Hub configuration

Name: Suspicious JavaScript Execution Via Mshta.EXE
Author: sigmahq

More info

Suspicious JavaScript Execution Via Mshta.EXE Detection Scenario by sigmahq | CrowdSec Hub

« Suspicious JavaScript Execution Via Mshta.EXE »
v0.2 by sigmahq / proc_creation_win_mshta_javascript
Attack scenariowindowsNot spoofableLow confidence

Detects execution of javascript code using "mshta.exe".

Installation

cscli scenarios install sigmahq/proc_creation_win_mshta_javascript

YAML Configuration

1type: trigger
2name: sigmahq/proc_creation_win_mshta_javascript
3description: |
4  Detects execution of javascript code using "mshta.exe".
5filter: |
6  (evt.Meta.service == 'sysmon' && evt.Parsed.EventID == '1') && ((evt.Parsed.Image endsWith '\\mshta.exe' || evt.Parsed.OriginalFileName == 'MSHTA.EXE') && evt.Parsed.CommandLine contains 'javascript')
7blackhole: 2m
8#status: test
9labels:
10  service: windows
11  confidence: 1
12  spoofable: 0
13  classification:
14   - attack.t1218.005
15
16  label: "Suspicious JavaScript Execution Via Mshta.EXE"
17  behavior : "windows:audit"
18  remediation: false
19
20scope:
21  type: ParentProcessId
22  expression: evt.Parsed.ParentProcessId
23
24

Hub configuration

« Suspicious JavaScript Execution Via Mshta.EXE »v0.2 by sigmahq / proc_creation_win_mshta_javascriptAttack scenariowindowsNot spoofableLow confidenceMITRE:t1218

« Suspicious JavaScript Execution Via Mshta.EXE »
v0.2 by sigmahq / proc_creation_win_mshta_javascript
Attack scenariowindowsNot spoofableLow confidence