Mirage Kitten on DanSec Daily

Cybersecurity Brief – 2026-09-01

Tue, 01 Sep 2026 00:00:00 +0000

Major Incidents or Breaches

Berlin’s city administration confirmed data theft following a Rhysida ransomware attack, with cybercriminals attempting extortion after listing the city on a data leak site ^[18].
Hackers stole personal and health information affecting 9.5 million individuals from Aesto Health’s AWS infrastructure ^[33].
McKesson, a healthcare company, acknowledged a data breach after ShinyHunters claimed to have stolen hundreds of millions of records ^[42].
Nutex Health notified the SEC of a ransomware attack that compromised patient, employee, provider, business, and financial data ^[31].
Anthropic users were impacted by infostealer attacks, with session cookies stolen to gain access to Claude AI accounts and consume usage ^[19]^[41].
METR, an AI evaluation non-profit, suffered the theft of an API key, leading to the consumption of approximately $600,000 in AI credits ^[4].
Five Venezuelan nationals pleaded guilty in the US to ATM jackpotting attacks that involved attempting to physically install malware on ATMs to dispense cash ^[10]^[30].
The Cronos blockchain network was restarted after a price-manipulation exploit on the Tectonic lending platform enabled the theft of $74 million ^[12].

Newly Discovered Vulnerabilities

Nearly 22,000 Microsoft Exchange servers remain unpatched and exposed to a high-severity authentication bypass vulnerability, allowing attackers to hijack user mailboxes ^[9].
Two critical vulnerabilities in PaperCut NG and MF print management software (CVE-2026-82078 and CVE-2026-81578) are being actively exploited in data theft attacks; CISA has added these to its Known Exploited Vulnerabilities (KEV) catalog ^[11]^[35].
A critical authentication bypass vulnerability in JFrog Artifactory (CVE-2026-82329) is being exploited in the wild just days after disclosure ^[32].
WatchGuard patched three critical vulnerabilities in its Fireware OS iked process that could allow unauthenticated remote code execution ^[34].
ServiceNow patched three critical code injection vulnerabilities that could allow attackers to execute arbitrary code and access or tamper with data ^[37].
A critical flaw in Langflow (CVE-2026-0768) is under active exploitation, allowing unauthenticated remote execution of arbitrary Python code ^[6]^[29].
Kaspersky patched a vulnerability in its Endpoint Security product exploited by the Nightmare Eclipse group using the ‘HardBreacher’ technique ^[36].
Critical vulnerabilities in Ruby on Rails are being exploited for credential-probing and command and control activity ^[6].
JSCeal, a stealer targeting cryptocurrency applications, is delivered as compiled V8 bytecode and executed by a bundled Node.js runtime ^[38].

Notable Threat Actor Activity

Mirage Kitten, an Iran-linked threat actor, is targeting aviation and FinTech sectors across the Middle East and Africa with new malware families NodeRabbit (Node.js) and PollCat (JavaScript) ^[1].
The Russia-aligned UAC-0099 group is using a new technique, GuardBreaker, to plant nuclear weapon prompts in malware aimed at disrupting AI analysis in Ukraine ^[5].
North Korean threat actors are expanding job fraud operations beyond IT into healthcare and sales, seeking illicit employment in new sectors ^[7].
The Chinese Fire Ant group is using Cisco routers as spying platforms by establishing unauthorized GRE tunnel interfaces ^[16].
Rhysida ransomware is actively extorting the city of Berlin following a successful attack ^[18].
The Nightmare Eclipse group is exploiting a Kaspersky Endpoint Security vulnerability with a tool called ‘HardBreacher’ ^[36].

