Network Anomaly Detection in KATA
posted
An analysis of how Network Anomaly Detection (NAD) rules work within Kaspersky Anti Targeted Attack, using Kerberoasting and DNS tunneling attacks as examples.
Kaspersky Anti Targeted Attack
Kaspersky Anti Targeted Attack Platform combines NDR capabilities with advanced sandboxing for full-fledged anti-APT protection: network traffic analysis, multi-dimensional threat detection, efficient investigations, and rapid, centralized response.
Use cases in real-world incidents:
HelloNet campaign: new malicious modules launched through the ViPNet update system
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We identified targeted infection attempts against large Russian organizations using the ViPNet update system (a software suite for creating secure networks).
From cause to cash: a cross-border look at hacktivist activity
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Hacktivist outfits, namely 4BID, Hakerskii Kit, and C.A.S., are now targeting organizations across Kazakhstan, the UAE, Egypt, and Syria.
DAEMON Tools software infected — supply chain attack ongoing since April 8, 2026
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updated UPD
Targeted by threat actors: individuals and organizations across 100+ countries and territories, with the majority of victims located in Russia, Brazil, Turkey, Spain, Germany, France, Italy, and China.
Adapt or pay: an analysis of the AdaptixC2 framework
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We examine how Kaspersky Anti Targeted Attack detects the network activity of AdaptixC2 agents across HTTP/S, TCP, SMB, and other protocols, and how EDR solutions identify post-exploitation activities on a host.
![On April 9, 2026, the website cpuid[.]com, hosting installers for popular system administration software CPU-Z, HWMonitor (HWMonitor Pro) and Perfmonitor 2, was compromised. We observed that starting from approximately April 9, 15:00 UTC, until about April 10, 10:00 UTC, the legitimate download URLs for installers of that software have been replaced with URLS to the following malicious websites:](https://media.kasperskycontenthub.com/wp-content/uploads/sites/43/2026/04/10145014/pingpongsuperman_CPU_is_burning_ultra_detailed_sharp_focus_8k_495f9cb6-fa56-4ea8-ad14-88d8c7c8805a_3-gigapixel-redefine-creative-2x-800x450.jpeg){kind=tracking}
CPU-Z / HWMonitor watering hole infection – a copy-pasted attack
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updated UPD
In April 2026, cpuid.com delivered trojanized CPU-Z and HWMonitor installers with STX RAT. 150+ victims in Brazil, Russia, China.
Hunting for Mythic in network traffic
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We analyze the network activity of the Mythic framework, focusing on agent-to-C2 communication, and use signature and behavioral analysis to create detection rules for Network Detection and Response (NDR) solutions.
Reports
APT group HoneyMyte upgrades CoolClient: the backdoor gets a kernel-level Windows rootkit
Our experts discovered a new CoolClient backdoor variant with a kernel-mode rootkit driver that hides malicious processes, files, and network connections from security tools and threat analysts.
Armored Likho expands its cyber-espionage toolkit
Kaspersky experts break down a new Armored Likho campaign that poses as a fundraising efforts and delivers a new Still Toolkit aimed at stealing Telegram data and eavesdropping on victims.
Mirage Kitten targets Middle East and Africa region with new malware
Kaspersky researchers reveal previously undocumented malware attributed to Mirage Kitten (UNC1549, Smoke Sandstorm, Nimbus Manticore): NightLedger backdoor, ArcBridge, and BridgeHead tunneling tools.
ToddyCat: your hidden email assistant. Part 2
An in-depth analysis of Umbrij, a new tool used by the ToddyCat APT group to compromise corporate email communications in Gmail. The attack targeted OAuth authorization tokens, allowing threat actors to gain access to Google services.
