Creation or modification of the default command executed when opening an application

Synopsis

Field	Value
Activation Period	14 Days
Training Period	30 Days
Test Period	N/A (single event)
Deduplication Period	1 Day
Required Data	XDR Agent with eXtended Threat Hunting (XTH)
ATT&CK Tactic	Privilege Escalation (TA0004)
ATT&CK Technique	Abuse Elevation Control Mechanism: Bypass User Account Control (T1548.002)
Severity	Informational

Description

Creation or modification of these registry keys can cause the execution of the specified programs, bypassing UAC.

Attacker's Goals

Gain higher privileges by bypassing the User Account Control (UAC).

Investigative actions

• Check the registry data modified for a potentially malicious command line.
• Look for processes running matching the command line for malicious activity.

Variations

Creation or modification of the default command executed when opening the Microsoft optional features settings (Fodhelper.exe)

Synopsis

Field	Value
ATT&CK Tactic	Privilege Escalation (TA0004)
ATT&CK Technique	Abuse Elevation Control Mechanism: Bypass User Account Control (T1548.002)
Severity	Medium

Description

Creation or modification of these registry keys can cause the execution of the specified programs, bypassing UAC.

Attacker's Goals

Gain higher privileges by bypassing the User Account Control (UAC).

Investigative actions

• Check the registry data modified for a potentially malicious command line.
• Look for processes running matching the command line for malicious activity.

Creation or modification of the default command executed when opening an MMC application

Synopsis

Field	Value
ATT&CK Tactic	Privilege Escalation (TA0004)
ATT&CK Technique	Abuse Elevation Control Mechanism: Bypass User Account Control (T1548.002)
Severity	Medium

Description

Creation or modification of these registry keys can cause the execution of the specified programs, bypassing UAC.

Attacker's Goals

Gain higher privileges by bypassing the User Account Control (UAC).

Investigative actions

• Check the registry data modified for a potentially malicious command line.
• Look for processes running matching the command line for malicious activity.

Creation or modification of the default command executed when opening Windows backup and restore (sdclt.exe)

Synopsis

Field	Value
ATT&CK Tactic	Privilege Escalation (TA0004)
ATT&CK Technique	Abuse Elevation Control Mechanism: Bypass User Account Control (T1548.002)
Severity	Medium

Description

Creation or modification of these registry keys can cause the execution of the specified programs, bypassing UAC.

Attacker's Goals

Gain higher privileges by bypassing the User Account Control (UAC).

Investigative actions

• Check the registry data modified for a potentially malicious command line.
• Look for processes running matching the command line for malicious activity.

Creation or modification of the default command executed when opening Windows Store settings (Wsreset.exe)

Synopsis

Field	Value
ATT&CK Tactic	Privilege Escalation (TA0004)
ATT&CK Technique	Abuse Elevation Control Mechanism: Bypass User Account Control (T1548.002)
Severity	Medium

Description

Creation or modification of these registry keys can cause the execution of the specified programs, bypassing UAC.

Attacker's Goals

Gain higher privileges by bypassing the User Account Control (UAC).

Investigative actions

• Check the registry data modified for a potentially malicious command line.
• Look for processes running matching the command line for malicious activity.