hi i'm april :3

I'm a reverse engineer, JVM hacker and OpenJDK contributor based in Manchester. I like pulling things apart to understand how they work: compilers, runtimes, obfuscators, whatever catches my attention.

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recent writingview all
Hijacking the VM's JITDec 18, 2025
Exploring how HotSpot's JIT trusts compiled code, and how we can abuse that
VM Instrumentation Without an AgentNov 8, 2025
How to get java.lang.instrument.Instrumentation without -javaagent
Reversing JNI: Part 1Aug 7, 2025
Going over the basics of the JVM and how to reverse engineer JNI libraries.
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