Hub configuration

Name: Whoami.EXE Execution From Privileged Process
Author: sigmahq

More info

Whoami.EXE Execution From Privileged Process Detection Scenario by sigmahq | CrowdSec Hub

« Whoami.EXE Execution From Privileged Process »
v0.2 by sigmahq / proc_creation_win_whoami_execution_from_high_priv_process
Attack scenariowindowsNot spoofableLow confidence

Detects the execution of "whoami.exe" by privileged accounts that are often abused by threat actors

Installation

cscli scenarios install sigmahq/proc_creation_win_whoami_execution_from_high_priv_process

YAML Configuration

1type: trigger
2name: sigmahq/proc_creation_win_whoami_execution_from_high_priv_process
3description: |
4  Detects the execution of "whoami.exe" by privileged accounts that are often abused by threat actors
5filter: |
6  (evt.Meta.service == 'sysmon' && evt.Parsed.EventID == '1') && ((evt.Parsed.OriginalFileName == 'whoami.exe' || evt.Parsed.Image endsWith '\\whoami.exe') && (evt.Parsed.User contains 'AUTHORI' || evt.Parsed.User contains 'AUTORI' || evt.Parsed.User contains 'TrustedInstaller'))
7blackhole: 2m
8#status: test
9labels:
10  service: windows
11  confidence: 1
12  spoofable: 0
13  classification:
14   - attack.t1033
15
16  label: "Whoami.EXE Execution From Privileged Process"
17  behavior : "windows:audit"
18  remediation: false
19
20scope:
21  type: ParentProcessId
22  expression: evt.Parsed.ParentProcessId
23
24

Hub configuration

« Whoami.EXE Execution From Privileged Process »v0.2 by sigmahq / proc_creation_win_whoami_execution_from_high_priv_processAttack scenariowindowsNot spoofableLow confidenceMITRE:t1033

« Whoami.EXE Execution From Privileged Process »
v0.2 by sigmahq / proc_creation_win_whoami_execution_from_high_priv_process
Attack scenariowindowsNot spoofableLow confidence