SigmaHQ/rules/windows/process_creation/win_susp_whoami.yml

title: Whoami Execution
status: experimental
description: Detects the execution of whoami, which is often used by attackers after exloitation / privilege escalation but rarely used by administrators
references:
    - https://twitter.com/haroonmeer/status/939099379834658817
    - https://twitter.com/c_APT_ure/status/939475433711722497
author: Florian Roth
date: 2018/05/22
tags:
    - attack.discovery
    - attack.t1033
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        CommandLine: whoami
    condition: selection
falsepositives:
    - Admin activity
    - Scripts and administrative tools used in the monitored environment
level: high
Converted Sysmon/1 and Security/4688 to generic process creation rules 2019-01-16 22:36:31 +00:00			`title: Whoami Execution`
			`status: experimental`
			`description: Detects the execution of whoami, which is often used by attackers after exloitation / privilege escalation but rarely used by administrators`
			`references:`
Increased indentation to 4 * Converted (to generic sigma) rules * Converter outputs by default with indentation 4 2019-03-01 23:14:20 +00:00			`- https://twitter.com/haroonmeer/status/939099379834658817`
			`- https://twitter.com/c_APT_ure/status/939475433711722497`
Converted Sysmon/1 and Security/4688 to generic process creation rules 2019-01-16 22:36:31 +00:00			`author: Florian Roth`
			`date: 2018/05/22`
			`tags:`
Increased indentation to 4 * Converted (to generic sigma) rules * Converter outputs by default with indentation 4 2019-03-01 23:14:20 +00:00			`- attack.discovery`
			`- attack.t1033`
Converted Sysmon/1 and Security/4688 to generic process creation rules 2019-01-16 22:36:31 +00:00			`logsource:`
Increased indentation to 4 * Converted (to generic sigma) rules * Converter outputs by default with indentation 4 2019-03-01 23:14:20 +00:00			`category: process_creation`
			`product: windows`
Converted Sysmon/1 and Security/4688 to generic process creation rules 2019-01-16 22:36:31 +00:00			`detection:`
Increased indentation to 4 * Converted (to generic sigma) rules * Converter outputs by default with indentation 4 2019-03-01 23:14:20 +00:00			`selection:`
			`CommandLine: whoami`
			`condition: selection`
Converted Sysmon/1 and Security/4688 to generic process creation rules 2019-01-16 22:36:31 +00:00			`falsepositives:`
Increased indentation to 4 * Converted (to generic sigma) rules * Converter outputs by default with indentation 4 2019-03-01 23:14:20 +00:00			`- Admin activity`
			`- Scripts and administrative tools used in the monitored environment`
Converted Sysmon/1 and Security/4688 to generic process creation rules 2019-01-16 22:36:31 +00:00			`level: high`