deserialization
Focused insecure deserialization checklist — gadget hints, safe proof, no blind RCE spray.
Skill by venkatas
Chalk Labs
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Install
Works with Claude Code, Claude apps, Codex, Cursor, Gemini CLI, GitHub Copilot, VS Code, OpenCode, Goose, Windsurf. Read the repository before you give any tool access to your data.
npx agentmarket install skill/venkatas-deserialization
Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.
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About
Reviews
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Permissions
What this skill can do and what it asks for, from its SKILL.md. Checked Oct 25, 2026.
- Tools
- No tools found
- Secrets
- None asked for
- Install scripts
- None found
Network hosts it talks to 1
codeload.github.com· found in install command
Files it touches
~/.claude/skills/deserialization
What's inside
- Skill name
deserialization- Description
- Focused insecure deserialization checklist — gadget hints, safe proof, no blind RCE spray.
- License
- MIT
- Instructions
- 19 lines in SKILL.md · view on GitHub
Files (1)
- SKILL.md
SKILL.md (first lines)
# Insecure Deserialization ## Checklist - [ ] Find typed blobs: `Java` (`rO0`), .NET ViewState, PHP `O:`, Python pickle/`pickle.loads`, Ruby Marshal - [ ] Cookie / hidden field / queue / cache / session store carriers - [ ] Library fingerprint before gadget choice (ysoserial / phpggc / similar) - [ ] Prefer sleep/DNS canary over destructive payloads - [ ] Check signed/encrypted ViewState MAC before claiming forgeability ## Common bypasses - Base64 / nested encoding; alternate content-types - Signing key hard-coded or weak → forge ViewState / JWT-like wrappers - Polymorphic type discriminators trusting client `class` / `@type` (Jackson/`enableDefaultTyping`) ## Proof standard - Controlled side effect (time delay, OOB DNS/HTTP, file create in temp) attributable to the payload. - Do NOT spray public RCE gadgets against production without authorization scope; document canary proof first.
From venkatas/vikramaditya, MIT.
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Convert PDF/PPTX/DOCX/HTML evidence to Markdown with markitdown_helper for LLM ingest.
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api-authz-matrix
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API authorization matrix — roles, IDOR/BOLA, BFLA, mass-assignment.
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sqli
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Focused SQLi checklist — detection differentials, contexts, sqlmap handoff, proof standard.
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attack-surface-map
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Attack-surface mapping — hosts, endpoints, params, tech stack, JS/API specs.
SkillBFreshness: B★ 1Claude Code +9 - 0.541score
ctf-coverage-notes
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Optional CTF coverage map.
SkillBFreshness: B★ 1Claude Code +9 - 0.541score
cloud-iam-notes
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Optional cloud IAM posture notes.
SkillBFreshness: B★ 1Claude Code +9 - 0.536score
lfi-traversal
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Signals
- Stars
- 1
- Forks
- 1
- Open issues
- 0
- Last commit (this folder)
- Sep 7, 2026 (2 months ago)
From GitHub (fetched Oct 24, 2026).
Details
- License
- MIT
- Repository
- github.com/venkatas/vikramaditya
- First seen
- Oct 24, 2026
- Last checked
- Oct 24, 2026
- Source
- GitHubgithub-graphql
More from venkatas
- 0.544score
passive-osint
venkatas
Passive OSINT / external recon checklist — CT logs, DNS, public search, Shodan-style host intel.
SkillBFreshness: B★ 1Claude Code +9 - 0.544score
http-security-headers
venkatas
HTTP request/response security header checklist — CORS, CSP, cookies, cache, redirect chains.
SkillBFreshness: B★ 1Claude Code +9 - 0.544score
cloud-metadata-imds
venkatas
Cloud instance metadata (IMDS) exposure via SSRF/misconfig — AWS/GCP/Azure.
SkillBFreshness: B★ 1Claude Code +9 - 0.544score
storage-exposure
venkatas
Cloud storage exposure checklist — S3/GCS/Azure Blob public ACLs, listing, signed-URL abuse.
SkillBFreshness: B★ 1Claude Code +9 - 0.544score
api-authz-hadrian
venkatas
Run Praetorian Hadrian for API BOLA/BFLA role-matrix authz when OpenAPI + roles/tokens are available.
SkillBFreshness: B★ 1Claude Code +9 - 0.542score
doc-ingest
venkatas
Convert PDF/PPTX/DOCX/HTML evidence to Markdown with markitdown_helper for LLM ingest.
SkillBFreshness: B★ 1Claude Code +9
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Cite this page
deserialization skill. Agent Mart. https://agentmart.dev/skills/venkatas-deserialization (last updated 2026-10-24)