A sophisticated ClickFix campaign targets both Windows and macOS users through fake CAPTCHA pages that trick victims into executing malicious commands. The macOS variant deploys an AppleScript-based infostealer that harvests sensitive data including keychain databases, credentials, and session cookies from 12 browsers, over 200 browser extensions, and 16 cryptocurrency wallets. The malware employs a persistent, non-closable dialog box mimicking legitimate system prompts to force victims into providing their system password. Stolen session cookies enable attackers to bypass multi-factor authentication by hijacking active sessions. The campaign uses client-side JavaScript to filter victims by user-agent, directing desktop users to OS-specific payloads while ignoring mobile devices. Latest macOS updates include native terminal security warnings designed to alert users against pasting potentially malicious commands.
AdaptixC2 is an emerging open-source post-exploitation framework rapidly adopted by threat actors in APT attacks and ransomware campaigns. Written in Go and C++, it supports Windows, macOS, and Linux with extensive modularity through Beacon Object Files (BOFs). The framework enables diverse command-and-control channels including HTTP/S, TCP, mTLS, DNS, DoH, and SMB with RC4 encryption throughout. It implements sophisticated evasion techniques targeting both network detection systems and endpoint defenses. Despite advanced obfuscation capabilities, network-level detection remains viable through analysis of distinctive communication patterns, header structures, and behavioral indicators. The framework supports credential harvesting via LSASS dumping, LAPS exploitation, and Kerberos attacks, alongside defense evasion through process injection and lateral movement via WinRM and PsExec. Combined NDR and EDR solutions provide effective multi-layered detection coverage against AdaptixC2 operations across network ...
Microsoft Threat Intelligence uncovered a macOS-focused cyber campaign by North Korean threat actor Sapphire Sleet utilizing social engineering to compromise systems. The attack chain begins with a malicious AppleScript file disguised as a Zoom SDK update, which executes cascading payloads through curl-to-osascript chains. The campaign deploys multiple backdoors including com.apple.cli, services, icloudz, and com.google.chromes.updaters for persistence and command execution. Credential harvesting occurs through fake system dialogs that mimic legitimate macOS password prompts. The threat actor bypasses Transparency, Consent, and Control protections by directly manipulating the TCC database, enabling extensive data exfiltration targeting cryptocurrency wallets, browser credentials, Telegram sessions, SSH keys, and Apple Notes. Operations focus on cryptocurrency, finance, and blockchain organizations with the primary objective of stealing digital assets.
On April 11, 2026, researchers analyzed a CHM file (api_reference.chm) tagged as Kimsuky that initiated a three-stage attack chain. The C2 server at check[.]nid-log[.]com had directory listing enabled, allowing recovery of complete source code for all payload stages: a 6,338-byte VBScript performing system reconnaissance and establishing persistence via scheduled task, a 449-byte VBScript bridge to PowerShell, and a 6,234-byte PowerShell keylogger with clipboard monitoring and timed exfiltration. The infrastructure included 79+ domains across 5 C2 IPs spanning Korean VPS providers. The server responded with "Million OK !!!!" signature, matching previously documented Kimsuky infrastructure while showing upgraded Apache/PHP stack. The operation targeted Korean Naver users through credential phishing and tax authority impersonation, with infrastructure linked to previously documented Kimsuky campaigns via shared DAOU Technology subnets.
This analysis examines a sophisticated multi-stage infection chain utilizing Agent Tesla malware. The attack begins with a phishing email containing a RAR file, which includes an obfuscated JSE file. This initial stage triggers a series of script-based evasions, leading to the download and decryption of a PowerShell script. The malware then employs process hollowing to inject its payload into a legitimate Windows process, evading detection. Before exfiltrating data, the malware performs anti-analysis checks to avoid security software and virtual environments. Finally, Agent Tesla harvests sensitive information, including browser cookies and contacts, exfiltrating the data via SMTP to a command-and-control server.
A malware campaign targeting macOS users uses typosquatted domains impersonating the Homebrew package manager to trick victims into executing malicious commands. The attack delivers Cuckoo Stealer, a credential harvester that establishes persistence, bypasses Gatekeeper, and exfiltrates sensitive data including browser credentials and cryptocurrency wallets.
Between February and September 2025, BlueDelta, a Russian state-sponsored threat group linked to the GRU, conducted multiple credential-harvesting campaigns. The group targeted individuals associated with energy research, defense cooperation, and government communication networks in Turkey, Europe, North Macedonia, and Uzbekistan. BlueDelta impersonated legitimate webmail and VPN services, using free hosting and tunneling services to host phishing content and capture user data. The campaigns incorporated PDF lures and customized JavaScript to increase authenticity and operational efficiency. This activity demonstrates BlueDelta's continued focus on low-cost, high-yield methods for collecting information supporting Russian intelligence objectives.
