{
  "added_at": "2026-11-08",
  "additional_evidence_urls": [
    "https://github.com/ayuanjc/sony-a7m3-firmware-analysis/blob/6cc4c7875cbd890a7d68c8b0df8c52bd56a53789/ANALYSIS.md"
  ],
  "category": "reconstruction-cases",
  "class": "hardware",
  "description_en": "Sony A7 III firmware analysis maps the packaging of Update_ILCE7M3V404.exe from a Packman self-extractor through an inverted MSCF CAB to a UFU TLV container. The write-up records offsets, tags and CRC coverage, and a Python script reproduces extraction and structural checks. The FDAT firmware body remains encrypted.",
  "description_zh": "Sony A7 III 固件分析梳理了 Update_ILCE7M3V404.exe 从 Packman 自解压层、按位取反的 MSCF CAB 到 UFU TLV 容器的封装链。文档记录偏移、标签和 CRC 覆盖范围，Python 脚本可复现提取与结构检查；FDAT 固件主体仍为密文。",
  "entry_url": "https://awesomerea.org/resources/sony-a7m3-firmware-analysis-case/",
  "entry_url_zh": "https://awesomerea.org/zh/resources/sony-a7m3-firmware-analysis-case/",
  "evidence_class": 2,
  "evidence_status": "observed",
  "evidence_url": "https://github.com/ayuanjc/sony-a7m3-firmware-analysis/blob/6cc4c7875cbd890a7d68c8b0df8c52bd56a53789/README.md",
  "group": "cases",
  "id": "sony-a7m3-firmware-analysis-case",
  "json_url": "https://awesomerea.org/resources/sony-a7m3-firmware-analysis-case/record.json",
  "kind": "case-study",
  "markdown_url": "https://awesomerea.org/resources/sony-a7m3-firmware-analysis-case/index.md",
  "markdown_url_zh": "https://awesomerea.org/zh/resources/sony-a7m3-firmware-analysis-case/index.md",
  "name": "Sony A7 III: firmware updater packaging and UFU container analysis",
  "name_zh": "Sony A7 III：固件更新程序封装与 UFU 容器分析",
  "record_type": "resource",
  "relationship": "independent-reconstruction",
  "requirement_facets": [
    "prerequisites",
    "limits",
    "license"
  ],
  "requirements": [
    "Python 3.9 or later and a local copy of Update_ILCE7M3V404.exe; 7-Zip is optional for CAB expansion.",
    "The FDAT payload is encrypted and the script does not decrypt it.",
    "CC BY 4.0 license."
  ],
  "requirements_zh": [
    "需要 Python 3.9 或更新版本及本地 Update_ILCE7M3V404.exe；展开 CAB 时可选用 7-Zip。",
    "FDAT 载荷仍为密文，脚本不执行解密。",
    "采用 CC BY 4.0 许可证。"
  ],
  "scope": "unknown",
  "targets": [
    "firmware"
  ],
  "url": "https://github.com/ayuanjc/sony-a7m3-firmware-analysis",
  "verification": "source-reviewed",
  "verified_at": "2026-11-06"
}