Cyware Weekly Cyber Threat Intelligence February 18-22, 2019

Cyware Weekly Cyber Threat Intelligence February 18-22, 2019 - Featured Image

Weekly Threat Briefing • February 22, 2019

The Good

We’re back with the most interesting cybersecurity news of the week. Let’s start with all the positive advancements that happened in the cybersecurity landscape. Google has developed a browser API called ‘Trusted Types’ that helps Chrome fight against DOM-based XSS attacks. SK Telecom has announced to launch its Quantum Security Gateway solution to prevent hacking in self-driving cars. Meanwhile, a group of researchers has been working on a system to detect run-time trojan attacks on deep neural networks (DNN) models.

  • Google has developed a new Chrome feature that fights against DOM-based XSS attacks. This new feature is a browser API called ‘Trusted Types’ that helps Chrome fight against certain cross-site scripting XSS vulnerabilities. The feature adds another level of protection at the browser level to protect users from cross-site scripting vulnerabilities such as DOM-based XSS.
  • SK Telecom has announced to launch its Quantum Security Gateway solution to prevent hacking in self-driving cars. The solution is an integrated security device that will be installed inside cars and protects various electronic units and networks in the cars. The gateway solution once installed inside cars, monitors various devices for Vehicle-2-Everything (V2X), Bluetooth, radar, smart keys, and driver assistance systems.
  • A group of researchers along with CSIRO’s Data61 has been working on a system to detect run-time trojan attacks on deep neural networks (DNN) models. The system named STRIP (STRong Intentional Perturbation) effectively detects trojan attacks on DNN-based computer vision applications.

The Bad

Several data breaches and massive cyber attacks occurred over the past week. The third batch containing 93 million accounts stolen from 8 companies was put up for sale on the Dream Market marketplace. NCBP POS Vendor suffered a breach compromising nearly 140 restaurants. In the meantime, an unprotected server exposed almost 2.7 million health-related call recordings that dated back to 2013.

  • The seller ‘gnosticplayers’ was back this week with a collection of 93 million stolen account credentials from 8 companies. This is the third batch made available for sale by gnosticplayers in the Dream Market marketplace which is worth 2.6249 bitcoin amounting to $9,400.
  • Attackers compromised North Country Business Products (NCBP) IT systems and planted malware on its clients’ Point-of-Sale (POS) systems. The attack has impacted nearly 140 food chains such as coffee shops, restaurants, bars, standalone hotels, and various food chain franchises. The impacted food chains included Dunn Brothers Coffee, Someburros, Zipps Sports Grill, and more.
  • A storage server containing real-time call recordings made to the 1177 Swedish Healthcare Guide helpline for health care information was found publicly available without any password protection. The unprotected server which was left open without a password exposed almost 2.7 million health-related call recordings that dated back to 2013.
  • JD Finance Android App stored users’ screenshots to its cache without user permission. A user posted a video on Weibo describing how the Android app for JD finance stored screenshots taken of his account on the China Merchants Bank app to its cache. According to the user, the screenshots containing sensitive banking information was intercepted without his knowledge.
  • White hat hackers have flooded VKontakte (VK) with a spam campaign as part of a revenge prank against the social network as the company failed to acknowledge the security researcher who reported a vulnerability a year ago. The white hat hackers carried out the spam campaign with a computer worm created by Baghosi, which is a community for Russian social media app developers.
  • A hacker compromised Tampa Mayor Bob Buckhorn's Twitter account on 21, February 2019. The hacker used the compromised account to send out fake bomb threats and missile threats against the City of Tampa staff, Tampa International Airport, and the Tampa VA office.
  • An unprotected MongoDB instance exposed private data of almost 458,388 individuals residing in Delhi, India. The unprotected database was 4.1 GB sized and was named ‘GNCTD’ which also stands for Government of National Capital Territory of Delhi. The exposed data included individuals personal data such as Aadhaar numbers, voter card numbers, ration card numbers, designation, means of transportation, health conditions, monthly income, education, etc.
  • AdventHealth has notified 42,000 patients about a 2017 data breach that went on for more than a year. The incident occurred in August 2017 and lasted until December 2018. The breached data included patients’ medical histories, insurance carriers, Social Security numbers, names, phone numbers, dates of birth, health insurance information, weights, and email addresses.
  • Researchers observed a new Ad fraud campaign dubbed ‘DrainerBot’ which plays invisible ad videos in Android devices via infected apps. The DrainerBot ad fraud scheme uses malicious codes in Android apps to deliver ad videos to mobile devices that have installed the infected apps. The ad fraud scheme has been distributed via infected Android applications that have almost 10 million downloads.
  • A new phishing attack dubbed ‘NoRelationship’ was observed recently that bypasses Microsoft’s Exchange Online Protection (EOP) URL filters which scans Microsoft Office documents such as Word (.docx), Excel (.xlsx), and PowerPoint (.pptx). The attackers behind the ‘NoRelationship’ phishing campaign deleted external links from a relationship (xml.rels) file which is a legitimate file that lists all links included in an attachment. This lead to Microsoft’s Exchange Online Protection filters not detecting the malicious URL.

