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The Java Agent - Modifying Bytecode at Runtime to Protect Against Log4J

GOTO Conferences via YouTube

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This presentation explains how Java agents instrument applications at startup or while they are running. A bytecode modification demo shows how to patch Log4j at runtime, alongside an explanation of JNDI-related risks.

Syllabus

Intro
java.langinstrumentation
Dynamically attaching
JBOM Demo
Static attaching
RASPs
Log4J interpolation
What is JNDI
What a malicious JNDI server can do
Patching Log4J at runtime
Vulnerability Demo
Links
Outro

Taught by

GOTO Conferences

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