Security News > 2023 > February > Hackers backdoor Windows devices in Sliver and BYOVD attacks

Hackers backdoor Windows devices in Sliver and BYOVD attacks
2023-02-06 21:00

A new hacking campaign exploits Sunlogin flaws to deploy the Sliver post-exploitation toolkit and launch Windows Bring Your Own Vulnerable Driver attacks to disable security software.

According to a report by the AhnLab Security Emergency Response Center, recently observed attacks target two 2022 vulnerabilities in Sunlogin, a remote-control software by a Chinese developer.

Sys file, a digitally signed anti-cheat driver for Genshin Impact that Trend Micro observed being used for ransomware attacks since last year.

In some cases observed by ASEC, the Sunlogin attacks were followed by installing a Sliver implant.

Microsoft recommends that Windows admins enable the vulnerable driver blocklist to protect against BYOVD attacks.

A Microsoft support article provides information on enabling the blocklist using the Windows Memory Integrity feature or Windows Defender Application Control.


News URL

https://www.bleepingcomputer.com/news/security/hackers-backdoor-windows-devices-in-sliver-and-byovd-attacks/