malware

PHASEJAM

S9014 · ATT&CK v19.2

Platforms

Linux, Network Devices

Tracked actors

Description

[PHASEJAM](https://attack.mitre.org/software/S9014) is a dropper written as a bash shell script that modifies Ivanti Connect Secure appliance components. [PHASEJAM](https://attack.mitre.org/software/S9014) was first reported in January 2025. [PHASEJAM](https://attack.mitre.org/software/S9014) has previously been leveraged by People's Republic of China (PRC)- affiliated actors identified as UNC5221 and SYLVANITE.(Citation: Dragos SYLVANITE MuddyWater Electrum March 2026)(Citation: Google UNC5221 Ivanti January 2025)

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.