DNS tunneling

TrickBot Variant Hides C2 Traffic Inside Malformed DNS Queries

• Malware

TrickBot Variant Hides C2 Traffic Inside Malformed DNS Queries

Do Son July 29, 2026 0

FortiGuard Labs found a TrickBot DNS tunneling variant that hides malware C2 communication inside malformed DNS queries and IP address responses.

HOLLOWGRAPH Malware Hides Command-and-Control in Microsoft 365 Calendars

• Malware

HOLLOWGRAPH Malware Hides Command-and-Control in Microsoft 365 Calendars

Do Son July 20, 2026 0

HOLLOWGRAPH malware turns Microsoft 365 calendars into covert C2 through Microsoft Graph API abuse. Group-IB links it to the Cavern framework.

LabubaRAT Poses as NVIDIA Software to Hand Operators Full Control of Windows Hosts

• Malware

LabubaRAT Poses as NVIDIA Software to Hand Operators Full Control of Windows Hosts

Do Son July 20, 2026 0

LabubaRAT is a Rust-based remote access tool disguised as NVIDIA software. It supports HTTPS, WebView2, and DNS tunneling for command and control.

Sophisticated SilentCryptoMiner Variant Delivered via Fake Plugin Overlays

• Malware

Sophisticated SilentCryptoMiner Variant Delivered via Fake Plugin Overlays

Do Son June 2, 2026 0

A stealthy SilentCryptoMiner variant uses a fake plugin update to infect systems. Protect your enterprise from this advanced cryptocurrency miner.

The DNS Trap: How a “Hidden” Path Allowed ChatGPT to Silently Leak Your Private Data

• Data Leak

The DNS Trap: How a “Hidden” Path Allowed ChatGPT to Silently Leak Your Private Data

Do Son April 6, 2026 0

Check Point Research uncovers a DNS tunneling flaw in ChatGPT allowing silent data theft. OpenAI deployed a fix on Feb 20, 2026. Is your AI chat truly private?

Blitz Brigantine Weaponizes Email Bombing and DNS MX Records to Deploy AOBackdoor

• Malware

Blitz Brigantine Weaponizes Email Bombing and DNS MX Records to Deploy AOBackdoor

Do Son March 16, 2026 0

BlueVoyant exposes Blitz Brigantine's new tactics: using email bombing, Microsoft Teams lures, and covert DNS MX tunneling to deploy AOBackdoor.

MystRodX: A Stealthy New Backdoor Found Hiding in Networks for Over 20 Months

• Malware

MystRodX: A Stealthy New Backdoor Found Hiding in Networks for Over 20 Months

Do Son August 30, 2025 0

A new report reveals MystRodX, a stealthy backdoor that uses passive wake-up triggers and multi-layer encryption to operate undetected in networks for months.

Zloader Trojan Employs Novel DNS Tunneling Protocol for Enhanced Evasion

• Malware

Zloader Trojan Employs Novel DNS Tunneling Protocol for Enhanced Evasion

Do Son December 11, 2024 0

Learn about the new evolution of Zloader: version 2.9.4.0 introduces a custom DNS tunneling protocol for sophisticated C2 communications.

DNS Tunneling: The Hidden Threat Exploited by Cyberattackers

• Cyber Security
• Malware

DNS Tunneling: The Hidden Threat Exploited by Cyberattackers

Do Son October 7, 2024 0

Uncover the hidden dangers of DNS tunneling attacks and learn how cyber criminals use this technique to steal sensitive data.