Trends, Tools, or Tactics of Interest

Abuse of enterprise collaboration tools by threat actors has increased fourfold in the past year as attackers use these platforms to evade detection ^[2].
The TerminalFix campaign, a variant of ClickFix, uses fake Cloudflare CAPTCHA prompts to trick users into executing malicious PowerShell commands, establishing reverse tunnels for deeper network access ^[13]^[20]^[40].
Infostealers are being used to hijack AI service accounts such as Anthropic’s Claude by stealing session cookies, enabling unauthorized access and usage ^[19]^[41].
Attackers are exploiting critical vulnerabilities in Langflow and Rails for credential harvesting and establishing command and control channels ^[6]^[29].
A router backdoor was observed where devices shipped with remote access enabled, allowing attackers to collect traffic and credentials and then erase logs ^[8].
Researchers demonstrated that AI models, such as Claude, can be used to port PLC exploits between device models quickly, reducing the barrier for industrial exploit development ^[28].
Job fraud tactics by North Korean actors are diversifying to include healthcare and sales roles ^[7].
JSCeal stealer is delivered in compiled V8 bytecode format and executed by a bundled Node.js runtime, targeting cryptocurrency users ^[38].

Regulatory or Policy Developments Affecting the Security Industry

CISA added the actively exploited PaperCut vulnerabilities (CVE-2026-82078 and CVE-2026-81578) to its Known Exploited Vulnerabilities catalog, signaling increased urgency for patching ^[35].
Nutex Health disclosed its ransomware breach to the SEC, reflecting regulatory requirements for timely breach notification ^[31].

Sources

Berlin confirms data theft after Rhysida ransomware attack claims - bleepingcomputer.com
9.5 Million Impacted by Aesto Health Data Breach - securityweek.com
McKesson confirms cyber incident after ShinyHunters claims patient-data theft - malwarebytes.com
Ransomware Gang Claims Nutex Health Data Breach - securityweek.com
Anthropic Users Hit by Infostealer Attacks, Session Thefts - darkreading.com
Infostealers are hijacking Claude accounts at users’ expense - malwarebytes.com
Attackers Steal METR API Key and Consume AI Credits Worth About $600,000 - thehackernews.com
Five Venezuelans plead guilty to ATM jackpotting attacks in US - bleepingcomputer.com
Five Venezuelans Plead Guilty in US Court to ATM Jackpotting - securityweek.com
Cronos blockchain restarts after $74 million Tectonic exploit - bleepingcomputer.com
Nearly 22,000 Microsoft Exchange servers vulnerable to hijack attacks - bleepingcomputer.com
Recently patched PaperCut zero-days used in data theft attacks - bleepingcomputer.com
PaperCut Exploitation Escalates to Active Intrusions - securityweek.com
Critical JFrog Artifactory Vulnerability Reportedly Exploited in the Wild - securityweek.com
WatchGuard Patches Critical Vulnerabilities - securityweek.com
ServiceNow Patches 3 Critical Code Injection Vulnerabilities - securityweek.com
Attackers Exploit Critical Langflow and Rails Flaws in Credential-Probing and C2 Activity - thehackernews.com
Hackers Start Exploiting Critical Langflow Vulnerability - securityweek.com
Nightmare Eclipse Drops ‘HardBreacher’ Kaspersky Product Exploit - securityweek.com
Breaking the Seal: Static Deobfuscation of JSCeal’s Compiled V8 Bytecode - research.checkpoint.com
Mirage Kitten targeting aviation and FinTech sectors across the Middle East and Africa with a new malware set - securelist.com
Russia-Aligned UAC-0099 Plants Nuclear Weapon Prompt in Malware to Disrupt AI Analysis - thehackernews.com
North Korean Job Fraud Expands Beyond IT Into Healthcare and Sales - thehackernews.com
Chinese Fire Ant hackers turn Cisco routers into spying platforms - bleepingcomputer.com
Attackers Abuse Enterprise Collaboration Tools to Avoid Detection - blog.knowbe4.com
Microsoft warns of TerminalFix attacks deploying reverse tunnels - bleepingcomputer.com
'TerminalFix' Campaign Weaponizes PowerShell for Enterprise Attacks - darkreading.com
TerminalFix looks like ClickFix, but delivers a very different payload - malwarebytes.com
⚡ Weekly Recap: Chinese Spy Proxy, AI Agents Go Off-Task, Router Backdoors and More - thehackernews.com
Experiment: Porting a PLC Exploit With AI Takes Hours and Hundreds of Dollars - securityweek.com