New Threats

Over the past week, several new vulnerabilities and malware strains emerged. A Monero cryptocurrency-mining malware variant has been found using a combination of RADMIN and MIMIKATZ exploit tools to spread across networks. Researchers uncovered a new ATM malware dubbed WinPot that uses a slot machine interface to steal funds by compromising ATMs. Last but not least, Researchers spotted a critical flaw in four popular password managers that could allow attackers to steal login credentials from the PC’s memory.

  • A Monero cryptocurrency-mining malware variant has been found using a combination of RADMIN and MIMIKATZ exploit tools to spread across the local area networks. The attack campaign primarily targets companies in China, Taiwan, Italy, and Hong Kong.
  • Researchers from Avast detected a new malware strain dubbed Rietspoof, which is distributed via instant messaging clients such as Facebook Messenger and Skype. Rietspoof is a multi-stage malware that utilizes several stages to drop a more versatile malware. The actual Rietspoof malware is dropped in the third stage with capabilities such as downloading or uploading files, starting processes, or initiating a self-destruct function.
  • Researchers spotted a critical flaw in four popular password managers in Windows 10. The vulnerable password managers, when installed and enabled on a system, could allow attackers to steal login credentials from the PC’s memory. The four password managers in question are 1Password, Dashlane, KeePass, and LastPass.
  • A new phishing campaign using a new variant of Separ malware was recently observed infecting hundreds of businesses located mainly in Southeast Asia, the Middle East, and North America. The attack started at the end of January and has affected around 200 companies and over 1,000 individuals.
  • A new malware dubbed Muncy has been spotted targeting victims worldwide. Muncy malware is distributed via a phishing campaign that impersonates the logistics giant DHL to trick users. Apart from spoofing the emails, the attackers behind Muncy are also leveraging poorly configured SMTP servers to distribute the malware.
  • A Security firm recently discovered that LUNAR SPIDER, developer of BokBot distributed WIZARD SPIDER’s custom variant TrickBot. The security firm’s findings revealed that a BokBot executing a loader, also downloaded a separate TrickBot loader. When this TrickBot’s configuration file was analyzed, both trojans also had similar features.
  • Windows servers running IIS are impacted by a bug that allows malicious HTTP/2 requests to severely affect its performance. The vulnerability can cause a CPU usage spike up to 100 percent if abused by malicious HTTP/2 requests sent to a Windows server running IIS. Microsoft has addressed this bug through its 14 updates released for Windows OS and Windows servers.
  • Researchers uncovered a new ATM malware dubbed WinPot that uses a slot machine interface to steal funds by compromising ATMs. WinPot, also known as ATMPot, is designed to compromise the ATMs and force these machines to empty their cassettes of all funds. A seller of the malware has recently offered WinPot v.3 which includes a revamped interface and a currently unidentified program called ‘ShowMeMoney’.
  • A new malware campaign targeting Russian organization with specially crafted malicious Word documents was observed recently. The malware campaign was linked to the North Korean Lazarus threat group also known as HIDDEN COBRA. Researchers noted that the Lazarus threat actor group’s new campaign targeting Russian entities uses Word documents in the initial infection stage and then drops the KEYMARBLE backdoor Trojan.
  • Drupal CMS notified its users of a highly critical vulnerability that could lead to remote code execution of PHP. The critical bug affects Drupal core branches Drupal 8.6x, Drupal 8.5x and earlier. The bug also impacts other web services modules enabled such as JSON:API in Drupal 8 and Service Module or the RESTful web services module in Drupal 7. Drupal noted that the bug was due to some files failing to properly sanitize data from non-form sources.

