Detection rules › Sigma

Suspicious Use of PsLogList

Severity
medium
Author
Nasreddine Bencherchali (Nextron Systems)
Source
upstream

Detects usage of the PsLogList utility to dump event log in order to extract admin accounts and perform account discovery or delete events logs

MITRE ATT&CK coverage

TacticTechniques
DiscoveryT1087 Account Discovery, T1087.001 Account Discovery: Local Account, T1087.002 Account Discovery: Domain Account

Event coverage

ProviderEvent IDTitle
Sysmon1Process creation

Stages and Predicates

Stage 1: all of selection_img

or:
Image|endswith: '\psloglist.exe'
Image|endswith: '\psloglist64.exe'
OriginalFileName: psloglist.exe

Stage 2: all of selection_cli_eventlog

or:
CommandLine|contains: ' application'
CommandLine|contains: ' security'
CommandLine|contains: ' system'

Stage 3: all of selection_cli_flags

or:
CommandLine|contains: ' -c'
CommandLine|contains: ' -d'
CommandLine|contains: ' -g'
CommandLine|contains: ' -s'
CommandLine|contains: ' -x'

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
  • -c corpus 4 (sigma 4)
  • -d
  • -g corpus 2 (sigma 2)
  • -s corpus 2 (sigma 2)
  • -x
  • application
  • security
  • system
Imageends_with
  • \psloglist.exe corpus 4 (sigma 4)
  • \psloglist64.exe corpus 4 (sigma 4)
OriginalFileNameeq
  • psloglist.exe