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News > Attacks & Threats > Placeholder third-party[.]com Referenced Across 1,700+ Repositories Now Serves Malicious Content

Placeholder third-party[.]com Referenced Across 1,700+ Repositories Now Serves Malicious Content

The "third-party[.]com" domain, commonly used as a documentation placeholder, has been observed serving a ClickFix lure to Windows browsers while displaying a harmless decoy to other users.

"third-party[.]com has been a generic documentation placeholder for years, the same role example.com plays," Manifold Security's Head of Research, Ax Sharma, said. "Unlike 'example[.]com,' third-party[.]com is not IANA-reserved. Anyone could register it, and someone did. Every doc, test, and skill that hard-coded it now points readers at attacker infrastructure."

As of writing, the domain has been marked as malicious and unsafe on both VirusTotal and Google's Safe Browsing list.

ClickFix is a social engineering attack technique in which either malicious or legitimate-but-compromised websites display error messages, browser alerts, or CAPTCHA verification prompts, tricking users into copying and executing hidden commands via the Windows Run dialog or Terminal to "fix" the issue. More here

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