Detection rules › Sigma

New PortProxy Registry Entry Added

Severity
medium
Author
Andreas Hunkeler (@Karneades)
Source
upstream

Detects the modification of the PortProxy registry key which is used for port forwarding.

MITRE ATT&CK coverage

TacticTechniques
Command & ControlT1090 Proxy

Event coverage

ProviderEvent IDTitle
Sysmon12RegistryEvent (Object create and delete)
Sysmon13RegistryEvent (Value Set)
Sysmon14RegistryEvent (Key and Value Rename)

Stages and Predicates

Stage 1: selection

TargetObject|contains: '\Services\PortProxy\v4tov4\tcp\'

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
  • \Services\PortProxy\v4tov4\tcp\