Detection rules › Sigma

Computer Password Change Via Ksetup.EXE

Severity
medium
Author
Nasreddine Bencherchali (Nextron Systems)
Source
upstream

Detects password change for the computer's domain account or host principal 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: ' /setcomputerpassword '

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