offensive-deserialization
Insecure deserialization exploitation across Java, PHP, .NET, Python, Node.js, and Ruby. Covers gadget chain construction with ysoserial/phpggc/ysoserial.net, ObjectInputStream and BinaryFormatter sink identification, pickle __reduce__ RCE, phar:// wrapper abuse, Jackson polymorphic typing, Json.NET TypeNameHandling, ViewState tampering, node-serialize IIFE injection, Ruby Marshal.load and YAML.load gadgets, framework-specific chains for Spring/Hibernate/Laravel/Symfony, modern attack surfaces including Kubernetes admission webhooks and message queue consumers, WAF bypass through encoding layers and content-type manipulation, and serialVersionUID/JMX/RMI vectors. . Use when performing authorized red-team, pentest, or research work involving deserialization.
- Compatibility
- claude-code codex opencode
Pinned to revision 626b01ddea63, so it is the text this page describes rather than whatever the author pushed since.
Files
- skills/offensive-deserialization/SKILL.md
- skills/offensive-deserialization/LICENSE
- skills/offensive-deserialization/README.md
- skills/offensive-deserialization/agents/openai.yaml
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