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Bleeping Computer
A previously undocumented, fully undetectable PowerShell backdoor is being actively used by a threat actor who has targeted at least 69 entities. [...]
The Hacker News
Details have emerged about a previously undocumented and fully undetectable (FUD) PowerShell backdoor that gains its stealth by disguising itself as part of a Windows update process. "The covert self-developed tool and the associated C2 commands seem to be the work of a sophisticated, unknown threat actor who has targeted approximately 100 victims," Tomer Bar, director of security research at
ZDNet Security
PowerShell is often abused by attackers but defenders should not switch off the Windows command-line tool, warn cybersecurity agencies.
The Register
Use it sensibly instead – which means turning on the useful bits Microsoft doesn't enable by default Windows PowerShell is enormously useful, extremely prevalent, and often by crooks because it offers an express route into the heart of Windows servers and networks.… targeted
Bleeping Computer
The National Security Agency (NSA) and cybersecurity partner agencies issued an advisory today recommending system administrators to use PowerShell to prevent and detect malicious activity on Windows machines. [...]
Bleeping Computer
Security researchers have discovered a new Microsoft Office zero-day vulnerability that is currently exploited in phishing attacks to install malware on devices simply by opening a Word document. [...]
The Register
And that's a bit odd, says Red Canary A strain of Windows uses PowerShell to add a malicious extension to a victim's Chrome browser for nefarious purposes. A macOS variant exists that uses Bash to achieve the same and also targets Safari.…
Bleeping Computer
An unknown threat actor is targeting German users interested in the Ukraine crisis, infecting them with a custom PowerShell RAT (remote access trojan) and stealing their data. [...]
Bleeping Computer
Bleeping Computer
A handy tip was shared online this week, showing how you can use PowerShell to monitor changes to the Windows Registry over time. [...]