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Malware PHASEJAM

PHASEJAM

TLP:CLEAR
Family

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Description

PHASEJAM is a dropper written as a bash shell script that modifies Ivanti Connect Secure appliance components. PHASEJAM was first reported in January 2025. PHASEJAM 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)

Details

Type
Malware
Platforms
Linux
Network devices
Confidence
90%
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