Vidar Uses Custom Bytecode Interpreter and ARX Stream Ciphers for Per-Build String Obfuscation

Vidar information stealer has introduced a lightweight custom virtual machine and per-build stream-cipher variations to conceal its embedded strings, raising the cost of static detection and automated reverse engineering. First observed in 2018, Vidar remains a widely tracked credential-stealing malware family. Its operators continually alter... Weiterlesen