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IDS Scan Detection Rules

detecting-network-scanning-with-ids-signatures

mukul975/Anthropic-Cybersecurity-Skills

Detect early network reconnaissance by deploying Suricata/Snort signatures, threshold rules, and anomaly checks for Nmap, Masscan, and custom scan patterns to alert SOC teams before attacks progress.

JWT Algorithm Confusion Exploit

exploiting-jwt-algorithm-confusion-attack

mukul975/Anthropic-Cybersecurity-Skills

Automates testing for JWT algorithm confusion vulnerabilities by downgrading RS256 to HS256, switching alg to none, and injecting attacker-controlled keys to detect signature bypasses in token-based APIs.

Webshell Hunting Agent

hunting-for-webshells-in-web-servers

mukul975/Anthropic-Cybersecurity-Skills

Scans web server roots for high-entropy files, suspicious PHP/JSP/ASP payloads, and recent modifications to flag obfuscated webshells via entropy thresholds, regex signatures, and file metadata.

Ed25519 Signature Toolkit

implementing-digital-signatures-with-ed25519

mukul975/Anthropic-Cybersecurity-Skills

A concise implementation guide covering Ed25519 key generation, signing, verification, and comparisons with RSA/ECDSA for document, code, and API authentication workflows in secure environments.

YARA Rule Detection

performing-yara-rule-development-for-detection

mukul975/Anthropic-Cybersecurity-Skills

Develop precise YARA/YARA-X signatures by extracting strings, imports, and byte patterns from PE samples to detect malware while minimizing false positives during assessments, IR, and security audits.

UEFI Bootkit Persistence Forensics

analyzing-uefi-bootkit-persistence

mukul975/Anthropic-Cybersecurity-Skills

Documented workflow for analyzing persistent UEFI bootkits, covering SPI firmware dumping, EFI System Partition inspection, Secure Boot variable auditing, known bootkit signature scanning, and Secure Boot bypass detection with chipsec and YARA.

Node.js Ethereum Hashing Fix

nodejs-keccak256

affaan-m/everything-claude-code

Ensures Node.js projects compute Ethereum Keccak-256 hashes instead of incorrect SHA3-256 by guiding developers to use ethers/viem/web3 helpers, preventing selector, signature, storage-slot, and address derivation bugs while easing audits.

Microsoft SDK Reference

microsoft-code-reference

MicrosoftDocs/mcp

Checks Microsoft SDK code by verifying API signatures, fetching docs, and finding Azure samples before writing or reviewing code that touches .NET or Microsoft APIs.

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