UserInitMprLogonScript