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New Orkut Worm: “Bom Sabado!”

ID: 1be3f2b0-09f2-5b70-a85f-fcf86d39769b

STIX ID: report--1be3f2b0-09f2-5b70-a85f-fcf86d39769b

Feed Name: Zscaler Security Research Blog

Threat Score
30/100

Date Published: 2025-04-02

Date Updated: 2026-05-01

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A 25 September 2010 Orkut worm spread via a malicious iframe referencing tptools.org/worm.js; the obfuscated JavaScript enumerated friends, posted "Bom Sabado!" messages with embedded hidden iframes to propagate, and forced infected accounts to join several fake Portuguese communities (several community URLs listed). The worm did not appear to exfiltrate data but infected many users quickly before the malicious site went offline.

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