All articles tagged with #powershell
Microsoft has added a new security feature to Windows PowerShell 5.1 that prompts users to confirm before executing web content without special parameters, allowing them to choose between safety and potential risk, primarily impacting enterprise environments but also relevant for interactive users.,
Hackers are using WinRAR self-extracting archives to plant backdoors without triggering security agents on target systems. The SFX files contain harmless decoy files and are password-protected. The attackers add malicious functionality to the SFX files, allowing them to run PowerShell, Windows command prompt, and task manager with system privileges. This type of attack is likely to remain undetected by traditional antivirus software. Users are advised to use appropriate software to check the content of SFX archives and look for potential scripts or commands scheduled to run upon extraction.
Hackers are using WinRAR self-extracting archives to plant backdoors without triggering security agents on target systems. The SFX files contain harmless decoy files and are password-protected. The attackers add malicious functionality to the SFX files, allowing them to run PowerShell, Windows command prompt, and task manager with system privileges. This type of attack is likely to remain undetected by traditional antivirus software. Users are advised to use appropriate software to check the content of SFX archives and look for potential scripts or commands scheduled to run upon extraction.
Microsoft has released PowerShell scripts to fix a BitLocker security bypass vulnerability in the Windows Recovery Environment (WinRE) for Windows 10 and 11 systems. The vulnerability could allow access to encrypted data in storage devices. The scripts enable enterprises to automatically update WinRE images to protect Windows devices. The flaw can only be exploited on systems with the winre.wim on the recovery partition.