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66.220.17.200 A Haven For Swizzor

ID: 38b6c86d-f660-51d4-bcbd-1dbb0060e34f

STIX ID: report--38b6c86d-f660-51d4-bcbd-1dbb0060e34f

Feed Name: Zscaler Security Research Blog

Threat Score
65/100

Date Published: 2025-04-02

Date Updated: 2026-05-01

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This report documents active Swizzor trojan distribution: multiple malicious domains resolving to Hurricane Electric IP space (notably 66.220.17.200), domain/registrar/DNS infrastructure (Tucows, DNSMADEEASY), several PE32 payloads with MD5 hashes, URL paths used to host binaries, and observed C2/update callbacks. It highlights drive-by download and Browser Helper Object (BHO) techniques and provides IOCs for detection and remediation.

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