[HIUPAN](https://attack.mitre.org/software/S1230) (aka U2DiskWatch) is a is a worm that propagates through removable drives known to be leveraged by [Mustang Panda](https://attack.mitre.org/groups/G0129) and was first observed utilized in 2024. (Citation: 2025_IBM_PUBLOAD_TONESHELL_HIUPAN_CLAIMLOADER_MUSTANG PANDA)(Citation: Trend Micro MUSTANG PANDA PUBLOAD HIUPAN SEPTEMBER 2024)