During the holiday season, threat actors exploit overloaded inboxes and financial stress through two main patterns: Docusign-themed phishing for corporate credential harvesting and loan offer spam for personal data theft. The Docusign campaign uses spoofed emails with authentic-looking branding, redirecting through disposable hosting platforms to a credential harvesting page. The loan scams range from obvious 'Xmas loan' offers to sophisticated marketing-style emails, ultimately leading victims to a detailed identity theft questionnaire on christmasscheercash.com. Both scams utilize seasonal themes and mimic normal end-of-year workflows to increase effectiveness. Defensive measures include verifying sender domains, validating link destinations, and treating unsolicited loan offers as high risk.
Between June 2024 and April 2025, a sustained credential-harvesting campaign targeting UKR.NET users was identified, attributed to the Russian state-sponsored threat group BlueDelta. The group deployed multiple credential-harvesting pages themed as UKR.NET login portals, leveraging free web services and proxy tunneling platforms to collect user credentials. BlueDelta distributed PDF lures with embedded links to evade detection. The campaign demonstrates the group's adaptability and persistent focus on Ukrainian user credentials for intelligence purposes. Infrastructure changes, including the transition to ngrok and Serveo, reflect responses to takedown efforts. The activity highlights the GRU's continued interest in compromising Ukrainian credentials amid ongoing conflict.
A sophisticated malware campaign exploits user trust in AI platforms to deliver the AMOS stealer. Attackers use SEO poisoning to surface malicious ChatGPT and Grok conversations offering 'helpful' macOS disk cleanup advice. These conversations contain Terminal commands that, when executed, deploy AMOS, a multi-stage malware that harvests credentials, escalates privileges, and establishes persistence. The attack bypasses traditional security measures by leveraging legitimate platforms and user behavior, making it particularly insidious. AMOS targets cryptocurrency wallets, browser data, and system information, exfiltrating sensitive data to attacker-controlled servers. This campaign represents a significant evolution in social engineering techniques, exploiting the growing reliance on AI assistants for technical guidance.
A threat campaign linked to the Scattered Lapsus$ Hunters group is targeting Zendesk users through over 40 typosquatted domains impersonating Zendesk and various organizations. These domains host phishing pages to harvest credentials. Attackers also submit fraudulent tickets to Zendesk portals to infect support staff with remote access trojans (RATs). This campaign follows similar attacks on other SaaS platforms like Salesforce, with Discord reportedly breached via its Zendesk support system. The attack leverages phishing, typosquatting, and social engineering to compromise customer service environments. Organizations are advised to implement strong authentication, monitor for typosquatted domains, and secure Zendesk chat to mitigate risks. The threat poses a medium severity risk due to its potential to compromise sensitive support operations and enable persistent access. No CVSS score is available, but the attack's impact on confidentiality and integrity, combined with ease of exploitation, warrants a medium severity rating.
Shai-Hulud 2.0 is a highly aggressive and automated supply-chain malware targeting the npm ecosystem, identified in November 2025. It rapidly compromises hundreds of npm packages within hours, behaving like a worm that harvests credentials and cloud secrets. The malware leverages GitHub Actions as a persistent backdoor and creates public repositories to exfiltrate stolen data. This attack represents a significant escalation in supply-chain attack sophistication, affecting major projects and organizations globally. It results in tens of thousands of attacker-created GitHub repositories, facilitating widespread propagation. The malware automates spreading to new npm accounts, increasing infection speed and scale. It does not require user interaction once initial compromise occurs and exploits trusted software supply chains. No CVE or patch is currently available, and no known exploits in the wild have been reported yet. The attack’s medium severity rating may underestimate its potential impact given its worm-like behavior and credential theft capabilities.
The UNK_SmudgedSerpent threat actor, likely linked to Iranian espionage efforts, targeted academics and foreign policy experts from June to August 2025 using phishing campaigns with domestic political and health-related lures. The actor employed Remote Management & Monitoring (RMM) tools and credential harvesting techniques, showing overlapping tactics with known Iranian groups such as TA455, TA453, and TA450. Although attribution is not definitive, the targeting aligns with Iranian intelligence priorities, focusing on sensitive policy and academic sectors. The campaign's medium severity reflects moderate impact potential without known exploits in the wild. European organizations involved in foreign policy, academia, and research are at risk, especially in countries with strong diplomatic ties or geopolitical interest in Iran. Mitigation requires targeted user awareness, strict monitoring of RMM tool usage, and enhanced email filtering tuned to political and health-themed lures. Countries like Germany, France, the UK, Italy, and the Netherlands are most likely affected due to their active academic communities and diplomatic engagement with Iran. The threat's medium severity is due to its espionage focus, moderate ease of exploitation via phishing, and the absence of widespread destructive payloads or zero-day exploits. Defenders should prioritize detection of credential harvesting and suspicious RMM activity while maintaining vigilance for evolving Iranian espionage tactics.
