Iran-linked Charming Kitten group used an updated version of the PowerShell backdoor called POWERSTAR in a spear-phishing campaign. Security firm Volexity observed the Iran-linked Charming Kitten (aka APT35, Phosphorus, Newscaster, and Ajax Security Team) group using an updated version of the PowerShell backdoor POWERSTAR in a spear-phishing campaign.

Source: Security Affairs