Piet Koopman @PietKoop
Joined August 2023-
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🚨 EIP-7702 auto‑drain case Leaked key → delegated to a malicious 7702 contract. After bridging, the contract fallback auto-forwarded native token in the same tx—no attacker tx needed. Looks like a bridge issue, but the wallet was already compromised. Takeaways: - Phishers love…
🚨 EIP-7702 auto‑drain case Leaked key → delegated to a malicious 7702 contract. After bridging, the contract fallback auto-forwarded native token in the same tx—no attacker tx needed. Looks like a bridge issue, but the wallet was already compromised. Takeaways: - Phishers love… https://t.co/2A5yToF0U1
The "Critical" Chrome GPU bug (CVE-2025-9478) is suspicious. Background: Google Big Sleep recently patched a bunch of high/critical issues in privileged Chrome GPU (their new AI fuzzer). I looked at the code. All the issues require such an uncommon platform functionality, it's…
🚨 New Templates Bounty Issue 💰 CVE-2025-6554 - Google Chrome - Type Confusion 💰 👾 Issue: github.com/projectdiscove… #bugbounty #NucleiTemplates #cve #opensource
🚨 New Writeup Alert! 🚨 " $10,000 Google Bug Bounty: How a Deserialization RCE in AppSheet Could Have Led to Remote Code…" by Yeswehack is now live on IW! Check it out here: infosecwriteups.com/955b0a2e840b #bugbountyhunting #adityasunny06 #remotecodeexecution…
zero‑click iMessage exploit? 🕵️♂️ I diffed iOS 18.3 vs 18.3.1, uncovered the logic flaw and dropped RE walkthrough and forensic tips so you can trace it too. jaybird1291.github.io/blog-cyber/en/…
@rohanpaul_ai It's more readable here: github.com/Klaudioz/claud…
Grok 4 is a GENIUS stock trader. But most people don't know how to use it. Here are 10 prompts to use for stock trading automation:
A short GitHub repository explaining on weaponizing WSL file extensions github.com/dmcxblue/WSL-P… #redteam
A Brief Analysis of Chrome's 0day CVE-2025-6554 in the Wild ti.qianxin.com/blog/articles/…
Buffer Overflow (GPU process) in Chrome Windows Media Foundation Encode Accelerator (reward: $15000) crbug.com/409619251
Exploited ITW (CVE-2025-6558)[427162086]Incorrect validation of untrusted input(transform feedback buffer modification) chromium-review.googlesource.com/c/angle/angle/… chromereleases.googleblog.com/2025/07/stable… Reported by Clément Lecigne(@_clem1) and Vlad Stolyarov(@vladhiewsha)
Kimi K2 is basically DeepSeek V3 but with fewer heads and more experts:
Chrome lies. Safari lies. No single RFC covers all the flaws in cookies parsing. Don’t miss my talk “Cookie Chaos: Exploiting Parser Discrepancies” at @Steel_Con track 2 at 16:30-17:30
These 3 blogs will make you DANGAREOUS in Web3. If you are a dev or auditor and actually trying to level up - stop scrolling and start reading: 1. rareskills.io/blog 2. dacian.me 3. mixbytes.io/blog Read with intent. Crazy content ✌️
⚠️⚠️ CVE-2025-32023: Redis Vulnerability Opens Door to Remote Code Execution 🎯1.3m+ Results are found on the en.fofa.info nearly year. 🔗FOFA Link: en.fofa.info/result?qbase64… FOFA Query:app="redis" 🔖Refer:github.com/redis/redis/se… github.com/redis/redis/co… #OSINT #FOFA…
0-day Google Chrome Sandbox Escape issues.chromium.org/issues/4051430…
🔥🔥🔥 "Speculative Optimizations for WebAssembly using Deopts and Inlining" - Daniel Lehmann and Matthias Liedtke v8.dev/blog/wasm-spec…
Mutation-Based XSS + V8 type confusion + V8 sandbox escape = RCE on Basecamp. Disclosed it on Hackerone: hackerone.com/reports/2819573 go read the comments if you wanna see what a week of exploit dev pain looks like.
Quimera 🛠️ data-driven exploit generation tool for Ethereum smart contracts using LLMs and Foundry. github.com/gustavo-grieco…
A standardized framework for verifying the security of smart contract 🫡 github.com/ComposableSecu…
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