Detection rules › Sigma

External Disk Drive Or USB Storage Device Was Recognized By The System

Severity
low
Author
Keith Wright
Source
upstream

Detects external disk drives or plugged-in USB devices.

MITRE ATT&CK coverage

TacticTechniques
Initial AccessT1091 Replication Through Removable Media, T1200 Hardware Additions
Lateral MovementT1091 Replication Through Removable Media

Event coverage

ProviderEvent IDTitle
Security-Auditing6416A new external device was recognized by the system.

Stages and Predicates

Stage 1: all of selection_eid

Stage 2: all of selection_field

or:
ClassName: DiskDrive
DeviceDescription: 'USB Mass Storage Device'

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
ClassNameeq
  • DiskDrive
DeviceDescriptioneq
  • USB Mass Storage Device