Hub configuration

Name: UAC Bypass Abusing Winsat Path Parsing - Process
Author: sigmahq

More info

UAC Bypass Abusing Winsat Path Parsing - Process Detection Scenario by sigmahq | CrowdSec Hub

« UAC Bypass Abusing Winsat Path Parsing - Process »
v0.2 by sigmahq / proc_creation_win_uac_bypass_winsat
Attack scenariowindowsNot spoofableLow confidence

Detects the pattern of UAC Bypass using a path parsing issue in winsat.exe (UACMe 52)

Installation

cscli scenarios install sigmahq/proc_creation_win_uac_bypass_winsat

YAML Configuration

1type: trigger
2name: sigmahq/proc_creation_win_uac_bypass_winsat
3description: |
4  Detects the pattern of UAC Bypass using a path parsing issue in winsat.exe (UACMe 52)
5filter: |
6  (evt.Meta.service == 'sysmon' && evt.Parsed.EventID == '1') && ((evt.Parsed.IntegrityLevel in ['High', 'System']) && evt.Parsed.ParentImage endsWith '\\AppData\\Local\\Temp\\system32\\winsat.exe' && evt.Parsed.ParentCommandLine contains 'C:\\Windows \\system32\\winsat.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: "UAC Bypass Abusing Winsat Path Parsing - Process"
17  behavior : "windows:audit"
18  remediation: false
19
20scope:
21  type: ParentProcessId
22  expression: evt.Parsed.ParentProcessId
23
24

Hub configuration

« UAC Bypass Abusing Winsat Path Parsing - Process »v0.2 by sigmahq / proc_creation_win_uac_bypass_winsatAttack scenariowindowsNot spoofableLow confidenceMITRE:t1548

« UAC Bypass Abusing Winsat Path Parsing - Process »
v0.2 by sigmahq / proc_creation_win_uac_bypass_winsat
Attack scenariowindowsNot spoofableLow confidence