Detection rules › Sigma

Write Protect For Storage Disabled

Severity
medium
Author
Sreeman
Source
upstream

Detects applications trying to modify the registry in order to disable any write-protect property for storage devices. This could be a precursor to a ransomware attack and has been an observed technique used by cypherpunk group.

MITRE ATT&CK coverage

TacticTechniques
Defense EvasionT1562 Impair Defenses

Event coverage

ProviderEvent IDTitle
Sysmon1Process creation
Security-Auditing4688A new process has been created.

Stages and Predicates

Stage 1: selection

CommandLine|contains: 0
CommandLine|contains: 'Write Protection'
CommandLine|contains: '\System\CurrentControlSet\Control'
CommandLine|contains: storage

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
CommandLinematch
  • 0 corpus 4 (sigma 4)
  • Write Protection
  • \System\CurrentControlSet\Control
  • storage