APT SideWinder has launched a new targeted operation dubbed Operation SouthNet, focusing on the maritime sector in South Asia, particularly Pakistan and Sri Lanka. The group leverages free hosting platforms to deploy credential-harvesting portals and weaponized lure documents, while staging malware in open directories. Over 50 malicious domains were uncovered across various platforms, with Pakistan accounting for 40% of the identified domains. The campaign utilizes maritime and port-themed lures to target government and military entities. SideWinder's infrastructure overlaps with legacy C2 assets, indicating recycling across multiple years. The group maintains a high operational tempo, with new phishing domains emerging every 3-5 days.
A widespread software supply chain attack targeting the Node Package Manager (npm) ecosystem has been discovered, involving a novel self-replicating worm called "Shai-Hulud". The worm has compromised over 180 software packages, including widely used libraries. It operates by harvesting credentials, exfiltrating data, and automatically propagating itself through compromised developer accounts. The attack likely originated from a phishing campaign spoofing npm. The malware scans for sensitive credentials, including npm tokens and cloud service API keys, and publicly exposes them on GitHub. This attack represents a significant evolution in supply chain threats, potentially leading to cloud service compromises, data theft, and lateral movement within networks.
In 2025, a significant surge in phishing attacks targeting major U.S.energy companies was observed. The campaign primarily focused on Chevron, ConocoPhillips, PBF Energy, and Phillips 66, utilizing sophisticated impersonation techniques. Attackers employed HTTrack-based cloning to replicate legitimate websites, creating over 1,465 phishing domains. The infrastructure was distributed across multiple hosting providers and countries to evade takedowns. Notably, Chevron faced the highest volume of impersonation attempts with 158 fake domains. The phishing sites combined credential harvesting with investment scam frameworks, enhancing their profitability. Many malicious domains showed low detection rates across security vendors, exposing gaps in current defense systems. The analysis highlights the need for improved threat intelligence integration and faster mitigation strategies in the energy sector.
Amazon's threat intelligence team has uncovered and disrupted a watering hole campaign conducted by APT29, a Russian threat actor. The campaign involved compromising legitimate websites to redirect visitors to malicious infrastructure, tricking users into authorizing attacker-controlled devices through Microsoft's device code authentication flow. This opportunistic approach demonstrates APT29's evolving tactics in scaling their operations for intelligence collection. The group employed techniques such as injecting obfuscated JavaScript, rapidly adapting infrastructure when faced with disruption, and using server-side redirects. Amazon's response included isolating affected EC2 instances, partnering with providers to disrupt domains, and sharing information with Microsoft. The article provides recommendations for user and organizational protection against such attacks.
SentinelLABS and Beazley Security uncovered a series of infostealer campaigns delivering the Python-based PXA Stealer. The malware, which first appeared in late 2024, has evolved to incorporate sophisticated anti-analysis techniques and a hardened command-and-control infrastructure. Over 4,000 unique victim IP addresses from 62 countries were identified, with South Korea, the United States, and the Netherlands being the most targeted. The stolen data includes passwords, credit card records, and browser cookies. The threat actors, linked to Vietnamese-speaking cybercriminal circles, monetize the stolen data through a subscription-based underground ecosystem that automates resale via Telegram's API. The campaign showcases the growing trend of weaponizing legitimate infrastructure for large-scale information theft and monetization.
Chinese cyberespionage group APT41 conducted a targeted attack against government IT services in Africa. The attackers used various tools including Impacket, Cobalt Strike, and custom malware for lateral movement, privilege escalation, and data exfiltration. They leveraged DLL sideloading techniques and a compromised SharePoint server as a command and control center. The attack involved credential harvesting, use of web shells, and custom stealers to collect sensitive data. Notable TTPs included using hardcoded internal service names and proxy servers in malware, and exploiting a captive SharePoint server for C2 communication. The incident highlights the importance of comprehensive infrastructure monitoring and proper access controls.
A new email attack distributing DCRAT, a Remote Access Trojan, has been uncovered. The threat actor impersonates a Colombian government entity to target organizations in Colombia. The attack employs multiple evasion techniques, including password-protected archives, obfuscation, steganography, base64 encoding, and multiple file drops. DCRAT features a modular architecture, comprehensive surveillance capabilities, information theft functions, system manipulation tools, file and process management, and browser credential harvesting. The attack chain involves a phishing email with a ZIP attachment containing a bat file, which drops an obfuscated vbs file. This file eventually runs a base64-encoded script that downloads and executes the final payload. The RAT employs various persistence mechanisms and anti-analysis techniques. It attempts to bypass Windows Antimalware Scan Interface (AMSI) and continuously tries to connect to its command-and-control server.
