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x.comrepo🛡️ Security

Dark Web Informer (@DarkWebInformer) on X

Infoooze is an open-source command-line OSINT reconnaissance toolkit (github.com/devxprite/infoooze) that consolidates common footprinting tasks into one CLI: username enumeration across platforms, email discovery, subdomain enumeration, port scanning, WHOIS/DNS lookups, IP/HTTP header analysis, EXIF metadata extraction, GitHub recon, and URL scanning/expansion. It automatically saves results, making it a lightweight all-in-one alternative to running several separate recon tools.

GitHub

OSINT· Published and added 8 Oct 2026

github.comrepo🛡️ Security

chainguard-dev/malcontent

malcontent is Chainguard's open-source malware/supply-chain discovery tool that analyzes binaries (ELF, Mach-O, PE, a.out) and scripting-language source across Linux, macOS and Windows using 14,500+ YARA rules (including third-party rules from Avast, Elastic, FireEye, Mandiant, Nextron and ReversingLabs). Its standout feature is differential analysis ("mal diff"), which compares two versions of a build artifact or OCI image against a known-good baseline to surface newly introduced risky behaviors — the technique the project demonstrates on the 3CX supply-chain compromise by flagging unexpected high-risk changes to libffmpeg. It also supports threshold-based scanning ("mal scan") and unfiltered capability enumeration ("mal analyze"), and is designed to run inside CI/CD pipelines, including air-gapped environments via embedded rules.

YARAGoRust+4
3CX Compromise

Supply Chain, Malware & RE, Blue Team & Detection· Added 8 Oct 2026

github.comrepo🛡️ Security

MITRE ATLAS v2026.08 release — autonomous agent techniques

Release notes for MITRE ATLAS v2026.08, the adversarial AI/ML knowledge base (now 1 matrix, 16 tactics, 114 techniques, 83 sub-techniques, 39 mitigations, 72 case studies). This version renames the "AI Attack Staging" tactic to "AI Attack Adaptation," generalizes several techniques (e.g., Cloud Service Discovery → Enterprise Resource Discovery, Process Discovery → Enterprise Environment Discovery, Reverse Shell → Cyber Communication Channel), and updates mitigations and techniques like LLM Prompt Crafting and Retrieval Content Crafting.

MITRE ATLAS
AI Attack AdaptationAI Attack StagingEnterprise Resource Discovery+8

AI Security· Added 1 Oct 2026

github.comrepo🛡️ Security

FirmAgent: Fuzzing + LLM Agents for IoT Firmware Vulnerability Discovery (NDSS 2026)

FirmAgent is an academic research toolkit (NDSS 2026) for finding vulnerabilities in re-hosted IoT firmware web services by combining IDA-based pre-fuzzing (CFG/sink distance scoring), QEMU instrumented tracing, CFG-guided API fuzzing, and an optional LLM agent (LLMATaint.py) that consumes runtime taint traces to reason about and produce PoCs for bug classes like command injection. The pipeline is explicit about scope: it is meant for authorized, owned or re-hosted firmware (e.g. Greenhouse-style containers), and stitches together sink-scope extraction, feedback-driven fuzzing, and request-to-trace attribution before handing traces to an LLM for taint-to-PoC analysis.

QEMUDockerPython+1
command injection

Hardware & RF, AI Security, Offensive Security· Added 26 Sep 2026

github.comrepo🛡️ Security

MITRE ATLAS v2026.09 data release

Release changelog for MITRE ATLAS's atlas-data repository, the structured YAML/STIX dataset behind the ATLAS knowledge base of adversary tactics and techniques targeting AI-enabled systems (prompt injection, model/data poisoning, AI agent tool abuse, AI supply chain compromise). The v2026.09 release brings the matrix to 120 techniques, 88 sub-techniques, 40 mitigations, and 73 case studies, and recent versions introduced a new v6 YAML data format with Pydantic/SQLAlchemy/FastAPI tooling, platform tagging (Predictive AI, Generative AI, Agentic AI, Enterprise), and renamed/generalized techniques like "AI Agent Tool Poisoning," "Manipulate AI Model," and "Enterprise Resource Discovery." It's the canonical, actively-maintained taxonomy practitioners use for AI red-teaming, threat modeling, and mapping real-world AI attack case studies.

