Detection rules › Sigma

HackTool - NPPSpy Hacktool Usage

Severity
high
Author
Florian Roth (Nextron Systems)
Source
upstream

Detects the use of NPPSpy hacktool that stores cleartext passwords of users that logged in to a local file

Event coverage

ProviderEvent IDTitle
Sysmon11FileCreate

Stages and Predicates

Stage 1: selection

or:
TargetFilename|endswith: '\NPPSpy.dll'
TargetFilename|endswith: '\NPPSpy.txt'

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
TargetFilenameends_with
  • \NPPSpy.dll
  • \NPPSpy.txt