Detection rules › Sigma

VolumeShadowCopy Symlink Creation Via Mklink

Severity
high
Author
Teymur Kheirkhabarov, oscd.community
Source
upstream

Shadow Copies storage symbolic link creation using operating systems utilities

MITRE ATT&CK coverage

TacticTechniques
Credential AccessT1003.002 OS Credential Dumping: Security Account Manager, T1003.003 OS Credential Dumping: NTDS

Event coverage

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

Stages and Predicates

Stage 1: selection

CommandLine|contains: HarddiskVolumeShadowCopy
CommandLine|contains: mklink

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
  • HarddiskVolumeShadowCopy
  • mklink corpus 2 (sigma 2)