Hub configuration

Name: PowerShell Get-Process LSASS
Author: sigmahq

More info

PowerShell Get-Process LSASS Detection Scenario by sigmahq | CrowdSec Hub

« PowerShell Get-Process LSASS »
v0.2 by sigmahq / proc_creation_win_powershell_getprocess_lsass
Attack scenariowindowsNot spoofableLow confidence

Detects a "Get-Process" cmdlet and it's aliases on lsass process, which is in almost all cases a sign of malicious activity

Installation

cscli scenarios install sigmahq/proc_creation_win_powershell_getprocess_lsass

YAML Configuration

1type: trigger
2name: sigmahq/proc_creation_win_powershell_getprocess_lsass
3description: |
4  Detects a "Get-Process" cmdlet and it's aliases on lsass process, which is in almost all cases a sign of malicious activity
5filter: |
6  (evt.Meta.service == 'sysmon' && evt.Parsed.EventID == '1') && (evt.Parsed.CommandLine contains 'Get-Process lsas' || evt.Parsed.CommandLine contains 'ps lsas' || evt.Parsed.CommandLine contains 'gps lsas')
7blackhole: 2m
8#status: test
9labels:
10  service: windows
11  confidence: 1
12  spoofable: 0
13  classification:
14   - attack.t1552.004
15
16  label: "PowerShell Get-Process LSASS"
17  behavior : "windows:audit"
18  remediation: false
19
20scope:
21  type: ParentProcessId
22  expression: evt.Parsed.ParentProcessId
23
24

Hub configuration

« PowerShell Get-Process LSASS »v0.2 by sigmahq / proc_creation_win_powershell_getprocess_lsassAttack scenariowindowsNot spoofableLow confidenceMITRE:t1552

« PowerShell Get-Process LSASS »
v0.2 by sigmahq / proc_creation_win_powershell_getprocess_lsass
Attack scenariowindowsNot spoofableLow confidence