SilverStr

Dana Epp's Blog

Security (de)engineering for fun and profit

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  • January 30, 2024

    Detecting Uncommon Headers in an API using Burp Bambda Filters

    Detecting Uncommon Headers in an API using Burp Bambda Filters

    Learn how to write Bambda filters in Burp Suite that can automatically detect uncommon headers in the APIs you are testing.

  • January 23, 2024

    From Tsunami to Twitter: How Rigorous API Testing Can Prevent Critical System Outages During Disasters

    From Tsunami to Twitter: How Rigorous API Testing Can Prevent Critical System Outages During Disasters

    Restricting emergency alerts during a disaster due to rate limiting is in itself a disaster. Learn how to look for this during your API testing.

  • January 16, 2024

    The No-Nonsense Guide to Bypassing API Auth Using NoSQL Injection

    The No-Nonsense Guide to Bypassing API Auth Using NoSQL Injection

    Use this simple guide to learn how to use NoSQL injection to bypass the authentication in the APIs you are testing.

  • January 10, 2024

    Beyond the Crystal Ball: What API security may look like in 2024

    Beyond the Crystal Ball: What API security may look like in 2024

    No soothsayer can predict what the threat landscape may look like in 2024. But check out these predictions of what API security may look like.

  • January 2, 2024

    Exploiting an API with Structured Format Injection

    Exploiting an API with Structured Format Injection

    Learn how to use Structured Format Injection (SFI) through Server Side Parameter Pollution (SSPP) to exploit an API.

  • December 19, 2023

    That time I broke into an API and became a billionaire

    That time I broke into an API and became a billionaire

    Read an intriguing real world story about how tainted data and API abuse can lead to the perfect digital bank heist.

  • December 12, 2023

    Finding “dark data” in an API

    Finding “dark data” in an API

    Learn how to find “dark data” in the responses to API calls you make during your security testing engagements.

  • December 5, 2023

    Writing Burp Bambda Filters Like a Boss

    Writing Burp Bambda Filters Like a Boss

    Learn how to write your own Bambda filters in Burp Suite to do complex filtering of your proxy HTTP history.

  • November 28, 2023

    Using Chaos Engineering To Hack An API

    Using Chaos Engineering To Hack An API

    Learn how to use chaos engineering to break an API on purpose to find new types of vulnerabilities that you don’t normally find in testing.

  • November 21, 2023

    Uncovering Elusive API Targets via VHOST Discovery

    Uncovering Elusive API Targets via VHOST Discovery

    Learn how to uncover elusive dev, test, and production instances of an API hidden behind virtual hosting through VHOST discovery.

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