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ios-reverse-engineering

Extract and analyze iOS IPA, .app bundles, Mach-O binaries, .dylib, and .framework files using ipsw, otool, strings, radare2/rizin, and Ghidra headless. Reverse engineer iOS apps, extract HTTP API endpoints (URLSession, Alamofire, Moya, AFNetworking, GraphQL, WebSocket), trace call flows from ViewControllers to network layer, analyze security patterns (ATS, cert pinning, keychain, jailbreak detection), audit static iOS vulnerabilities (insecure local storage, WebView/JS-bridge, deeplink/URL-scheme hijack, weak crypto/RNG, biometric-bypass patterns, sensitive-data logging, ATS detail, privacy/tracking, entitlements risk, debug artifacts), deep-scan for cloud & SaaS credentials (Firebase, AWS, GCP, Azure, Stripe, GitHub, GitLab, Twilio, SendGrid, Slack, Telegram, web3) with false-positive minimization (placeholder allowlist, format/entropy validation, client-safe tagging), perform LLM-assisted binary reversing analysis with Ghidra scripts, fingerprint embedded third-party SDKs with CVE checking, and detect anti-tampering protections (obfuscation, anti-debug, dylib injection prevention, integrity checks). Use when the user wants to extract, analyze, or reverse engineer iOS packages, find API endpoints, follow call flows, audit app security or vulnerabilities, scan for leaked secrets, identify third-party SDKs, detect app protections, or perform deep binary analysis.

skills/ios-reverse-engineering/SKILL.md

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Jul 1, 2026
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# iOS Reverse Engineering

Extract and analyze iOS IPA files, .app bundles, Mach-O binaries, dynamic libraries, and frameworks using ipsw (blacktop/ipsw), otool, strings, radare2/rizin, and Ghidra headless. Trace call flows through application code, analyze security patterns, deep-scan for cloud provider credentials (Firebase, GCP, AWS, Azure), perform LLM-assisted binary reversing with decompilation and Ghidra headless scripts, fingerprint embedded third-party SDKs with version detection and CVE cross-referencing, and detect anti-tampering protections (obfuscation tools, anti-debugging, dylib injection prevention, integrity checks, jailbreak detection). Produce structured documentation of extracted APIs and security findings. Works with both Swift and Objective-C applications.

## Prerequisites

This skill requires **ipsw** (which includes class-dump functionality and much more) and, on macOS, the standard developer tools (**otool**, **strings**, **plutil**, **codesign**) via Xcode Command Line Tools. For deep binary analysis, **radare2** (or **rizin**) is recommended; **Ghidra headless** is optional for advanced decompilation. **On Linux**, `ipsw` provides cross-platform Mach-O analysis, entitlements, class-dump and thinning; `libplist`/`plistutil` (or `python3` plistlib) provide plist parsing; `binutils` provides `strings`/`nm`. `otool`/`codesign`/`plutil`/`PlistBuddy`/`lipo` are macOS-only and the scripts fall back to `ipsw`/`plistutil`/`python3` automatically — no macOS tools required on Linux. Run the dependency checker to verify:

```bash
bash ${CLAUDE_PLUGIN_ROOT}/skills/ios-reverse-engineering/scripts/check-deps.sh
```

If anything is missing, follow the installation instructions in `${CLAUDE_PLUGIN_ROOT}/skills/ios-reverse-engineering/references/setup-guide.md`.