UAC Bypass Attempt via Elevated COM Internet Explorer Add-On Installer
editUAC Bypass Attempt via Elevated COM Internet Explorer Add-On Installer
editIdentifies User Account Control (UAC) bypass attempts by abusing an elevated COM Interface to launch a malicious program. Attackers may attempt to bypass UAC to stealthily execute code with elevated permissions.
Rule type: eql
Rule indices:
- winlogbeat-*
- logs-endpoint.events.*
- logs-windows.*
Severity: medium
Risk score: 47
Runs every: 5m
Searches indices from: now-9m (Date Math format, see also Additional look-back time)
Maximum alerts per execution: 100
References:
Tags:
- Elastic
- Host
- Windows
- Threat Detection
- Privilege Escalation
Version: 102
Rule authors:
- Elastic
Rule license: Elastic License v2
Investigation guide
editRule query
editprocess where event.type == "start" and process.executable : "C:\\*\\AppData\\*\\Temp\\IDC*.tmp\\*.exe" and process.parent.name : "ieinstal.exe" and process.parent.args : "-Embedding" /* uncomment once in winlogbeat */ /* and not (process.code_signature.subject_name == "Microsoft Corporation" and process.code_signature.trusted == true) */
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Privilege Escalation
- ID: TA0004
- Reference URL: https://attack.mitre.org/tactics/TA0004/
-
Technique:
- Name: Abuse Elevation Control Mechanism
- ID: T1548
- Reference URL: https://attack.mitre.org/techniques/T1548/
-
Sub-technique:
- Name: Bypass User Account Control
- ID: T1548.002
- Reference URL: https://attack.mitre.org/techniques/T1548/002/