Hub configuration

Name: Potential PowerShell Obfuscation Via WCHAR
Author: sigmahq

More info

Potential PowerShell Obfuscation Via WCHAR Detection Scenario by sigmahq | CrowdSec Hub

« Potential PowerShell Obfuscation Via WCHAR »
v0.2 by sigmahq / proc_creation_win_powershell_obfuscation_via_utf8
Attack scenariowindowsNot spoofableLow confidence

Detects suspicious encoded character syntax often used for defense evasion

Installation

cscli scenarios install sigmahq/proc_creation_win_powershell_obfuscation_via_utf8

YAML Configuration

1type: trigger
2name: sigmahq/proc_creation_win_powershell_obfuscation_via_utf8
3description: |
4  Detects suspicious encoded character syntax often used for defense evasion
5filter: |
6  (evt.Meta.service == 'sysmon' && evt.Parsed.EventID == '1') && (evt.Parsed.CommandLine contains '(WCHAR)0x')
7blackhole: 2m
8#status: test
9labels:
10  service: windows
11  confidence: 1
12  spoofable: 0
13  classification:
14   - attack.t1059.001
15   - attack.t1027
16
17  label: "Potential PowerShell Obfuscation Via WCHAR"
18  behavior : "windows:audit"
19  remediation: false
20
21scope:
22  type: ParentProcessId
23  expression: evt.Parsed.ParentProcessId
24
25

Hub configuration

« Potential PowerShell Obfuscation Via WCHAR »v0.2 by sigmahq / proc_creation_win_powershell_obfuscation_via_utf8Attack scenariowindowsNot spoofableLow confidenceMITRE:t1059MITRE:t1027

« Potential PowerShell Obfuscation Via WCHAR »
v0.2 by sigmahq / proc_creation_win_powershell_obfuscation_via_utf8
Attack scenariowindowsNot spoofableLow confidence