Breaking the Seal: Static Deobfuscation of JSCeal's Compiled V8 Bytecode

Reported 31 Aug 2026 by otx · Severity: medium

Check Point Research developed a fully static deobfuscation pipeline to analyze JSCeal, a sophisticated cryptocurrency-focused stealer delivered as compiled V8 bytecode. The malware uses javascript-obfuscator with multiple protection layers including RC4-encrypted strings, contro