MITRE ATLAS
AML.T0019AML.T0058AML.T0104

AI Security· Added 26 Sep 2026

github.comrepo🧠 AI

MCP Python SDK v2.2.0

Release notes for MCP Python SDK v2.2.0, the reference Python implementation of the Model Context Protocol. Key changes: HTTP client redirects are now restricted to the same origin as the endpoint, idle Streamable HTTP sessions expire after 30 minutes (with a 10,000-session cap), OAuth authorization server metadata issuer checks are now enforced on the legacy discovery path, and new deprecation warnings push toward requiring explicit `issuer=` and `validate_token_resource` settings ahead of a 3.0 release.

Model Context ProtocolPython

mcp· Added 26 Sep 2026

github.comrepo🛡️ Security

Shor

Shor is a source-available, multi-tenant autonomous pentesting platform where a ~17-agent LLM pipeline (discovery, hypothesis, adversarial screening jury, exploitation, proof replay) attacks a target URL and optionally its connected source repo. It wields 30+ real offensive tools (sqlmap, dalfox, nuclei, jwt_tool, hydra, ffuf, etc.) plus SAST/secret/SCA tools (Semgrep, Gitleaks, TruffleHog, OSV-Scanner, Trivy) in white-box mode, and only reports findings whose PoC is deterministically re-executed and confirmed by a code-enforced safety layer under a signed Rules of Engagement, with scan authorization gated behind single-use human-minted tokens on its MCP/automation surface.

SemgrepGitleaksTruffleHog+3
MITRE CAPECPolyForm Noncommercial License 1.0.0

Offensive Security, AppSec, AI Security· Added 22 Sep 2026, published 19 Sep 2026

github.comrepo🛡️ Security

Cloudflare security-audit-skill

security-audit-skill is a Cloudflare open-source coding-agent skill that turns an AI coding agent into a structured vulnerability hunter, running six phases: reconnaissance into architecture.md/coverage-ledger.json, coverage-led hunting by isolated sub-agent "hunters," adversarial candidate validation, structured findings.json output validated against a report-schema.json, independent re-verification of claims, and target-neutral report generation (REPORT.md, FINDINGS-DETAIL.md, NEEDS-VALIDATION.md). It is installed via the Skills CLI (`npx skills add`), uses Node.js validators (validate-coverage-ledger.cjs, validate-findings.cjs), requires a sandboxed environment for safely executing target code/tests/fuzzers, and is the single-repo seed for Cloudflare's larger fleet-wide vulnerability discovery harness described in a companion blog post.

Claude CodeNode.jsCloudflare

AppSec, AI Security· Added 22 Sep 2026, published 15 Sep 2026

github.comrepo🛡️ Security

MassPIIFinder v2

MassPIIFinder v2 is a Python recon tool that automates crawling a target's in-scope JavaScript (multi-hop HTML crawl, dynamic imports, chunk manifests, sourcemaps, plus optional passive CT-log subdomain discovery) and mines it for API keys, tokens, credentials, internal endpoints, and PII using ~90 named patterns plus a high-entropy freeform heuristic. Findings are validated offline (Luhn checks, JWT decode, AWS key-shape) and via scope-checked, rate-limited reachability probes, then triaged by severity and exported as JSON/HTML/SARIF/Markdown/CSV. It enforces authorization with a required --confirm-authorized flag and a ScopeGuard that blocks any out-of-scope requests, and explicitly avoids testing leaked keys against third-party providers or exploiting findings.

PythonFlaskSQLite+1

OSINT, AppSec· Added 22 Sep 2026, published 15 Sep 2026

github.comrepo🛡️ Security

Uber ADR (Agentic AI Detection and Response)

ADR (Agentic AI Detection and Response) is Uber's open-source enterprise security system for AI agents, covering discovery of unsanctioned AI tools on endpoints, telemetry capture of agent intent/tool-use/execution traces, a benchmark (ADR-Bench: 300+ tasks, 134 MCP servers, 17 agent attack techniques), and a dual-agent detector for risky agent behavior. It is deployed in production at Uber to secure employee-facing coding agents (Cursor, Claude Code, Codex, GitHub Copilot CLI, DeepSeek) and customer-facing support agents; the accompanying paper was accepted to MLSys 2026. The prevention component and offline red-teaming engine (ADR Explorer) are not included in the open-source release.

