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ZionSiphon Malware Targets Water Infrastructure Systems

ID: a385beea-897f-5722-9fbe-86d15f5ca6dd

STIX ID: report--a385beea-897f-5722-9fbe-86d15f5ca6dd

Feed Name: Infosecurity Magazine (News)

Threat Score
55/100

Date Published: 2026-04-20

Date Updated: 2026-04-22

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Security researchers analyzed ZionSiphon, an OT-focused malware aimed at water treatment and desalination systems that includes ICS network scanning (Modbus/DNP3/S7comm), potential modifications to chlorine dosing and pressure, USB-based propagation, and persistence mechanisms, but the sample shows incomplete protocol support and a country-validation bug that likely prevents successful payload activation.

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