Cybersecurity Brief – 2026-07-28

Tue, 28 Jul 2026 00:00:00 +0000

Major Incidents or Breaches

The Coca-Cola Company confirmed data theft from its Fairlife dairy subsidiary following a ransomware attack earlier this month. The Anubis cybercrime group has claimed responsibility and is threatening to leak the stolen data ^[18]^[40].
Ernst & Young suffered a data breach attributed to the ShinyHunters extortion gang, who claim to have obtained credentials for some of the firm’s systems via a supply-chain attack ^[19].
Origin Energy reported a data breach affecting approximately 900,000 customers, with attackers claiming to have stolen data for up to 2 million customers ^[34].
Private conversations with Claude AI chatbots were indexed and exposed in Google and Bing search results due to misconfigured web crawler controls ^[27].

Newly Discovered Vulnerabilities

A maximum-severity command injection vulnerability (CVE-2026-16812) in on-premises Arista VeloCloud Orchestrator is under active exploitation. Arista has released patches for affected systems ^[4]^[14]^[33].
A critical remote code execution zero-day in the FastJson Java library is being actively exploited in the wild, allowing attackers to execute code without authentication or elevated privileges ^[13]^[32].
A public exploit has been released for a patched pre-authentication code execution vulnerability in vBulletin, enabling attackers to execute code via unauthenticated requests to PHP’s eval() function on unpatched forums ^[7].
n8n automation platform patched a high-severity sandbox escape bug allowing authenticated workflow editors to execute OS commands as the n8n process ^[9].
A proof-of-concept exploit for the “Certighost” Windows Active Directory Certificate Services vulnerability has been published, allowing authenticated attackers to potentially hijack Windows domains ^[16].
A critical unsafe deserialization flaw in PTC Windchill is being exploited in ransomware campaigns, enabling unauthenticated remote code execution ^[37].
Persistent “confused deputy” vulnerabilities remain in Google Cloud and Microsoft Azure, allowing attackers to gain administrative permissions and bypass cloud access controls ^[22].

Notable Threat Actor Activity

Mirage Kitten (UNC1549, Smoke Sandstorm, Nimbus Manticore) has deployed new malware, including NightLedger backdoor, ArcBridge, and BridgeHead tunneling tools, targeting the Middle East and Africa ^[1].
The Dysphoria IoT botnet has compromised around 200,000 devices globally, adopting blockchain-based C2 and infected-device relays after law enforcement disruption of JackSkid. The botnet is being used for DDoS attacks and traffic relay operations ^[6]^[15].
TELESHIM, an East Asia-linked threat actor, is abusing Telegram for command and control in attacks on Middle Eastern government entities, resulting in data exfiltration ^[12].
The ShinyHunters gang is not only conducting extortion but their leaked data is being leveraged in sextortion scams, with scammers posing as ShinyHunters to make their emails more credible ^[19]^[44].
An espionage attack on Thailand’s Ministry of Finance used Hermes, an autonomous open source AI agent, operating in “YOLO mode” to conduct its campaign ^[21].

Trends, Tools, or Tactics of Interest

Attackers are actively exploiting legitimate remote monitoring and management (RMM) tools such as Level RMM and ScreenConnect via phishing lures themed as Microsoft Teams updates in “Operation BlueDash” ^[10].
AI agents are proliferating in enterprise environments, often without security oversight, posing new governance and risk challenges ^[20].
The Cruciferra crypter, used by a China-linked group targeting Indian tax professionals, employs bring-your-own-vulnerable-driver (BYOVD) and process ghosting techniques to evade detection on Windows systems ^[11].
MedusaHVNC, a malware-as-a-service operation, uses hidden Windows desktops to launch legitimate browsers for persistent, covert remote access ^[38].
AutoIT remains a common tool for malware payload injection due to its ease of use and powerful capabilities ^[28].
There is a decline in confidence in autonomous security tools, as adversaries increasingly leverage defenders’ own rulebooks instead of relying on zero-day exploits ^[24].
Java Spring Boot heapdump endpoints are being scanned, as exposed endpoints can leak sensitive memory data ^[30].
Aftercall ad fraud campaigns are spreading Android apps that display full-screen ads after phone calls, impacting user experience ^[43].