Related Threat Briefings

Aug 15, 2025

Cyware Weekly Threat Intelligence, August 11–15, 2025

Ransomware gangs are taking heavy hits on multiple fronts. In Operation Checkmate, U.S. authorities seized $1.1 million in ransom-linked cryptocurrency and shut down four servers and nine domains tied to the BlackSuit group. At the same time, researchers dealt a critical blow to DarkBit ransomware, linked to Iran’s MuddyWater APT, by exploiting flaws in its AES-128-CBC key generation to crack the encryption.

Aug 8, 2025

Cyware Weekly Threat Intelligence, August 04–08, 2025

In the wake of recent cyberattacks, the US federal judiciary is locking down sensitive court documents with a fortified approach to cybersecurity. Courts nationwide are enforcing stricter access controls, monitored handling procedures, and a mandatory IT security “scorecard” for annual self-assessments to pinpoint vulnerabilities. DARPA is raising the stakes at DEF CON, pitting seven AI-powered cyber reasoning systems against each other to secure the open-source software underpinning critical infrastructure. These autonomous tools, designed to detect and patch vulnerabilities in code vital to water systems and financial institutions, analyzed 7.8 million lines in preliminary rounds, catching 59% of synthetic flaws and uncovering real ones. Akira ransomware is striking with surgical precision, exploiting a suspected zero-day flaw in SonicWall SSL VPN devices, even those fully patched. Since mid-July 2025, attackers have used Virtual Private Server logins to bypass MFA, hitting multiple targets in rapid succession. A stealthy Python-based PXA Stealer is sweeping across 62 countries, pilfering sensitive data from unsuspecting victims. This infostealer campaign has exfiltrated hundreds of thousands of passwords and more. Phishing emails disguised as court summons are delivering a malicious payload to Ukrainian government and defense sectors, courtesy of UAC-0099. A cunning Android RAT, PlayPraetor, is sweeping through six countries, already compromising over 11,000 devices with its deceptive tactics. It masquerades as legitimate apps via fake Google Play Store pages and Meta Ads. ClickTok is luring TikTok Shop users into a trap with a crafty blend of phishing and malware. This global campaign deploys over 10,000 fake TikTok websites and 5,000 malicious apps, impersonating TikTok’s e-commerce platforms to steal cryptocurrency wallet credentials. Ghost Calls, a new evasion tactic, is turning Zoom and Microsoft Teams into covert channels for malicious activity, slipping past traditional defenses with ease.

Aug 1, 2025

Cyware Weekly Threat Intelligence, July 28–August 01, 2025

Picture this: a tool so fast it dissects malware at lightning speed, giving your team the edge in a digital arms race. Meet Thorium, the CISA’s latest open-source gem. This platform automates cyberattack investigations, processing over 1,700 jobs per second and ingesting 10 million files per hour per permission group. Meanwhile, as AI reshapes the battlefield, OWASP is arming professionals with fresh guidance to secure agentic AI applications driven by LLMs. It’s a playbook for locking down user authentication with OAuth 2.0, encrypting sensitive data, and bolstering supply chain security. Cybercriminals are donning digital disguises, impersonating trusted enterprises with fake Microsoft OAuth applications to steal credentials and bypass multi-factor authentication. Hackers exploited a critical SAP NetWeaver flaw to deploy the Auto-Color Linux malware. This malware, equipped with a rootkit and adaptive evasion tactics, adjusts its behavior based on user privileges. Operation CargoTalon, tied to threat cluster UNG0901, targeted organizations with EAGLET malware hidden in fake invoice files, quietly siphoning off sensitive data to a C2 server. A newly discovered cyberattack technique, dubbed Man in the Prompt, is turning browser extensions into unwitting accomplices in data theft from generative AI tools. DoubleTrouble is targeting users through Discord-hosted APKs, disguising itself as a legitimate app to slip past defenses. A stealthy Android banking trojan, RedHook, is targeting Vietnamese users through phishing sites mimicking trusted agencies. Spread via a malicious APK on an exposed AWS S3 bucket, it exploits accessibility services to steal credentials and banking details, with over 500 infections tied to Chinese-speaking actors.

