Glupteba Botnet Evades Detection with Undocumented UEFI Bootkit

The Glupteba botnet has been found to incorporate a previously undocumented Unified Extensible Firmware Interface (UEFI) bootkit feature, adding another layer of sophistication and stealth to the malware. "This bootkit can intervene and control the [operating system] boot process, enabling Glupteba to hide itself and create a stealthy persistence that can be extremely difficult to

Glupteba Botnet Continues to Thrive Despite Google's Attempts to Disrupt It

The operators of the Glupteba botnet resurfaced in June 2022 as part of a renewed and "upscaled" campaign, months after Google disrupted the malicious activity. The ongoing attack is suggestive of the malware's resilience in the face of takedowns, cybersecurity company Nozomi Networks said in a write-up. "In addition, there was a tenfold increase in TOR hidden services being used as C2 servers