malware

UPSTYLE

S1164 · ATT&CK v19.2

Platforms

Network Devices, Linux

Tracked actors

Description

[UPSTYLE](https://attack.mitre.org/software/S1164) is a Python-based backdoor associated with exploitation of Palo Alto firewalls using CVE-2024-3400 in early 2024. [UPSTYLE](https://attack.mitre.org/software/S1164) has only been observed in relation to this exploitation activity, which involved attempted install on compromised devices by the threat actor UTA0218.(Citation: Volexity UPSTYLE 2024)(Citation: Palo Alto MidnightEclipse APR 2024)

Actors that use this

0 tracked actors

No tracked actor uses this yet

Not linked to any of our tracked MENA actors in actor_software — still browsable via the ATT&CK dictionary above.