Detection rules › Sigma

Suspicious Splwow64 Without Params

Severity
high
Author
Florian Roth (Nextron Systems)
Source
upstream

Detects suspicious Splwow64.exe process without any command line parameters

MITRE ATT&CK coverage

TacticTechniques
Defense EvasionT1202 Indirect Command Execution

Event coverage

ProviderEvent IDTitle
Sysmon1Process creation
Security-Auditing4688A new process has been created.

Stages and Predicates

Stage 1: selection

CommandLine|endswith: splwow64.exe
Image|endswith: '\splwow64.exe'

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
CommandLineends_with
  • splwow64.exe
Imageends_with
  • \splwow64.exe