[Cuckoo Stealer](https://attack.mitre.org/software/S1153) is a macOS malware with characteristics of spyware and an infostealer that has been in use since at least 2024. [Cuckoo Stealer](https://attack.mitre.org/software/S1153) is a universal Mach-O binary that can run on Intel or ARM-based Macs and has been spread through trojanized versions of various potentially unwanted programs or PUP's such as converters, cleaners, and uninstallers.(Citation: Kandji Cuckoo April 2024)(Citation: SentinelOne Cuckoo Stealer May 2024)