Detection rules › Sigma

Enable Local Manifest Installation With Winget

Severity
medium
Author
Nasreddine Bencherchali (Nextron Systems)
Source
upstream

Detects changes to the AppInstaller (winget) policy. Specifically the activation of the local manifest installation, which allows a user to install new packages via custom manifests.

Event coverage

ProviderEvent IDTitle
Sysmon13RegistryEvent (Value Set)

Stages and Predicates

Stage 1: selection

Details: 'DWORD (0x00000001)'
TargetObject|endswith: '\AppInstaller\EnableLocalManifestFiles'

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
Detailseq
  • DWORD (0x00000001) corpus 37 (sigma 37)
TargetObjectends_with
  • \AppInstaller\EnableLocalManifestFiles