Jul 25, 2025

Cyware Weekly Threat Intelligence, July 21–25, 2025

The BlackSuit ransomware crew just lost its home turf. As part of Operation Checkmate, international law enforcement has seized the group’s dark web extortion and negotiation sites. New York is taking aim at cyber threats to its water systems. A newly proposed set of regulations outlines mandatory IT and OT cybersecurity measures for water and wastewater infrastructure, aligning with federal guidelines and introducing funding to support modernization across the state. Not every scam needs sophistication, sometimes all it takes is a lonely heart and a convincing profile picture. SarangTrap, a massive mobile spyware campaign, is luring victims on Android and iOS through fake dating apps. Storm-2603 is slipping through SharePoint’s cracks and locking the doors behind it. The suspected China-based threat group is exploiting two SharePoint vulnerabilities to deploy Warlock ransomware. A trusted source turned treacherous. Hackers launched a supply chain attack on Arch Linux by slipping malware into three AUR packages. These packages silently deployed a RAT that gave attackers persistent control over infected machines. A browser tweak here, a fake mod there, and suddenly your crypto wallet spills its secrets. In a new campaign, the Scavenger trojan exploits DLL Search Order Hijacking to infiltrate password managers and wallets. A new RaaS group called Chaos is conducting high-impact ransomware campaigns through a number of tactics, using remote management tools for long-term access. Mimo is getting stealthier and greedier. The financially motivated group has moved from targeting Craft CMS to Magento, exploiting PHP-FPM vulnerabilities to deploy malware via fileless techniques.

Jul 18, 2025

Cyware Weekly Threat Intelligence, July 14–18, 2025

A keyboard army just lost its command center. Europol’s Operation Eastwood has crippled the pro-Russian hacktivist group NoName057(16). The international effort, involving law enforcement from 12 nations, led to two arrests and the takedown of over 100 servers linked to the group’s “DDoSia” project. Britain wants bug-hunters on its side. The NCSC has launched the Vulnerability Research Initiative, a new program inviting external researchers to help uncover security flaws in widely used hardware and software. Cisco Talos uncovered a MaaS campaign targeting Ukraine, where attackers used Amadey malware and GitHub repositories to stage payloads. The setup mimics tactics from a SmokeLoader phishing operation. Over 600 malicious domains are distributing fake Telegram APKs to unsuspecting users. Most are hosted in China and exploit the Janus vulnerability in Android. Users who trusted GravityForms’ official site got more than they expected. A supply chain attack injected backdoors into plugin files distributed via the official site and Composer. The H2Miner botnet has resurfaced with updated scripts that mine Monero, kill rival malware, and deploy multiple malware. Bundled with it is Lcrypt0rx, a likely AI-generated ransomware that exhibits sloppy logic, malformed syntax, and weak encryption using XOR. A new Konfety variant uses the same package name as a legitimate app but hides the real payload in a lookalike version distributed through third-party stores. One sandbox escape makes five. Google patched a high-severity Chrome flaw that lets attackers break out of the browser’s sandbox using crafted HTML and unvalidated GPU commands.

Jul 11, 2025

Cyware Weekly Threat Intelligence, July 07–11, 2025

You don’t need to visit shady corners of the internet to get infected, GitHub will do. A malware campaign is disguising Lumma Stealer as tools like Free VPN for PC, using polished project pages, Base64 payloads, and trusted Windows processes to slip past defenses. The Anatsa banking trojan slipped back into Google Play, targeting North American users with fake maintenance screens while logging keystrokes and automating fraudulent transactions. Crypto users are being lured in by fake AI and gaming firms offering too-good-to-be-true deals.

