New ACRStealer Exploits Google Docs and Steam for C2 Server Using DDR Technique

ACRStealer, an infostealer malware that has been circulating since last year and gained momentum in early 2025, continues to evolve with sophisticated modifications aimed at evading detection and complicating analysis. Initially documented by AhnLab Security Intelligence Center (ASEC) for leveraging Google Docs and Steam as command-and-control (C2) servers through the Dead Drop Resolver (DDR) technique, […]

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