Day 34 | The Sliver Campaign That Hijacked FortiWeb Firewalls in Asia

Some attacks don’t target endpoints — they silently take over the edge.

In this video, we break down the Sliver FortiWeb campaign, a sophisticated attack where threat actors compromised outdated FortiWeb web application firewalls and turned them into covert command-and-control proxies.

Rather than deploying malware on endpoints, attackers abused exposed edge devices, deployed the Sliver C2 framework, and established persistence using disguised services and proxy tooling — allowing long-term access with minimal visibility.

This episode focuses on defensive threat analysis, explaining how firewall and edge device compromises often evade traditional EDR-centric security models.

This video is purely educational and focuses on threat awareness, detection gaps, and SOC visibility — not exploitation.

📌 What you will learn in this video

• What the Sliver C2 framework is
• How FortiWeb firewalls were initially compromised
• Why edge devices are prime targets for attackers
• How Sliver establishes persistence on Linux systems
• Abuse of FRP and SOCKS proxies for lateral movement
• Why EDR tools often miss firewall-level compromises
• Key detection and monitoring gaps in edge security

🧠 Why the Sliver FortiWeb Campaign Matters

✔ No endpoint malware required
✔ Firewalls turned into attacker infrastructure
✔ Persistent access via disguised services
✔ Enables covert proxying and lateral movement
✔ Exploits a major blind spot in enterprise security

When attackers control the edge, internal defenses are already behind.

⚠️ Where This Attack Commonly Succeeds

• Outdated FortiWeb deployments
• Internet-exposed management interfaces
• Edge devices without EDR coverage
• Weak patch and vulnerability management
• Limited monitoring on network appliances

🎯 Who should watch this video

✔ SOC Analysts
✔ Blue Team Practitioners
✔ Network Security Teams
✔ Threat Intelligence Teams
✔ GRC & Risk Professionals
✔ Cybersecurity Students

If you are preparing for:
✔ SOC or Blue Team roles
✔ Threat-hunting discussions
✔ Firewall and edge security reviews
✔ Understanding real-world C2 frameworks

…this video is essential.

📌 Watch till the end to understand how attackers weaponize firewalls themselves.

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🤖 AI Transparency Notice

This video was prepared with support from ChatGPT, NotebookLM, Gemini, and HeyGen. All interpretations, examples, and visuals are human-reviewed and curated for educational and compliance awareness purposes.
All regulatory references belong to SEBI and respective authorities.


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