270K websites injected with ‘JSF-ck’ obfuscated code

Nearly 270,000 websites have been compromised with malicious JavaScript injections obfuscated using a unique method known as “JSF-ck,” Palo Alto Networks’ Unit 42 revealed Thursday. JSF-ck uses only six ASCII characters to produce working JavaScript code — opening and closing parenthesis, opening and closing brackets, exclamation point and dollar sign.

Source: SC Magazine

 

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