Ual

Overview

Evidence: Ual Description: Collect Ual Category: System Platform: Windows Short Name: ual Is Parsed: Yes Sent to Investigation Hub: Yes Collect File(s): No

Background

Windows User Access Logging (UAL) provides detailed records of user access to system resources, including files, applications, and network resources. This data is essential for understanding resource access patterns and detecting unauthorized access.

Data Collected

This collector gathers structured data about user access logs.

User Access Logs Data

Field	Description	Example
ID	Primary key (auto-increment)	1
AuthenticatedUserName	Authenticated username	DOMAIN\Administrator
DBName	Database name	SystemIdentity
DBPath	Database path	C:\Windows\System32\LogFiles\SUM\SystemIdentity.mdb
DBYear	Database year	2023
RoleName	Role name	Administrator
RoleGUID	Role GUID	12345678-1234-1234-1234-123456789012
TenantID	Tenant ID	tenant-123
TotalAccesses	Total access count	150
InsertDate	Insert date	2023-10-15 14:30:25
LastAccess	Last access time	2023-10-15 14:30:25
Address	Source address	192.168.1.100
Days	Access days	2023-10-15,2023-10-16

Collection Method

This collector parses the necessary data from the ual table.

This collector collects files from the following locations:

• C:\Windows\System32\LogFiles\WMI\

Usage

This evidence is crucial for forensic investigations as it provides user access and resource usage information. It helps investigators understand resource access patterns, detect unauthorized access, and investigate access-based attacks. The data can reveal resource access, user behavior, and potential security incidents. Analysts can use this information to identify access compromises, trace user activities, and assess Windows security posture.

Notes

This data may contain sensitive information that should be handled according to data protection requirements. Ensure proper chain of custody is maintained during collection and analysis.