Detection rules › Sigma

File Recovery From Backup Via Wbadmin.EXE

Severity
medium
Author
Nasreddine Bencherchali (Nextron Systems), frack113
Source
upstream

Detects the recovery of files from backups via "wbadmin.exe". Attackers can restore sensitive files such as NTDS.DIT or Registry Hives from backups in order to potentially extract credentials.

MITRE ATT&CK coverage

TacticTechniques
ImpactT1490 Inhibit System Recovery

Event coverage

ProviderEvent IDTitle
Sysmon1Process creation

Stages and Predicates

Stage 1: all of selection_img

or:
Image|endswith: '\wbadmin.exe'
OriginalFileName: WBADMIN.EXE

Stage 2: all of selection_cli

CommandLine|contains: ' recovery'
CommandLine|contains: 'itemtype:File'
CommandLine|contains: recoveryTarget

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
  • recovery corpus 2 (sigma 2)
  • itemtype:File corpus 2 (sigma 2)
  • recoveryTarget corpus 2 (sigma 2)
Imageends_with
  • \wbadmin.exe corpus 6 (sigma 6)
OriginalFileNameeq
  • WBADMIN.EXE corpus 6 (sigma 6)