Chinese Alloy Taurus Updates PingPull Malware

Unit 42 researchers recently identified a new variant of PingPull malware used by Alloy Taurus actors designed to target Linux systems. While following the infrastructure leveraged by the actor for this PingPull variant, we also identified their use of another backdoor we track as Sword2033.

The first samples of PingPull malware date back to September 2021. Monitoring its use across several campaigns, in June 2022 Unit 42 published research outlining the functionality of PingPull and attributed the use of the tool to Alloy Taurus.

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Source: Palo Alto Unit 42