Hub configuration

Name: Potentially Suspicious Event Viewer Child Process
Author: sigmahq

More info

Potentially Suspicious Event Viewer Child Process Detection Scenario by sigmahq | CrowdSec Hub

« Potentially Suspicious Event Viewer Child Process »
v0.2 by sigmahq / proc_creation_win_eventvwr_susp_child_process
Attack scenariowindowsNot spoofableLow confidence

Detects uncommon or suspicious child processes of "eventvwr.exe" which might indicate a UAC bypass attempt

Installation

cscli scenarios install sigmahq/proc_creation_win_eventvwr_susp_child_process

YAML Configuration

1type: trigger
2name: sigmahq/proc_creation_win_eventvwr_susp_child_process
3description: |
4  Detects uncommon or suspicious child processes of "eventvwr.exe" which might indicate a UAC bypass attempt
5filter: |
6  (evt.Meta.service == 'sysmon' && evt.Parsed.EventID == '1') && (evt.Parsed.ParentImage endsWith '\\eventvwr.exe' && not (evt.Parsed.Image endsWith ':\\Windows\\System32\\mmc.exe' || evt.Parsed.Image endsWith ':\\Windows\\System32\\WerFault.exe' || evt.Parsed.Image endsWith ':\\Windows\\SysWOW64\\WerFault.exe'))
7blackhole: 2m
8#status: test
9labels:
10  service: windows
11  confidence: 1
12  spoofable: 0
13  classification:
14   - attack.t1548.002
15
16  label: "Potentially Suspicious Event Viewer Child Process"
17  behavior : "windows:audit"
18  remediation: false
19
20scope:
21  type: ParentProcessId
22  expression: evt.Parsed.ParentProcessId
23
24

Hub configuration

« Potentially Suspicious Event Viewer Child Process »v0.2 by sigmahq / proc_creation_win_eventvwr_susp_child_processAttack scenariowindowsNot spoofableLow confidenceMITRE:t1548

« Potentially Suspicious Event Viewer Child Process »
v0.2 by sigmahq / proc_creation_win_eventvwr_susp_child_process
Attack scenariowindowsNot spoofableLow confidence