WhoAmI as Parameter
Detects a suspicious process command line that uses whoami as first parameter (as e.g. used by EfsPotato)
Detection logic
selection
CommandLine|contains: .exe whoamiCondition
selectionRaw YAML
title: WhoAmI as Parameter
id: e9142d84-fbe0-401d-ac50-3e519fb00c89
status: test
description: Detects a suspicious process command line that uses whoami as first parameter (as e.g. used by EfsPotato)
references:
- https://twitter.com/blackarrowsec/status/1463805700602224645?s=12
author: Florian Roth (Nextron Systems)
date: 2021-11-29
modified: 2022-12-25
tags:
- attack.discovery
- attack.t1033
- car.2016-03-001
logsource:
category: process_creation
product: windows
detection:
selection:
CommandLine|contains: '.exe whoami'
condition: selection
falsepositives:
- Unknown
level: highFalse positives
- Unknown