Previous attacks from the Iranian Phosphorus APT (aka Charming Kitten, APT35) are well documented. Recently a new set of tools incorporated into the group's arsenal, and a connection with the Memento ransomware, have been discovered. Researchers from have detected a new and undocumented PowerShell backdoor that supports downloading malware such as a keylogger and an infostealer. The code runs in the context of a .NET app without launching powershell.exe and thus avoiding detection.
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