Claude CodeCursorCodex+3
ADR-BenchAgentDojoMLSys 2026

AI Security, Blue Team & Detection· Published and added 21 Aug 2026

github.comrepo🛡️ Security

Frieren DAST-AI

Frieren DAST-AI is an open-source dynamic application security testing tool combining an HTTPS MITM proxy with a real-time dashboard and LLM-driven multi-agent active scanner. A YAML-based passive rule engine (62 rules covering headers, cookies, CORS, secrets, error pages, LLM endpoint detection, and Blazor-specific checks) flags issues on every intercepted response, while an LLM planner dispatches parallel VulnAgents (xss, sqli, ssrf, file_read, auth_bypass, secrets, discovery, llm_injection, business_logic, blazor) per endpoint, with an LLM validator confirming findings and adaptive WAF-bypass payload mutation.

ElectronPlaywrightAWS SSO

AppSec, Offensive Security, AI Security· Published and added 5 Aug 2026

github.comrepo🛡️ Security

Awesome Offensive AI Agentic Landscape

A comprehensively curated landscape document tracking the offensive AI agent space: ranked open-source pentesting/red-team agent projects (e.g. strix, shannon, VulnBot), uncensored offensive LLMs (Qwythos, WhiteRabbitNeo/DeepHat, BaronLLM) versus security-specialized but aligned models (Foundation-Sec, CyberSecQwen), Claude Code Agent Skills and MCP servers wrapping tools like Metasploit and BloodHound, 116 cross-referenced academic papers on pentest/vuln-discovery agents, capability benchmarks (Cybench, NYU CTF Bench, CyberGym), and a fact-checked Top-20 list of commercial AI pentesting vendors. It also covers competitions like the DARPA AI Cyber Challenge and Tencent's Intelligent Penetration Hackathon, positioning itself as a cross-merge of several other awesome-lists in this niche.

Model Context ProtocolClaude CodeMetasploit+3
DARPA AI Cyber ChallengeTencent Cloud Intelligent Penetration HackathonMythos

AI Security, Offensive Security· Published and added 1 Aug 2026

github.comrepo🛡️ Security

thewhiteh4t/FinalRecon

FinalRecon is a Python-based OSINT/reconnaissance tool for web targets, gathering header info, whois data, SSL certificate details, crawling, DNS enumeration, subdomain discovery, port scanning, and directory search in a single utility. It's commonly used during the recon phase of web application pentests to consolidate multiple footprinting techniques into one CLI tool.

FinalReconPython

OSINT, Offensive Security· Published and added 31 Jul 2026

github.comrepo🛡️ Security

Flowsint - OSINT Framework

Flowsint is an open-source, self-hosted OSINT investigation platform that lets analysts visually explore relationships between entities (domains, IPs, ASNs, individuals, organizations, crypto wallets, emails, phones) via a graph interface backed by automated enrichers. It integrates recon modules like reverse/forward DNS resolution, WHOIS, subdomain discovery, ASN/CIDR mapping, breach-database checks, Maigret username search, and crypto wallet transaction/NFT lookups, storing all data locally for investigation privacy. The deployment docs also cover hardening steps for network exposure, including rotating AUTH_SECRET and MASTER_VAULT_KEY, binding backend services (PostgreSQL, Redis, Neo4j, API) to localhost, and a host-header allowlist to defend against DNS rebinding.

DockerNeo4jPostgreSQL+1
DNS rebinding

OSINT· Added 3 Sep 2026, published 31 Jul 2026

github.comrepo🛡️ Security

Recon-Skills

Recon-Skills is a curated collection of SKILL.md playbooks for external web security assessments, organized into auth (SSO/OAuth/SAML/MFA), chains (multi-step attack-path analysis), infra, recon (subdomain/DNS/port/tech discovery, route/parameter/API mapping), and redteam (vulnerability-class and platform-specific validation) categories. Each skill documents prerequisites, procedure, pitfalls, and verification criteria, and the skills are designed to be followed manually or loaded as task context by an automation system for authorized penetration testing engagements. It includes a validator script (validate_skills.py) and style/contribution guides to maintain a consistent quality baseline across skills.

OAuthGraphQLKubernetes

Offensive Security, AppSec, OSINT· Published and added 29 Jul 2026

github.comrepo🛡️ Security

Visa Vulnerability Agentic Harness (VVAH)

VVAH is Visa's open-source agentic harness that runs an eleven-stage (S0–S11) LLM pipeline to discover, verify, report, and optionally remediate/validate application vulnerabilities, built on learnings from Anthropic's Project Glasswing. It combines threat-modeled discovery, multi-lens adversarial analysis, interprocedural taint analysis, and a beta live-HTTP "exploit verification" stage (S6) that proves exploitability and supports regression-testing fixes via ev-replay, outputting Markdown and SARIF 2.1.0 findings with CVSS/CWE data.

