Rootable Android lab setup
Create or prepare a test emulator, route traffic to Crusader, and install the CA where modern Android networking stacks will trust it.
Mobile app security testing
Proxy, Frida, and APK analysis for authorized mobile assessments.
Crusader turns mobile interception into a repeatable workflow: provision an Android test device, install the CA into system trust, attach Frida for cert-pinning bypass, analyze APK/XAPK/APKS packages, and replay captured app traffic from the same project.
Android emulator provisioning
Frida cert-pinning bypass
mTLS extraction workflow
APK/XAPK/APKS static analysis
The mobile workflow in one place
Most mobile app testing requires a pile of disconnected tooling. Crusader keeps the proxy, device setup, certificate trust, Frida attach, app analysis, captured history, identities, and replay tools in one desktop workspace.
Cert-pinning bypass with Frida
Attach the provided Frida workflow for common pinning paths, then capture API traffic in History and Site Map.
Static package review
Inspect APK, XAPK, and APKS packages for exported components, permissions, deep links, headers, keys, native strings, and endpoints.
Turn app traffic into web tests
Send mobile API calls to Repeater, compare identities, test authorization boundaries, and promote evidenced findings.
Start with an authorized app
Mobile interception is powerful and should be used only on apps and environments you are allowed to test. Define target scope first, keep active replay bounded, and treat extracted client certs, tokens, and device secrets as sensitive engagement data.
crusader mobile analyze .\target.apk
crusader mobile provision --android
crusader proxy start
crusader mobile frida pinning-bypass --target com.example.app
Kill cert pinning and intercept mobileAndroid emulator setup, CA trust, Frida attach, and capture verification.
Extract mTLS client certsWhen the cert is exportable, capture it and replay app requests from Repeater.
Static app analysisAPK/XAPK/APKS package triage for endpoints, deep links, permissions, and secrets.
Target scope and safetySet the boundaries before active mobile replay.
Why this matters for web security
Mobile apps are often just specialized clients for the same web APIs. Once Crusader captures those requests, the rest of the web testing workflow applies: repeater edits, identity replay, passive scanning, SQL investigation, OAST proof, and reporting.
Find hidden mobile endpoints
Static analysis and captured app traffic reveal API paths that are not visible from the browser frontend.
Test BOLA from real app calls
Capture account A and account B, then replay object-level requests across identities to prove authorization gaps.
Separate leads from findings
Use static strings, custom headers, and endpoints as leads, then confirm impact with captured traffic and scoped replay.
Keep browser and app paths distinct
Use mobile routing for app traffic, and Crusader's built-in test browser when browser-like JA3 behavior matters.
Related topic hubs
Mobile bugs often become web API bugs once you have the traffic. These hubs link the next steps.
Build a repeatable mobile lab.
Download Crusader free for the core proxy workflow. Start the Hunter Pro trial in-app when you need mobile provisioning, Frida, app analysis, mTLS workflows, and active proof replay.
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