Above
Above is a Python-based network packet sniffer designed for penetration testers and security engineers to identify vulnerabilities in network protocols and equipment. It analyzes network traffic passively to detect 28+ protocols including routing protocols, SCADA, discovery protocols, and authentication mechanisms, providing attack vectors and mitigation guidance.
Key facts
Objective fields from the source. Values we can't verify are shown as “Unknown” rather than guessed.
| Field | Value |
|---|---|
| Repository | caster0x00/Above |
| Owner | caster0x00 |
| Primary language | Python |
| License | Apache-2.0 — OSI-approved |
| Stars | 865 |
| Forks | 88 |
| Open issues | 1 |
| Latest release | v2.8.1 (2026-01-02) |
| Last updated | 2026-01-02 |
| Source | https://github.com/caster0x00/Above |
What Above is
Built on Scapy, Above operates in hot mode (live interface sniffing with configurable timers) or cold mode (pcap file analysis). It detects protocol anomalies, extracts technical metadata (MAC/IP addresses, VLAN IDs, routing domains), and correlates findings with known attack tools and mitigation strategies. Passive ARP discovery and VLAN enumeration are supported.
Get the Above source
Clone the repository and explore it locally.
git clone https://github.com/caster0x00/Above.gitcd Above# follow the project's README for install & configurationNeed it deployed, integrated, or customized instead? DEV.co ships production installs.
Best use cases
Implementation considerations
- Requires root/sudo privileges for live packet capture; consider isolation in lab or controlled test environments to avoid production access creep.
- Scapy dependency may require compilation of native extensions; test Python 3 compatibility and OS-specific libpcap/WinPcap availability before deployment.
- Protocol detection rules are static/signature-based; no adaptive learning or vendor-specific anomaly detection calibration documented.
- Output is console-based text; no machine-readable JSON export, log aggregation, or audit trail formatting for compliance or downstream tooling.
- No built-in rate limiting, filter presets, or memory management for extended sniffing sessions; manual process monitoring recommended.
When to avoid it — and what to weigh
- Real-time Alerting Requirement — Above is passive analysis-focused; it does not provide streaming alerts or integration with SIEM platforms for live threat detection.
- High-Volume Production Networks — Scalability and performance on 10G+ networks or packet-per-second saturation scenarios are not documented; tool behavior under stress is unknown.
- Encrypted Traffic Analysis — Tool focuses on unencrypted protocol headers; encrypted payloads and HTTPS/TLS traffic provide minimal visibility.
- Windows or Cloud-Native Environments — Linux/Kali-centric design; no native support documented for Windows or containerized (Kubernetes) deployments.
License & commercial use
Apache License 2.0 (permissive OSI-approved license). Allows use, modification, and distribution in commercial and proprietary contexts subject to license attribution and liability disclaimers.
Apache 2.0 permits commercial use. However, the README includes a legal disclaimer stating the author is not responsible for illegal use. Organizations deploying Above should: (1) ensure compliance with local wiretapping and network analysis laws, (2) obtain network owner consent, (3) audit tool usage to prevent unauthorized network reconnaissance. Recommend legal review before integrating into customer-facing or enterprise services.
DEV.co evaluation signals
Editorial assessment — not user reviews. Directional, with an explicit confidence level.
| Signal | Assessment |
|---|---|
| Maintenance | Active |
| Documentation | Adequate |
| License clarity | Clear |
| Deployment complexity | Low |
| DEV.co fit | Good |
| Assessment confidence | High |
Above is a reconnaissance tool designed for authorized security testing. Key considerations: (1) Requires root access on host—potential privilege escalation risk if misused or deployed in multi-tenant environments. (2) No input validation or output sanitization documented; malformed pcaps could cause crashes or unexpected behavior. (3) No cryptographic verification of capture integrity or tamper-detection mechanisms. (4) Passive design reduces attack surface vs. active scanning, but does not guarantee stealth if deployed on monitored networks. (5) Scapy dependency vulnerabilities could affect tool security; maintain upstream patch awareness. (6) Legal/compliance risk: unauthorized network analysis violates wiretapping laws in many jurisdictions—deployment should be confined to owned/authorized networks with formal approval.
Alternatives to consider
Zeek (formerly Bro)
Enterprise-grade network monitoring and protocol analysis with scripting, alerting, and log aggregation. Heavier weight, steeper learning curve, but significantly better for production deployments and SIEM integration.
Wireshark + TShark (CLI)
Industry-standard packet analyzer with deeper protocol dissection, filtering language, and visualization. Passive analysis only (no built-in attack vector mapping), but vastly broader protocol support and community resources.
Suricata IDS/IPS
Open-source network threat detection engine with rule-based protocol anomaly detection and real-time alerting. Requires signature maintenance and can generate network load; better for continuous monitoring than ad-hoc penetration testing.
Build on Above with DEV.co software developers
Evaluate Above for your penetration testing or security audit workflows. Start with lab analysis of pcap files, then expand to live interface sniffing with proper authorization and legal review.
Talk to DEV.coRelated on DEV.co
Explore the category and the services that help you build with it.
Above FAQ
Can Above detect attacks in real-time or only analyze passive traffic?
Does Above work on Windows or macOS?
What is the legal/compliance status of using Above?
Can Above integrate with my SIEM or ticketing system?
Software developers & web developers for hire
DEV.co is a software development agency delivering custom software development services to companies building on open source. Our software developers and web developers design, integrate, and ship production systems — spanning web development, APIs, AI, data, and cloud. If Above is part of your open-source security roadmap, our team can implement, customize, migrate, and maintain it.
Deploy Network Security Analysis Today
Evaluate Above for your penetration testing or security audit workflows. Start with lab analysis of pcap files, then expand to live interface sniffing with proper authorization and legal review.