Malvertising Campaign Hijacks Facebook Accounts to Spread SYS01stealer Malware
Oct 30, 2024
Malware / Cyber Threat
Cybersecurity researchers have uncovered an ongoing malvertising campaign that abuses Meta's advertising platform and hijacked Facebook accounts to distribute an information stealer known as SYS01stealer. "The hackers behind the campaign use trusted brands to expand their reach," Bitdefender Labs said in a report shared with The Hacker News. "The malvertising campaign leverages nearly a hundred malicious domains, utilized not only for distributing the malware but also for live command and control (C2) operations, allowing threat actors to manage the attack in real-time." SYS01stealer was first documented by Morphisec in early 2023, describing attack campaigns targeting Facebook business accounts using Google ads and fake Facebook profiles that promote games, adult content, and cracked software. Like other stealer malware, the end goal is to steal login credentials, browsing history, and cookies. But it's also focused on obtaining Facebook ad and busin...