Amadey and StealC Malware Network Disrupted, 27M Stolen Credentials Recovered

A coordinated law enforcement operation, in partnership with private sector companies, including Bitdefender, Bitsight, ESET, and Microsoft, has resulted in the takedown of criminal infrastructure powering Amadey and StealC. "The main common goal was to disrupt the 'assembly lines' cybercriminals...

Hackers Use GitHub Repositories to Host Amadey Malware and Data Stealers, Bypassing Filters

Threat actors are leveraging public GitHub repositories to host malicious payloads and distribute them via Amadey as part of a campaign observed in April 2025. "The MaaS malware-as-a-service operators used fake GitHub accounts to host payloads, tools, and Amadey plug-ins, likely as an attempt to...

Secret Blizzard Deploys Kazuar Backdoor in Ukraine Using Amadey Malware-as-a-Service

The Russian nation-state actor tracked as Secret Blizzard has been observed leveraging malware associated with other threat actors to deploy a known backdoor called Kazuar on target devices located in Ukraine. The new findings come from the Microsoft threat intelligence team, which said it observ...

‘Highly Competitive' Buer Loader Emerges in Underground Markets

A previously undocumented modular loader has emerged as a lucrative tool for cybercriminals in a variety of campaigns. Researchers say the “highly competitive” loader, dubbed Buer, is intended for use by actors seeking a turn-key, off-the-shelf solution. Researchers say they have spotted the load...