The KRVTZ-NET IDS alert dated February 24, 2026, reports a low-severity reconnaissance event involving access to PHP info pages on web servers from IP address 20.194.25.241. PHP info pages disclose detailed server configuration and environment information that could aid attackers in identifying vulnerabilities. No active exploitation or payload delivery is indicated, and no known exploits or ransomware campaigns are associated with this activity. The alert is sourced from the CIRCL OSINT feed and is based on automated detection without human validation. While the immediate impact is minimal, such reconnaissance can precede more targeted attacks if leveraged by adversaries. The alert highlights the importance of securing web server configurations by disabling or restricting access to phpinfo pages and monitoring for suspicious access attempts. No patches or direct fixes are applicable since this is an observational detection of reconnaissance activity.
In his last two diaries, Xavier discussed recent malware campaigns that download JPEG files with embedded malicious payload[1,2]. At that point in time, I've not come across the malicious “MSI image” myself, but while I was going over malware samples that were caught by one of my customer's e-mail proxies during last week, I found another campaign in which the same technique was used.
Threat actors relying on AI have been exploiting exposed ports and weak credentials to take over FortiGate devices. The post Hundreds of FortiGate Firewalls Hacked in AI-Powered Attacks: AWS appeared first on SecurityWeek .
An active supply chain worm campaign, dubbed SANDWORM_MODE, is spreading through typosquatting and AI toolchain poisoning across at least 19 malicious npm packages. The worm exhibits Shai-Hulud characteristics, incorporating GitHub API exfiltration with DNS fallback, hook-based persistence, SSH propagation, and MCP server injection targeting AI coding assistants. It harvests credentials from developer and CI environments, exfiltrates data via multiple channels, and uses stolen identities to propagate. The campaign also includes a weaponized GitHub Action for CI secret harvesting. The worm employs a multi-stage design with obfuscated loaders, time-gated execution, and extensive configuration options. It targets high-traffic developer utilities, crypto tooling, and AI coding tools, posing a significant threat to the software supply chain.
PayPal blamed an application error for the exposure of customer personal information for nearly 6 months. The post PayPal Data Breach Led to Fraudulent Transactions appeared first on SecurityWeek .
A sophisticated ClickFix campaign has been uncovered, compromising legitimate websites to deliver a multi-stage malware chain. The attack culminates in MIMICRAT, a custom remote access trojan with advanced capabilities. The campaign uses compromised sites across industries and geographies for delivery, employing a five-stage PowerShell chain that bypasses security measures before deploying a Lua-scripted shellcode loader. MIMICRAT, the final payload, is a native C++ RAT featuring malleable C2 profiles, Windows token theft, and SOCKS5 proxy functionality. The attack chain involves multiple compromised websites, obfuscated scripts, and sophisticated evasion techniques, demonstrating a high level of operational sophistication.
The FBI has confirmed that the Ploutus malware, which has been around for over a decade, is still being used in the wild. The post FBI: $20 Million Losses Caused by 700 ATM Jackpotting Attacks in 2025 appeared first on SecurityWeek .
The malware leverages Gemini to analyze on-screen elements and ensure that it remains on the device even after a reboot. The post PromptSpy Android Malware Abuses Gemini AI at Runtime for Persistence appeared first on SecurityWeek .
ESET researchers have discovered PromptSpy, the first known Android malware to abuse generative AI in its execution flow. This malware uses Google's Gemini AI to analyze screen content and provide instructions for UI manipulation, allowing it to adapt to various devices and layouts. PromptSpy's main purpose is to deploy a VNC module for remote access to the victim's device. It also abuses the Accessibility Service to block uninstallation, captures lockscreen data, and records video. The campaign appears to target users in Argentina and was likely developed in a Chinese-speaking environment. PromptSpy demonstrates how incorporating AI tools can make malware more dynamic and capable of real-time decision-making, potentially expanding the pool of potential victims.
Savvy Seahorse, a DNS threat actor, employs sophisticated techniques to lure victims into fake investment platforms through Facebook ads. They use DNS CNAME records to create a traffic distribution system, enabling dynamic IP address updates and evasion of detection. The campaigns target multiple languages and involve fake ChatGPT and WhatsApp bots. Victims are convinced to create accounts, make deposits, and unknowingly transfer funds to Russian banks. The actor has been operating since August 2021, using dedicated hosting and frequently changing IP addresses. Their infrastructure includes approximately 4,200 base domains with CNAME records linked to subdomains of b36cname[.]site. The campaigns are short-lived, typically lasting 5-10 days per subdomain.
