<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:content="http://purl.org/rss/1.0/modules/content/"><channel><title>ALAC on +5 Security Research</title><link>https://overkazaf.github.io/blogs/tags/alac/</link><description>Recent content in ALAC on +5 Security Research</description><generator>Hugo</generator><language>zh-cn</language><lastBuildDate>Thu, 04 Jun 2026 00:00:00 +0000</lastBuildDate><atom:link href="https://overkazaf.github.io/blogs/tags/alac/index.xml" rel="self" type="application/rss+xml"/><item><title>五个函数，一条链 - Apple FairPlay DRM 的 Frida 逆向全记录</title><link>https://overkazaf.github.io/blogs/posts/fairplay-drm-frida-reversing/</link><pubDate>Sun, 10 May 2026 00:00:00 +0000</pubDate><guid>https://overkazaf.github.io/blogs/posts/fairplay-drm-frida-reversing/</guid><description>通过 Frida 动态插桩 + IDA Pro 静态分析，逐步还原 Apple Music for Android 的 FairPlay DRM 解密调用链：从 Java 层 FootHillDecryptionKey 到 Native 层 SVFootHillSessionCtrl 的 5 个关键函数，最终定位白盒 AES 解密入口 NfcRKVnxuKZy04KWbdFu*** 并实现加密 ALAC 样本的流式 dump</description></item></channel></rss>