Fake Researcher Profiles Spread Malware through GitHub Repositories as PoC Exploits
Jun 14, 2023
Malware / Zero-Day
At least half of dozen GitHub accounts from fake researchers associated with a fraudulent cybersecurity company have been observed pushing malicious repositories on the code hosting service. All seven repositories, which are still available as of writing, claim to be a proof-of-concept (PoC) exploit for purported zero-day flaws in Discord, Google Chrome, and Microsoft Exchange Server. VulnCheck, which discovered the activity, said , "the individuals creating these repositories have put significant effort into making them look legitimate by creating a network of accounts and Twitter profiles, pretending to be part of a non-existent company called High Sierra Cyber Security." The cybersecurity firm said it first came across the rogue repositories in early May when they were observed releasing similar PoC exploits for zero-day bugs in Signal and WhatsApp. The repositories hosting the two PoCs have since been taken down. Besides sharing some of the purported findings on Tw...