Regulatory or Policy Developments Affecting the Security Industry

NVIDIA and 36 other organizations have formed the Open Secure AI Alliance to develop and share open technologies, techniques, and tools for securing software and AI agents ^[5]^[39].
GitHub and PyPI announced new supply chain security policies: Dependabot will now have a three-day cooldown before opening pull requests, and PyPI will reject file uploads to releases older than 14 days ^[36].

Sources

Coca-Cola confirms data theft in Fairlife ransomware attack - bleepingcomputer.com
Coca-Cola Confirms Data Breach After Fairlife Ransomware Attack - securityweek.com
Ernst & Young data breach claimed by ShinyHunters extortion gang - bleepingcomputer.com
Origin Energy Data Breach Affects 900,000 Australians - securityweek.com
Private Claude Chats Exposed in Google and Bing Search Results - wired.com
Attackers Exploit Arista VeloCloud Orchestrator Command Injection Flaw - thehackernews.com
Arista patches VeloCloud Orchestrator zero-day exploited in attacks - bleepingcomputer.com
Critical Arista VeloCloud Orchestrator Vulnerability Exploited as Zero-Day - securityweek.com
Hackers target US firms in FastJson RCE zero-day attacks - bleepingcomputer.com
Unpatched Fastjson Vulnerability Exploited in Attacks - securityweek.com
Public Exploit Released for Patched vBulletin Pre-Auth Code Execution Flaw - thehackernews.com
n8n Sandbox Escape Lets Workflow Editors Run OS Commands as the n8n Process - thehackernews.com
New Certighost PoC exploit lets attackers hijack Windows domains - bleepingcomputer.com
PTC Windchill Vulnerability Exploited in Ransomware Campaign - securityweek.com
'Confused Deputy' Flaws Persist in Google Cloud, Microsoft Azure - darkreading.com
Mirage Kitten targets Middle East and Africa region with new malware - securelist.com
Dysphoria IoT Botnet Adds Blockchain C2 and Victim Relays After JackSkid Disruption - thehackernews.com
New Dysphoria DDoS botnet spreads to 200k devices worldwide - bleepingcomputer.com
TELESHIM Abuses Telegram for C2 in Attacks Against Middle East Governments - thehackernews.com
Sextortion scammers are exploiting ShinyHunters data leaks - malwarebytes.com
AI Agent Drives Espionage Attack on Thai Ministry of Finance - darkreading.com
Operation BlueDash Deploys Level RMM and ScreenConnect via Fake Teams Update - thehackernews.com
Shadow AI agents are multiplying. Here's how to find and secure them. - bleepingcomputer.com
Cruciferra Crypter Uses BYOVD and Process Ghosting to Hide Windows Malware - thehackernews.com
MedusaHVNC Malware Uses Hidden Windows Desktops to Evade Detection - securityweek.com
AutoIT Payload Injector , (Tue, Jul 28th) - isc.sans.edu
Adversaries Don't Need a Zero-Day — They Read Your Rulebook - darkreading.com
Java Spring Boot "heapdump" scans, (Mon, Jul 27th) - isc.sans.edu
Aftercall ads are driving Android users crazy - malwarebytes.com
NVIDIA Forms 37-Member Open Secure AI Alliance and Open-Sources NOOA Framework - thehackernews.com
Nvidia and Tech Giants Launch AI Security Alliance - securityweek.com
New GitHub, PyPI Policies Boost Supply Chain Security - securityweek.com