Hub configuration

Name: MSHTA Suspicious Execution 01
Author: sigmahq

More info

MSHTA Suspicious Execution 01 Detection Scenario by sigmahq | CrowdSec Hub

« MSHTA Suspicious Execution 01 »
v0.2 by sigmahq / proc_creation_win_mshta_susp_execution
Attack scenariowindowsNot spoofableLow confidence

Detection for mshta.exe suspicious execution patterns sometimes involving file polyglotism

Installation

cscli scenarios install sigmahq/proc_creation_win_mshta_susp_execution

YAML Configuration

1type: trigger
2name: sigmahq/proc_creation_win_mshta_susp_execution
3description: |
4  Detection for mshta.exe suspicious execution patterns sometimes involving file polyglotism
5filter: |
6  (evt.Meta.service == 'sysmon' && evt.Parsed.EventID == '1') && (evt.Parsed.Image endsWith '\\mshta.exe' && (evt.Parsed.CommandLine contains 'vbscript' || evt.Parsed.CommandLine contains '.jpg' || evt.Parsed.CommandLine contains '.png' || evt.Parsed.CommandLine contains '.lnk' || evt.Parsed.CommandLine contains '.xls' || evt.Parsed.CommandLine contains '.doc' || evt.Parsed.CommandLine contains '.zip' || evt.Parsed.CommandLine contains '.dll'))
7blackhole: 2m
8#status: test
9labels:
10  service: windows
11  confidence: 1
12  spoofable: 0
13  classification:
14   - attack.t1140
15   - attack.t1218.005
16   - attack.t1059.007
17
18  label: "MSHTA Suspicious Execution 01"
19  behavior : "windows:audit"
20  remediation: false
21
22scope:
23  type: ParentProcessId
24  expression: evt.Parsed.ParentProcessId
25
26

Hub configuration

« MSHTA Suspicious Execution 01 »v0.2 by sigmahq / proc_creation_win_mshta_susp_executionAttack scenariowindowsNot spoofableLow confidenceMITRE:t1140MITRE:t1218MITRE:t1059

« MSHTA Suspicious Execution 01 »
v0.2 by sigmahq / proc_creation_win_mshta_susp_execution
Attack scenariowindowsNot spoofableLow confidence