Detection rules › Sigma

Dump Ntds.dit To Suspicious Location

Severity
medium
Author
Nasreddine Bencherchali (Nextron Systems)
Source
upstream

Detects potential abuse of ntdsutil to dump ntds.dit database to a suspicious location

Event coverage

ProviderEvent IDTitle
ESENT325

Stages and Predicates

Stage 1: all of selection_root

Data|contains: ntds.dit
Provider_Name: ESENT

Stage 2: all of selection_paths

or:
Data|contains: ':\ntds.dit'
Data|contains: '\Appdata\'
Data|contains: '\Desktop\'
Data|contains: '\Downloads\'
Data|contains: '\Perflogs\'
Data|contains: '\Temp\'
Data|contains: '\Users\Public\'

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
Datamatch
  • :\ntds.dit
  • \Appdata\
  • \Desktop\ corpus 2 (sigma 2)
  • \Downloads\
  • \Perflogs\
  • \Temp\
  • \Users\Public\ corpus 2 (sigma 2)
  • ntds.dit corpus 2 (sigma 2)
Provider_Nameeq
  • ESENT corpus 2 (sigma 2)