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“ce.ms” Free Domains Are Hosting Malicious Codes

ID: f767c10f-2a59-5c45-bdbc-665dfc8a6210

STIX ID: report--f767c10f-2a59-5c45-bdbc-665dfc8a6210

Feed Name: Zscaler Security Research Blog

Threat Score
65/100

Date Published: 2025-04-02

Date Updated: 2026-05-01

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The blog post details an active malicious campaign that registers random free ".ce.ms" domains to host heavily obfuscated JavaScript which, when visited, delivers the Blackhole exploit kit to exploit client-side vulnerabilities; multiple example URLs and code snapshots are provided and the obfuscation technique (spreading numeric arrays across many lines) is highlighted as an evasion method.

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