Event signatures data

Event signature data refers to the unique identifiers and patterns associated with specific events recorded in the Windows Event Log. These signatures are based on Windows Event IDs, which are numerical codes assigned to specific system activities, errors, warnings, or security-related events. By analyzing this data, system administrators, security professionals, or monitoring tools can recognize and respond to significant activities or potential issues in Windows environments. For example:

• Threat detection: Tools like Splunk Enterprise Security use event signature data to detect security incidents, such as brute-force attacks or malware activity.
• System monitoring: Event signature data helps identify system performance issues or failures, such as application crashes or unexpected reboots.
• Compliance auditing: Logs containing specific event signatures are used to ensure compliance with regulations like GDPR, HIPAA, or ISO standards.
• Forensic analysis: Event signature data is analyzed during investigations to trace malicious activity or understand the cause of a security incident.

Event signatures data typically includes:

• Security-related event signatures: These events are logged under the security category and are typically used to monitor access, authentication, and authorization activities
  • Event ID 4624: Successful Account Logon
  • Event ID 4625: Failed Account Logon
  • Event ID 4776: Domain Controller Authentication Failure
  • Event ID 4670: Permission Changes on an Object
• System-related event signatures: These events are used to monitor hardware and system-level changes
  • Event ID 6005: System Startup (Event Log Service Started)
  • Event ID 6006: System Shutdown
  • Event ID 41: Unexpected System Shutdown (Kernel-Power)
• Application-related event signatures: These events track application-specific issues or performance
  • Event ID 1000: Application Crash
  • Event ID 1026: Application Framework Exception
• Security threat signatures: These events are often used in threat detection and response to identify suspicious or malicious activity
  • Event ID 1102: Audit Log Cleared
  • Event ID 4698: Scheduled Task Created
• Active Directory event signatures: These events track changes or activities in a Windows Active Directory environment
  • Event ID 4740: Account Locked Out
  • Event ID 4720: User Account Created