A newly uncovered cyber campaign dubbed “Operation Dragon Whistle” is targeting China’s education sector with highly tailored spear-phishing attacks that deploy Cobalt Strike beacons via deceptive PDF/LNK files. The attackers crafted emails that impersonate official university communications, urging students and faculty to review an important testing notice. The message includes a ZIP attachment named in […] The post Malicious PDF LNK Files Deploy Cobalt Strike in Operation Dragon Whistle appeared first on GBHackers Security | #1 Globally Trusted Cyber Security News Platform.
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