Infoblox security researchers have discovered a group of malicious domains hosting cryptocurrency scams, some linked to hacked YouTube channels. The domains, initially registered under CryptDesignBot, frequently change registrars to conceal information. They use lookalike domains to impersonate legitimate brands. Hacked YouTube channels are exploited to promote scam crypto domains through fake livestreams. The scams often claim to double cryptocurrency, mimicking old RuneScape scams. Many domains use keywords associated with celebrities and brands like Elon Musk and Tesla. Protective measures include implementing protective DNS, securing cookies, using HTTPS, generating random session IDs, and setting session timeouts. Infoblox's BloxOne Threat Defense offers protective DNS capabilities to combat sophisticated threats.
A new phishing tactic involving fake Microsoft and Google Calendar invites has been identified, aimed at stealing login credentials. These sophisticated attacks mimic designs from well-known platforms, exploiting routine business activities like scheduling meetings. Threat actors use email spoofing and create fake urgent calendar invitations to deceive employees. The phishing emails often contain buttons or links that redirect to fake login pages, closely resembling official Microsoft or Google login screens. The campaigns exploit the popularity of calendar invitations in corporate environments, allowing attackers to gather sensitive information if users are not vigilant. To prevent falling victim to these attacks, it is crucial to verify the authenticity of calendar invites, carefully check sender details, and avoid clicking suspicious links from unknown senders.
Arkanix Stealer, a newly discovered malware operating under a Malware-as-a-Service model, targets a wide range of user data including cryptocurrencies, gaming, and online banking information. The stealer, available in both Python and C++ versions, offers configurable features and employs various techniques to evade detection. It can extract data from multiple browsers, VPNs, and gaming platforms, as well as capture screenshots and RDP connection details. The malware authors promoted their product through a Discord server and implemented a referral program to attract customers. The campaign appears to have been short-lived, with infrastructure taken down around December 2025.
A new Android banking Trojan named Massiv has been discovered, posing a significant threat to mobile banking users. This malware allows remote control of infected devices and enables Device Takeover attacks, leading to fraudulent transactions from victims' accounts. Massiv is distributed through side-loading, often masquerading as IPTV applications. It features overlay functionality, keylogging, and SMS/Push message interception to steal sensitive data. The malware has targeted government applications and digital identity wallets, particularly in Portugal. Massiv supports screen streaming and UI-tree modes for remote control, bypassing screen capture protections. The trend of malware masquerading as IPTV apps is increasing, exploiting users' willingness to install from unofficial sources.
A new Android backdoor called Keenadu has been discovered embedded in the firmware of several tablet brands. It infects the libandroid_runtime.so library during firmware building, injecting itself into every app launched on the device. Keenadu provides attackers unrestricted control over victims' devices, primarily for ad fraud purposes. The investigation revealed connections between Keenadu and other major Android botnets like Triada, BADBOX, and Vo1d. The malware was found in system apps, Google Play apps, and modified versions of popular apps. Over 13,000 users worldwide have been affected, with Russia, Japan, Germany, Brazil and the Netherlands seeing the highest number of infections.
A widespread campaign is distributing the RenEngine loader malware disguised as pirated games and software. The loader uses a modified Ren'Py game engine to deliver payloads like Lumma and ACR stealers. It employs sophisticated techniques including sandbox evasion, process injection, and modular design. The infection chain involves decrypting and launching malicious code through legitimate applications. RenEngine has affected users globally, with Russia, Brazil, Turkey, Spain and Germany most impacted. The campaign highlights risks of pirated software and the need for robust security measures.
An investigation using Silent Push's Traffic Origin and residential proxy data revealed a suspicious Chinese VPN provider. The analysis focused on IP address 205.198.91.155, which showed unusual traffic from Russia, China, Myanmar, Iran, and Venezuela. This IP was linked to the domain lvcha.in, hosting a Chinese-language VPN. Further investigation uncovered nearly 50 related domains promoting the same VPN, suggesting attempts to bypass country-level firewalls. The VPN's infrastructure was found to use residential proxies and had connections to various high-risk countries. This case study demonstrates the importance of verifying physical and technical behaviors of connections to protect against fraud and state-sponsored actors using stolen identities and spoofed locations.
A malware campaign targeting WhatsApp users primarily in Brazil uses WhatsApp's 'View Once' message feature to deliver malicious ZIP archives containing VBS or HTA files. These files execute PowerShell scripts to download additional payloads, including scripts that steal WhatsApp user data and an MSI installer deploying the Astaroth banking trojan. The campaign evolved from IMAP-based to HTTP-based command and control communication and leverages Selenium Chrome WebDriver and the WPPConnect JavaScript library to hijack WhatsApp Web sessions, steal session tokens and contacts, and distribute spam. Over 250 victims have been identified, with 95% located in Brazil and some impact noted in Austria. The attack enables credential theft, session hijacking, persistence, and financial fraud through banking trojan deployment. No CVE or known exploits in the wild are reported, and the campaign is rated medium severity. Defenders should focus on user awareness, endpoint detection of PowerShell and script execution, and monitoring for suspicious WhatsApp Web activity.