SARIFCVSSPython+3
Project Glasswing

AppSec, AI Security· Published and added 29 Jul 2026

github.comrepo🛡️ Security

Dalfox

Dalfox is an open-source XSS scanning and parameter analysis tool, rewritten in Rust for v3 (previously Go, preserved on the v2 branch). It automates discovery via parameter mining and static/BAV analysis, detects reflected, stored, and DOM-based XSS with DOM/AST verification, and includes WAF fingerprinting with confidence scoring and bypass tracking, plus a REST API and MCP stdio server for extensibility.

RustGoModel Context Protocol+1

AppSec, Offensive Security· Published and added 25 Jul 2026

github.comrepo🛡️ Security

thomasbuilds/Spectre

Spectre is a free, open-source Android app (min API 31) for observing and interacting with the surrounding wireless environment, combining passive monitoring of Bluetooth LE, Wi-Fi, cellular (2G-5G), and GNSS with a growing set of pentesting tools. Notable features include a BLE GATT inspector that can read/write characteristics on connected devices, a local-network scanner (TCP-connect host discovery, SSDP/UPnP, mDNS/DNS-SD, banner grabbing, reverse DNS), iBeacon broadcast spoofing, and a computed aggregate RF-exposure figure derived by correctly summing per-emitter power in linear watts rather than dBm. It also documents Android platform limitations affecting wireless recon, such as invisible 5G NSA signal, Wi-Fi scan throttling, and single-carrier cell visibility.

Android
GATTSSDPUPnP+4

Mobile Security, Hardware & RF, Offensive Security· Published and added 23 Jul 2026

github.comrepo🛡️ Security

ThinkWatch

ThinkWatch is a source-available dual-port gateway (Rust/Axum) that proxies both AI provider APIs (OpenAI, Anthropic, Gemini, Azure OpenAI, AWS Bedrock) and MCP tool calls through a single control plane, enforcing authentication, RBAC, rate limits/budgets, and audit logging. Its key differentiator is per-user upstream identity for MCP — propagating each user's own OAuth token/PAT to servers like GitHub/Notion/Slack (AES-256-GCM encrypted, per-key allowlists) instead of a shared service account, plus SSRF-hardened OAuth discovery (RFC 9728/8414/7591), tool-level RBAC, and ClickHouse-backed audit trails forwarded to SIEMs via Syslog/Kafka/webhooks.

Model Context ProtocolOAuthOIDC+3
RFC 9728RFC 8414RFC 7591

AI Security, Identity & Access· Published and added 4 Jul 2026

github.comrepo🛡️ Security

0x4m4/hexstrike-ai

HexStrike AI is an MCP server that exposes 150+ security tools (Nmap, sqlmap, Ghidra, Metasploit/MSFVenom, Trivy, Nuclei, TruffleHog, etc.) to MCP-compatible AI agents like Claude, GPT, or Copilot, letting them autonomously plan and execute network, web, binary, cloud, and CTF assessments. It ships 12+ specialized agents (BugBounty, CTF Solver, CVE Intelligence, Exploit Generator) that handle tool selection, parameter optimization, and attack-chain discovery, effectively turning an LLM into an autonomous pentest operator. The README includes explicit authorized-use guidance (pentests, bug bounty, CTF, red team) and warnings about the tool's broad system access.

Model Context ProtocolClaudeNmap+3
OTT Cybersecurity LLC

Offensive Security, AI Security· Added 18 Jun 2026

github.comrepo🛡️ Security

Defending Code Reference Harness

A reference implementation from Anthropic showing how to build a Claude-powered vulnerability discovery and remediation pipeline: interactive skills (/threat-model, /vuln-scan, /triage, /patch, /customize) for static scoping, scanning, triage and patch generation, plus an autonomous seven-stage recon-find-verify-dedupe-report-patch harness that builds targets with Docker/ASAN and runs each agent in a gVisor sandbox with restricted egress. It also ships a detection-and-response track (/dnr-hunt, /dnr-respond) for hunting an attacker already present in logs, scoping blast radius, and proposing a response, demoed against a planted attack campaign in synthetic logs.

