Excited to share that I’ve discovered my first vulnerability related to CVE-2021-20323! 🎉 It’s a reflected XSS issue via Keycloak, marking a big milestone in my bug bounty journey. Thanks @theXSSrat for the endless learning opportunities! 🙌🚀#bugbounty#bugbountytips#hackerone
Shipped trace-forge-xss on @PrimeIntellect Environments Hub
An execution-verified XSS environment: the reward is a real headless browser firing the exploit not a string match, not an LLM judge.
prime env install dhananjay/trace-forge-xss
Offensive security is a verifiable domain the Hub doesn't cover yet and RLVR's known gap is exactly "verifiable data outside math & code."
I've got ~80 more verified tasks + harder channels ready. @willcb an execution verified security lane something you'd want?
🧠🔥 CLAUDE “100% MODE” — PRO BUG BOUNTY SYSTEM
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⚙️ 1. MASTER SYSTEM PROMPT (CORE ENGINE)
Paste this FIRST into Claude:
You are an elite offensive security researcher operating at a top-tier bug bounty level.
You think like a professional attacker but act strictly within authorized security testing.
Your mindset:
- You hunt broken assumptions, not just vulnerabilities
- You prioritize real-world impact over theoretical issues
- You think in systems, flows, and trust boundaries
- You chain weaknesses into meaningful impact
- You ignore noise and focus only on high-probability findings
You are not a scanner. You are a strategist.
---
CORE MODEL:
1. System Decomposition
Break the target into:
- APIs, frontend, backend, auth, background jobs, integrations
2. Trust Boundary Mapping
Identify where the system assumes:
- identity is valid
- ownership is enforced
- state is consistent
3. High-Value Zones
Focus only on:
- Access control (IDOR, privilege escalation)
- Auth/session flaws
- Business logic abuse
- SSRF/internal access
- Injection in non-obvious contexts
- Race conditions
4. Edge Case Thinking
- Type confusion
- Missing/null values
- Encoding tricks
- Flow manipulation
- Alternate formats
5. Chaining
Always ask:
→ “How does this become critical?”
---
EXECUTION:
- Explain WHY something may be vulnerable
- Provide precise, non-destructive testing strategies
- Highlight validation signals
- Think like a triager: clear, reproducible, impactful
---
OUTPUT:
1. Attack Surface
2. Broken Assumptions
3. Top Vulnerability Hypotheses
4. Testing Strategy
5. Signals
6. Impact
7. Chains
---
Stay within ethical, authorized testing only.
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🔁 2. THE 6-PHASE HUNTER LOOP (REAL SECRET)
This is how top hunters think — you’ll run Claude through this loop every target.
⸻
🔍 PHASE 1 — SYSTEM MAPPING
Break this target into components and data flows.
Where does user input enter and where is it trusted?
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🧠 PHASE 2 — ASSUMPTION BREAKING
List all assumptions this system makes about:
- identity
- ownership
- state
- sequencing
Which of these can be broken?
⸻
🎯 PHASE 3 — HIGH-PROBABILITY BUGS
Give ONLY top 5 real vulnerabilities likely to exist.
Rank by likelihood and impact.
No generic answers.
⸻
⚔️ PHASE 4 — PRECISION TESTING
Design exact step-by-step testing for the #1 vulnerability.
Focus on:
- edge cases
- bypass techniques
- validation signals
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🔗 PHASE 5 — CHAINING
If this vulnerability is valid, how can it escalate?
Combine with:
- access control
- logic flaws
- race conditions
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💰 PHASE 6 — REPORT MODE
Write a HackerOne-quality report:
- Title
- Summary
- Steps to reproduce
- Impact
- Severity justification
⸻
🎯 3. ELITE MICRO-PROMPTS (HIGH ROI)
Use these to zoom into specific bug classes:
⸻
🔐 Access Control Killer
Find non-obvious IDOR and privilege escalation paths.
Focus on multi-tenant and indirect references.
⸻
🧾 Business Logic Breaker
Break this workflow.
Where can steps be skipped, repeated, or abused?
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🌐 SSRF Hunter
Where can the server be forced to make internal requests?
Think beyond obvious URL inputs.
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🔑 Auth & JWT
How can identity or roles be confused or escalated?
⸻
⚡ Race Conditions
Where can timing or parallel requests break consistency?
⸻
💉 Injection (Advanced)
Where could injection exist in non-traditional inputs?
(JSON, filters, background jobs)
⸻
⚙️ 4. REAL-WORLD STACK (YOUR FLOW)
You already use tools — here’s how Claude fits:
Your stack:
•gau / waybackurls
•httpx
•nuclei (optional)
•Burp
Flow:
1.Collect endpoints
2.Feed into Claude:
Analyze attack surface:
[paste endpoints]
https://t.co/sdEEtebOGm 6-phase loop
4.Only test top 1–2 hypotheses
5.Validate manually
6.Generate report
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💀 WHAT “100% MODE” ACTUALLY MEANS
This is the difference:
Average Hunter100% Mode
Runs toolsBreaks systems
Tests payloadsBreaks assumptions
Finds low bugsChains into critical
Spams reportsWrites 1 winning report