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hunting-mobile-secret-and-storage-exposurelisted

Hunt a mobile app for a real credential shipped in the binary or written to storage another party can read, scoped strictly to mobile-specific sinks. Covers a live secret embedded in the app package or its resources, sensitive data written to world-or-sandbox-readable storage without encryption, a secret placed outside the platform keystore where a weaker guard protects it, data cached or logged where another app or a device-level reader reaches it, and a backup or debug path that carries sensitive data off the device. Use when reviewing the app package, its storage writes, and its logging, distinguishing a public identifier from a credential and judging whether the platform sandbox already contains the data. The embedded or stored secret is the source, a party that can read it is the sink, and a real credential exposed beyond its intended reader is the bug.
UnboundCompute/security-agent-skills · ★ 4 · AI & Automation · score 80
Install: claude install-skill UnboundCompute/security-agent-skills
# Hunting mobile secret and storage exposure: a real credential a real reader can reach Not every string that looks like a key is a secret, and not every file an app writes is exposed, so this hunt turns on two questions the noisy scanners skip: is this value actually a credential, and can a party who should not read it actually reach it. A public app identifier shipped in the binary is meant to be public; a value inside the platform sandbox is readable only by the app itself on a non-compromised device. The bug is a live credential in the package or in storage that a reachable party (another app, a device-level reader, a backup, a log sink) can read. You hunt it by finding the mobile-specific sinks and adjudicating both the value's sensitivity and the reader's reach. Stay on mobile-specific storage and packaging; server-side secret handling is a different skill. ## When to use - You have a mobile app package, its embedded resources, and the code that writes storage and logs. - You see an embedded key or token, a file written to storage, a cache, a log line, or a backup rule. - You want to know which values are real credentials and which of those a party can actually read. ## Scope check Audit only apps you own or are authorized to assess, and extract secrets only from a package or device in scope, a real embedded credential is a live secret. Treat any credential you surface as sensitive and do not use it. If you can't name the authorization, stop. ## The loop 1. **Sep