Claude CodeDockerClaude+1
Mythos

AppSec, AI Security, Blue Team & Detection· Added 3 Sep 2026, published 5 Jun 2026

github.comrepo🛡️ Security

ShulkwiSEC/bb-huge

bb-huge is an open-source MCP server + agent skill ("/bb-huge") plus a Flask/SQLite portal that gives AI coding agents (Claude Code, Gemini CLI, Codex, etc.) persistent memory and a disciplined bug-bounty hunting methodology across web, mobile, binary, and source-code targets. It implements an observation → hypothesis → finding promotion pipeline with evidence provenance, ships 350+ curated community security skills, 35+ MCP tools for CRUD on findings/programs/recon/assets, and includes an install script for the ProjectDiscovery/tomnomnom recon toolkit (subfinder, httpx, nuclei, ffuf, etc.). It's aimed at bug bounty hunters wanting to solve the "context resets every session" problem when working with AI agents.

Model Context ProtocolClaude CodeDocker+3

Offensive Security· Published and added 5 Jun 2026

github.comrepo🛡️ Security

mukul975/Anthropic-Cybersecurity-Skills

A community-maintained GitHub repo providing 818 structured, YAML-frontmatter skill files (e.g. Volatility3 memory forensics, Kerberoasting hunting, cloud breach scoping) that AI coding agents like Claude Code, GitHub Copilot, or Cursor can load to follow senior-analyst-level security workflows. Each skill is mapped against MITRE ATT&CK v19.1, MITRE ATLAS, MITRE D3FEND, NIST CSF 2.0, NIST AI RMF, and the newly released MITRE Fight Fraud Framework (F3), and follows the agentskills.io progressive-disclosure standard for token-efficient agent discovery. Covers offensive (red-team C2, phishing simulation, exploitation), defensive (DFIR, threat hunting, Sigma detections), cloud, and AI-security domains.

MITRE ATT&CKMITRE ATLASNIST CSF+3
NIST AI RMFMITRE D3FENDMITRE Fight Fraud Framework+2

Blue Team & Detection, Offensive Security, AI Security· Published and added 26 May 2026

github.comrepo🛡️ Security

CyberStrikeus/CyberStrike

CyberStrike is an open-source (AGPL-3.0) terminal-based framework that turns any LLM subscription (Claude, GPT, Gemini, local models via Ollama/LM Studio, etc.) into an autonomous red-team agent, providing 13+ specialized agents, 7,600+ Ed25519-signed security skill files mapped to OWASP WSTG/CWE, a built-in Chromium proxy browser for role/credential discovery, and remote "Bolt" MCP tool servers for orchestrating tools like nmap, sqlmap, and Burp-style traffic interception. It targets pentesters and bug bounty hunters for automated reconnaissance, vulnerability discovery, exploitation, and post-exploitation, explicitly restricted to authorized testing.

Model Context ProtocolClaude CodeOllama+3

Offensive Security, AI Security· Published and added 23 May 2026

github.comrepo🛡️ Security

Awesome Attack Surface Monitoring

A curated 'awesome list' aggregating free/open-source and paid Attack Surface Monitoring (ASM) tools, organized alphabetically with highlighted favorites. It serves as a reference directory for teams evaluating external asset discovery and continuous exposure monitoring solutions.

OSINT· Added 3 Sep 2026, published 17 May 2026

github.comrepo🛡️ Security

knostic/OpenAnt

OpenAnt is Knostic's open-source Apache 2 licensed LLM-based vulnerability discovery tool that runs source code through a two-stage pipeline, an agentic detection phase followed by an attack and verification phase, to filter out false positives and surface exploit-verified findings. It is a Go CLI with a Python analysis backend supporting Go, Python, and several beta languages including JavaScript, C, PHP, Ruby, Zig, Swift, and Rust, with pluggable LLM providers such as Anthropic, OpenAI, Google, Ollama, OpenRouter, and Bedrock, plus diff and PR scoped scanning for CI and a local web UI.

GoPythonClaude+3
AardvarkClaude Code Security

AppSec, AI Security· Published and added 12 May 2026

github.comrepo🛡️ Security

IronCurtain: Secure AI Agent Runtime

IronCurtain is a research-prototype runtime that constrains autonomous AI agents (Claude Code, Goose, or its own builtin agent) by compiling a human-written "constitution" into deterministic policy rules enforced on every MCP tool call. It treats the LLM as untrusted, mediating all filesystem/git/network/API access through a policy engine (allow/deny/escalate), a V8 isolate sandbox for its builtin agent, and a network-isolated Docker mode with a TLS-terminating MITM proxy for external agent tools. It also ships multi-agent workflow orchestration (e.g., a vulnerability-discovery pipeline with libFuzzer/AFL++ fuzzing gates) with human approval checkpoints.

Model Context ProtocolDockerClaude Code+3

AI Security· Published and added 7 May 2026