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AurelioAvila/README.md

Aurelio Avila

I build Windows software and security tooling, and I work as an incident responder.

Most of what is here falls into two halves that keep feeding each other. On one side, shipped products: desktop applications people install, review and complain about, distributed through the Microsoft Store, winget and the usual software catalogues. On the other, security engineering: detection rules, forensic tooling and incident write-ups, each built to be run and checked rather than read and believed.

Working both sides changes how you build. Handling alerts for a living teaches you what an attacker actually does before your product's threat model is finished, and shipping to strangers teaches you that a control nobody can understand is a control nobody uses.


Products

PC Tweaker

Windows performance, gaming, privacy and maintenance tuning where every change is snapshotted before it is applied, so any tweak can be reversed.

Downloads Release

Microsoft Store · Softpedia review 4.5/5 · MajorGeeks 5.0/5

Glarion

Website security scanning for agencies. No scan runs against a domain whose ownership has not been proved, and the proof is rechecked when the scan executes, not when it is queued.

Tests Rust

Read the security model

Redaxa

Catches secrets, credentials and personal data in text before it is pasted into ChatGPT, Claude, Gemini or Copilot. Detection runs locally.

Release

Desktop app, browser extension and web version

Social Dashboard

Local-first analytics for YouTube, Instagram, TikTok and X. Credentials and history stay on the machine; nothing is relayed through a server of mine.

Release

Product site


Security engineering

Each of these is a working tool with its own test suite, not a write-up of something that was done once. Detection logic is validated against samples that should fire and samples that should not, and the validation runs in CI.

Project What it does
detection-engineering-rules YARA and Sigma rules, each checked against true and false positive cases. Sigma is compiled to real Splunk SPL with pySigma rather than validated as YAML.
network-traffic-analysis Scapy PCAP analyser for port scans, C2 beaconing and floods. A statistical baseline catches slow floods that fixed thresholds structurally cannot, with a side-by-side demo showing the difference.
malware-triage-hash Hash reputation joined to behavioural scoring, so an unknown sample is not read as a clean one. Ships a Sentinel KQL hunt.
ransomware-dfir-timeline Process, Prefetch, Registry and filesystem artifacts correlated into a single timeline, from the opened attachment to mass encryption, with root cause and detection gaps.
phishing-email-analysis Parses raw .eml, extracts headers, URLs and attachment hashes, flags typosquatting and urgency patterns, enriches through VirusTotal.
splunk-brute-force-detection SPL detections for brute force and password spraying in Windows Security logs, with threshold tuning notes and a triage playbook.
soc-home-lab Wazuh and OpenSearch lab: custom rules, agent deployment, ingestion validation, and the full path from alert to incident report.
dma-guide Reference on DMA attack mechanics and the controls that stop them, from IOMMU and VT-d to Kernel DMA Protection.

Everything is mapped to MITRE ATT&CK and, where behaviour matters more than a screenshot, reproducible from the repository.


Background

SOC analyst, currently Tier 1, handling alert triage, log correlation and detection tuning across Microsoft Sentinel, Splunk and Wazuh. Before the products there was the day job, and the day job is why the products are built the way they are.

Certifications

Security+ CySA+ SC-200 BTL1 Trinity ISE III Anthropic Introduction to MCP Anthropic AI Capabilities and Limitations Anthropic AI Fluency for Builders

Skills and tools

Area Skills, platforms and tools
Security operations Alert triage · Incident investigation · Log correlation · Threat hunting · Detection tuning · Escalation and incident reporting · SOAR playbooks
SIEM and detection Microsoft Sentinel · KQL · Splunk · SPL · Wazuh · OpenSearch · Sigma · YARA · pySigma · MITRE ATT&CK
DFIR and malware analysis Windows event analysis · Process, Prefetch, Registry and filesystem artifacts · Timeline reconstruction · Hash reputation · Behavioural triage · VirusTotal API · Sandbox evidence
Network and email security Wireshark · Scapy · PCAP analysis · Traffic baselining · Port-scan, beaconing and flood detection · Email header analysis · IOC extraction and enrichment
Application and AI security Nuclei · SSRF protection · Domain ownership verification · Secret and PII detection · Data-loss prevention · LLM security · MCP fundamentals
Software development Rust · TypeScript · Python · JavaScript · SQL · React · Tauri · FastAPI · Axum · PostgreSQL · REST APIs
Platforms and identity Windows 10/11 · Linux and Ubuntu · Microsoft Azure · Microsoft Entra ID · Microsoft Store · winget
Engineering workflow Git · GitHub · GitHub Actions · CI/CD · Automated testing · Visual Studio Code · Security scanning · Release automation
Threat-intelligence frameworks STIX/TAXII · Pyramid of Pain · IOC lifecycle · Behaviour-to-technique mapping

The technologies above are reflected in shipped products, reproducible security labs or day-to-day security operations. They are not a keyword inventory.

Languages — Italian (native), English (C1), French (B2), Spanish (B1)


Contact

Open to security engineering work and to conversations about the products above.

aurelio_11@outlook.it · Amsterdam

Pinned Loading

  1. network-traffic-analysis network-traffic-analysis Public

    Python and Scapy PCAP analyzer with port-scan, C2, flood and statistical anomaly detection, MITRE ATT&CK mapping and SOC reports.

    Python 4

  2. pc-tweaker-app pc-tweaker-app Public

    Windows PC optimization with reversible performance, gaming, privacy and maintenance tweaks.

    TypeScript 17

  3. social-dashboard social-dashboard Public

    Privacy-first, local-first desktop dashboard for YouTube, Instagram, TikTok and X analytics, diagnostics and best-time-to-post insights.

    JavaScript 5

  4. redaxa redaxa Public

    Redaxa (formerly PromptShield): AI privacy and DLP protection that detects and redacts secrets, credentials and PII before they reach ChatGPT, Claude, Gemini or Copilot.

    TypeScript 1

  5. detection-engineering-rules detection-engineering-rules Public

    YARA and Sigma detection rules, written and unit-tested against real sample sets and synthetic log events, with MITRE ATT&CK mapping and a pySigma-based test harness.

    Python

  6. ransomware-dfir-timeline ransomware-dfir-timeline Public

    Digital forensics timeline reconstruction of a simulated Windows ransomware incident, from initial phishing execution to file encryption, built from synthetic endpoint artifacts.

    Python