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      • Junior Mobile Security Engineer
        Able to interpret data exchanges in unencrypted apps and gain limited proficiency in common programming languages.
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      • Intermediate Mobile Analyst
        Proficient in advanced tool utilization, capable of bypassing anti-debugging protections and developing custom scripts via tool APIs to enhance analytical efficiency.
      Research Tiers
      Junior VS Intermediate Analyst Comparison
    • Advanced Security ResearcherCapable of enhancing core modules in open-source reversing tools and implementing kernel-level bypasses for advanced verification mechanisms.
      • View Advanced Analyst
    • Mobile Reverse Engineering EnvironmentReverse analysis tool system customized based on Android source code， Implementation principle， Easy to use！
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  • Specialties & Utilities
      Featured Topics
      • Native Hook
        Fix the structure and function table of C++
      • Kernel Hook
        Develop based on the kernel hook framework.
      • Memory CRC
        Memory checksum verification bypass and anti-cracking
      • IDA Pro Plugins
        Developing native or Python plugins using the IDA API
      • Frida Stalker
        Trace the execution flow of function assembly instructions
      • eBPF Development
        Kernel-level low-layer monitoring
      • All NullFlag Specialties
      Reverse Engineering Toolkit
      • gojue eCapture
        capture SSL/TLS text content without a CA.
      • stackplz Plus
        eBPF-based stack tracing tool on android.
      • FRIDA-DEXDump
        A frida tool to find and dump dex in memory.
      • deReferencing plugin
        IDA plugin implements new registers and stack views.
      • All intergrations
      BUNDLES
      • Hex-Ray Usage we’ll explore the essentials of IDA capabilities to kickstart your journey and disassemble your first binary file
      • See User Guide
      • MORE
      • Hex-Ray Release Notes
      • C++ SDK
      • IDAPython SDK
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      • NullFlag Academy
        Videos, books, and resources to help you master tips.
      • Blog
        Blog articles with the latest news and tips.
      • Knowledge Base
        A support network to help you make the most to Base.
      • Frida Release Notes
        You can promptly receive updates on our latest news.
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        There is include our all help documents , you can find you needed content by searching.
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    • Problem Assistance and Tutoring ServicesIf you encounter difficult issues, you can submit your questions to us. We will respond within a guaranteed timeframe .
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Labrador Retriever

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Russian Blue

Russian Blue

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