Hiding In The Windows Event Log>
– MalBot
Hiding in the Windows Event Log is a form of data exfiltration that can be used by malicious attackers to evade detection. The Windows Event Log contains many important system tasks and serves as a valuable source of data for administrators and security professionals. Unfortunately, this same system can also provide a way for attackers to exfiltrate sensitive data undetected. Attackers can use the Windows Event Log to transfer data without triggering any alerts. The Windows Event Log stores information in XML files and attackers can use these files to hide malicious commands or exfiltrate data. Attackers can also use the event log to hide malware payloads. Malware can be hidden in permanent event log entries or in entries that are deleted automatically after a certain period of time. The Windows Event Log also allows attackers to disguise their data by altering the descriptions of events to make them appear genuine. If attackers use the Windows Event Log to exfiltrate data, an administrator must take measures to detect and stop the activity. Administrators should conduct regular reviews of event logs and monitor for suspicious patterns. They should also be aware of the different ways attackers may use the Windows Event Log and take steps to mitigate the risk of data exfiltration.
Link: https://malware.news/t/hiding-in-the-windows-event-log/71187