Jul 4, 2025

Cyware Weekly Threat Intelligence, June 30–July 04, 2025

It looked like a crypto investment until €460 million vanished. Operation BORRELLI dismantled a global fraud ring that scammed over 5,000 victims, with arrests in Madrid and the Canary Islands. A fake workforce was quietly funding a real regime. The DoJ disrupted a North Korean scheme where remote IT workers used stolen identities to get jobs at over 100 U.S. companies. The operation funneled $5 million to the DPRK, exposed military tech, and led to raids across 16 states. Sometimes, the app that looks harmless is just the decoy. Recent investigations uncovered massive Android fraud schemes, including IconAds and Kaleidoscope, which used icon hiding, fake apps, and third-party distribution to flood ad networks with billions of fake requests. Two different names - same tactics, same tools, same playbook. Researchers have found striking overlaps between TA829 and the lesser-known UNK_GreenSec, both of which use phishing lures and REM Proxy services through compromised MikroTik routers. It starts with what looks like an official message from the Colombian government. Behind it is a phishing campaign delivering DCRAT, a modular remote access tool designed for theft and system control. Botnet operators are now turning broken routers into system wreckers. RondoDox is a new Linux-based botnet exploiting CVE-2024-3721 and CVE-2024-12856 to gain remote access to TBK DVRs and Four-Faith routers. That Zoom update request on Telegram? It could be a trap. North Korean actors are deploying NimDoor malware to infiltrate Web3 and crypto platforms using social engineering via Telegram. Google has patched CVE-2025-6554, a critical zero-day in Chrome’s V8 engine that was exploited in the wild to execute arbitrary code.

Jun 27, 2025

Cyware Weekly Threat Intelligence, June 23–27, 2025

A Common Good Cyber Fund was launched to support non-profits delivering critical cybersecurity services for public benefit. The fund is backed by the U.K and Canada, with G7 leaders endorsing similar initiatives. A phishing email is all it takes to breach critical infrastructure. The OneClik APT campaign is targeting energy and oil sectors using Microsoft ClickOnce to deliver a .NET loader and Golang backdoor. A handful of outdated routers is all it takes to build a persistent espionage network. The LapDogs campaign is targeting SOHO devices with a custom backdoor called ShortLeash, giving attackers root access and control over compromised systems. A familiar package name could be hiding far more than useful code. North Korean actors behind the Contagious Interview campaign have published 35 malicious npm packages, including keyloggers and multi-stage malware. A fake Windows update might just be the start of something worse. The EvilConwi campaign is abusing ConnectWise ScreenConnect to deliver signed malware through tampered installers. Encrypted messaging apps aren’t immune to state-backed malware delivery. APT28 is targeting Ukrainian government entities via Signal, sharing macro-laced documents that deploy a backdoor named Covenant. Some WordPress plugins are doing a lot more than extending site functionality. Researchers uncovered a long-running malware campaign that uses rogue plugins to skim credit card data, steal credentials, and manage backend systems on infected sites.

Jun 20, 2025

Cyware Weekly Threat Intelligence, June 16–20, 2025

As cybercriminals weave intricate webs in the digital underworld, global defenders are cutting through the chaos. Six nations toppled Archetyp Market, a darknet drug bazaar with €250 million ($288 million) in Monero deals, nabbing its admin and vendors while seizing €7.8 million ($9 million) in assets. The U.K unveiled a Cyber Growth Action Plan, injecting £16m ($21.2m) to fortify its £13.2bn ($17.5bn) cybersecurity industry after attacks bled retailers like M&S. Stateside, the U.S. reclaimed $225 million in crypto from investment scams, marking the Secret Service’s biggest digital heist bust yet. Cloud services are being quietly turned into covert attack channels. The Serpentine#Cloud campaign is abusing Cloudflare Tunnels and Python to deploy fileless malware via invoice-themed phishing lures. A popular WordPress plugin is exposing sites to full takeover. It affects the AI Engine plugin, impacting over 100,000 websites and opening the door to site-wide compromise. An official-looking email from the tax department may be anything but. Silver Fox APT is targeting Taiwanese users with phishing emails posing as the National Taxation Bureau, delivering malware like Winos 4.0, HoldingHands RAT, and Gh0stCringe. A new Android trojan is turning devices into data-harvesting tools under attackers’ full control. Attributed to the LARVA-398 group, AntiDot has infected thousands of devices through phishing and malicious ads. A fake job offer could now come bundled with custom-built spyware. PylangGhost is targeting crypto professionals in India. Delivered through spoofed job sites, the malware includes registry tampering, remote control, and data exfiltration modules aimed at compromising Windows systems. One compromised travel site is now a launchpad for infostealer infections. A new ClickFix variant, LightPerlGirl, is using fake Cloudflare CAPTCHA prompts and clipboard hijacking to deliver the Lumma infostealer.

