Detection rules › Sigma

Logged-On User Password Change Via Ksetup.EXE

Severity
medium
Author
Nasreddine Bencherchali (Nextron Systems)
Source
upstream

Detects password change for the logged-on user's via "ksetup.exe"

Event coverage

ProviderEvent IDTitle
Sysmon1Process creation

Stages and Predicates

Stage 1: all of selection_img

or:
Image|endswith: '\ksetup.exe'
OriginalFileName: ksetup.exe

Stage 2: all of selection_cli

CommandLine|contains: ' /ChangePassword '

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
  • /ChangePassword
Imageends_with
  • \ksetup.exe corpus 2 (sigma 2)
OriginalFileNameeq
  • ksetup.exe corpus 2 (sigma 2)