Detection rules › Sigma

Renamed Remote Utilities RAT (RURAT) Execution

Severity
medium
Author
Nasreddine Bencherchali (Nextron Systems)
Source
upstream

Detects execution of renamed Remote Utilities (RURAT) via Product PE header field

Event coverage

ProviderEvent IDTitle
Sysmon1Process creation

Stages and Predicates

Stage 1: selection

Product: 'Remote Utilities'

Stage 2: not filter

or:
Image|endswith: '\rfusclient.exe'
Image|endswith: '\rutserv.exe'

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
Imageends_with
  • \rfusclient.exe corpus 2 (sigma 2)
  • \rutserv.exe corpus 2 (sigma 2)
Producteq
  • Remote Utilities corpus 2 (sigma 2)