Jun 13, 2025

Cyware Weekly Threat Intelligence, June 09–13, 2025

A global sweep just knocked out thousands of malicious command centers. INTERPOL’s Operation Secure led to the dismantling of over 20,000 malicious IPs tied to 69 malware strains across 26 countries. NIST has published new guidance to help organizations put Zero Trust Architecture into action, offering 19 real-world implementations built with industry partners. CyberEye lowers the barrier for cybercrime with a plug-and-play toolkit. This .NET-based RAT uses Telegram for command and control while offering modules for keylogging, credential theft, and platform-specific data grabbing. The TokenBreak attack manipulates how text is tokenized in classification models to sneak past defenses. A Mirai variant is actively exploiting a command injection vulnerability in TBK DVR-4104 and DVR-4216 devices, to conscript them into a botnet for DDoS attacks. Unpatched IT tools are once again opening the door to ransomware attacks. CISA has warned about vulnerabilities in SimpleHelp RMM software being exploited by groups like Play and DragonForce in double-extortion campaigns. Fog ransomware operators are blurring the line between admin tools and attack chains. In a recent incident, they deployed a mix of open-source and legitimate software to gain persistence and exfiltrate data undetected. Over 20 phishing applications impersonating popular crypto wallets have been found stealing mnemonic phrases to drain users’ funds.

Jun 6, 2025

Cyware Weekly Threat Intelligence, June 02–06, 2025

Authorities have taken down a major hub for stolen financial data. The DOJ seized approximately 145 domains associated with the BidenCash marketplace, which had evolved from a small credit card shop in 2022 into a massive hub for stolen payment data. In a move to reinforce Europe’s cyber defenses, Microsoft is stepping in with strategic support. The newly launched European Security Program offers EU governments free access to AI-driven threat intelligence, vulnerability alerts, and guidance to counter attacks from state-sponsored actors. Not all GitHub projects are built with good intentions. Researchers uncovered a widespread campaign involving more than 130 repositories booby-trapped with malware disguised as game cheats, hacking tools, and utilities. A free software download could end up costing your entire crypto wallet. ViperSoftX is back in circulation, targeting crypto users with malicious PowerShell scripts bundled into cracked apps, keygens, and torrent packages. Some attackers mine crypto, JINX-0132 mines misconfigurations. This threat actor is running a stealthy cryptojacking campaign against DevOps platforms, exploiting exposed defaults and overlooked RCE flaws. Destruction masquerading as maintenance tools is hitting Ukraine’s infrastructure. Researchers attributed a new wiper malware called PathWiper to a Russia-linked APT group, targeting critical systems by leveraging legitimate administrative frameworks. A few swapped letters could be all it takes to get owned. A new supply chain attack targets Python and npm developers through typo-squatting and name confusion. A new Android banking trojan, named Crocodilus, has emerged in the threat landscape. It masquerades as legitimate apps like Google Chrome and uses overlay attacks to steal credentials from financial apps.

May 30, 2025

Cyware Weekly Threat Intelligence, May 26–30, 2025

Under the hood of vulnerability management, NIST just added a sharper diagnostic tool. The new Likely Exploited Vulnerabilities metric offers deeper insight into which CVEs are likely being used in the wild, complementing EPSS with more contextual signals. Digital warfare is no longer a future threat, it's a current investment. The U.K. Ministry of Defence has unveiled a £1 billion Cyber and Electromagnetic Command to protect military networks and support offensive cyber missions. With AI-driven systems like the Digital Targeting Web in development, the goal is seamless coordination across weapons platforms. A quiet but relentless campaign has been unfolding across multiple industries. The Chinese group Earth Lamia is targeting finance, government, logistics, and more by exploiting known web app vulnerabilities. APT41 hides malware commands where no one’s looking: your calendar. In a creative twist on C2 infrastructure, China-backed APT41 embedded encrypted instructions inside Google Calendar events. AyySSHush doesn’t make noise, it builds armies. More than 9,000 ASUS routers have been compromised by this botnet, which quietly slips in through a CVE-2023-39780 exploit. Fake CAPTCHA prompts are now doing more than testing if you're human—they're installing malware. EDDIESTEALER, a new Rust-based infostealer, spreads through deceptive CAPTCHA pages that trigger malicious PowerShell scripts. Threat actors are wrapping their tools in layers of obfuscation, and DOUBLELOADER is no exception. This new backdoor uses the ALCATRAZ obfuscator—once seen in the game-hacking scene—to disguise its presence. A new Go-based botnet called PumaBot is clawing its way through Linux IoT devices. It brute-forces SSH credentials, impersonates Redis files for stealth, and deploys rootkits to mine crypto and steal credentials.