These Popular Steam Workshop Custom Maps Secretly Install PC Malware
While Steam's anti-malware efforts have improved over the years, malware still winds up on Steam servers on occasion, usually due to it being snuck into Steam Workshop mods. Last time we discussed the problem, it was related to malware-infected live wallpapers distributed through Wallpaper Engine's Steam Workshop page, and this time Meccha Chameleon fell victim to a malware campaign.
Specifically, Meccha Chamelon's Steam Workshop was attacked with two map uploads: Laser Tag Neon and Chroma Grid Arena, both of which contained Remote Access Trojans (RATs) alongside the functioning game files. When a developer investigated the maps in question, his Discord account was hijacked, leading to the original Meccha Chameleon Discord server getting taken over by the attackers, forcing players and developers to abandon it.
According to an extended investigation posted by @FeintBE on Medium, these malware-infected Workshop maps worked by executing the malware when a match is initiated. The...
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