Iranian Group Tortoiseshell Launches New Wave of IMAPLoader Malware Attacks

The Iranian threat actor known as Tortoiseshell has been attributed to a new wave of watering hole attacks that are designed to deploy a malware dubbed IMAPLoader.
"IMAPLoader is a .NET malware that has the ability to fingerprint victim systems using native Windows utilities and acts as a downloader for further payloads," the PwC Threat Intelligence said in a Wednesday analysis.
"It uses email

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