: When an administrator or an automated script processes the archive (e.g., using a loop to list or extract files), the shell may execute the code embedded in the filename through command injection.
Audit and eliminate unsafe shell patterns in administrative scripts that process user-provided files. Fimbul.rar
: Inside the archive, the file itself is hollow. The danger lies in its name, which contains Base64-encoded Bash code . : When an administrator or an automated script
: Because many security engines scan contents and not filenames , this "archive-borne" attack often bypasses initial perimeter defenses. Fimbul.rar