Rare Werewolf APT Uses Legitimate Software in Attacks on Hundreds of Russian Enterprises

The threat actor known as Rare Werewolf (formerly Rare Wolf) has been linked to a series of cyber attacks targeting Russia and the Commonwealth of Independent States (CIS) countries. “A distinctive feature of this threat is that the attackers favor using legitimate third-party software over developing their own malicious binaries,” Kaspersky said. "The malicious functionality of the campaign