{"success":true,"data":{"ext":"ins","name":"InstallShield Script","description":"InstallShield Script (INS) is a script-based installer format created by InstallShield and currently maintained by Flexera for use with its setup-authoring tools. It is used to define installation logic, file deployment, registry changes, and other actions in Windows software installation packages. The format is generally safe, but it is associated with legacy installer workflows and should be opened only from trusted software vendors.","mime":[],"risk_level":"Safe","signatures":[{"hex":"B8 C9 0C 00","offset":0,"sources":[{"name":"Gary Kessler","url":"https://www.garykessler.net/library/file_sigs_GCK_latest.html"}]}],"related":[],"usage":{"python":"def is_ins(file_path: str) -> bool:\n    \"\"\"Check if file is a valid INS by magic bytes.\"\"\"\n    signature = bytes([0xB8, 0xC9, 0x0C, 0x00])\n    with open(file_path, \"rb\") as f:\n        return f.read(4) == signature","node":"function isINS(buffer: Buffer): boolean {\n  const signature = Buffer.from([0xB8, 0xC9, 0x0C, 0x00]);\n  return buffer.subarray(0, 4).equals(signature);\n}","go":"func IsINS(data []byte) bool {\n    signature := []byte{0xB8, 0xC9, 0x0C, 0x00}\n    if len(data) < 4 {\n        return false\n    }\n    return bytes.Equal(data[:4], signature)\n}"}}}