Analysis of ransomware incidents by researchers at Black Kite found that attacks have risen by over 50% in the last year, with supply chain attacks increasing
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A previously undocumented Rust-based macOS implant and information stealer has been found to embed a prompt injection payload designed to trick a malware analyst's artificial intelligence (AI) tools and trick it into aborting or refusing an analysis of the artifact. The malware has been codenamed Gaslight owing to this deceptive behavior. It's been assessed with high confidence that the tool is
A malicious Microsoft Edge extension dubbed 'Edgecution' has been used in a ransomware attack to escape the browser sandbox and deploy a Python-based backdoor. [...]
Operation Endgame disrupts StealC malware infrastructure, seizing millions of stolen credentials and targeting servers used in global cybercrime campaigns.
A coordinated law enforcement operation, in partnership with private sector companies, including Bitdefender, Bitsight, ESET, and Microsoft, has resulted in the takedown of criminal infrastructure powering Amadey and StealC. "The main common goal was to disrupt the 'assembly lines' cybercriminals use to launch ransomware, financial fraud, and attacks on critical infrastructure," Europol said in
Operation Endgame seized around 50 domains and nearly 200 active IP-based servers associated with the infostealers
Microsoft, Europol, and international partners have disrupted infrastructure used by the Amadey and StealC malware operations as part of Operation Endgame, which targets cybercriminal services and ransomware gangs. [...]
In this article The role of infostealers: From credential theft to intrusion StealC: Infostealer for rent Amadey: Malware-as-a-service for delivery of infostealers Defending against StealC and Amadey intrusions Microsoft Defender detections Indicators of compromise Infostealers continue to be some of the most pervasive and impactful threats across the cybercrime ecosystem. They play a central role in intrusions, silently harvesting passwords, cookies, and session tokens before exfiltrating stolen data to attacker-controlled infrastructure. If not mitigated, these threats can turn a single consumer-device compromise into an enterprise risk: an infostealer infection on an employee’s personal device could yield corporate virtual private network (VPN) credentials, single sign-on (SSO) tokens, and session cookies that could allow an attacker to bypass multifactor authentication (MFA). In the cybercriminal ecosystem, infostealer families like StealC and malware delivery services like Amadey are sold and rented as commodities. Stolen data flows through an underground economy of access brokers that feeds ransomware and other operations. Because the initial infection usually happens outside managed endpoints, defenders might see the breach only after valid credentials are abused, underscoring the importance of identity protection, credential hygiene, and rapid response. In this blog, we examine how the infostealer economy has grown into a major threat to enterprise security, with a focus on StealC and Amadey. StealC is an infostealer that collects sensitive data from browsers, cryptocurrency wallets, messaging applications, email clients, and gaming platforms. It is a malware-as-a-service (MaaS) offering that threat actors use to generate customized payloads and manage stolen data through a centralized web panel. Meanwhile, Amadey is a MaaS loader that threat actors use to deliver StealC and other malware. Modular, pay-as-you-go models like StealC and Amadey allow threat actors to use a single initial infection to quickly escalate into multiple other threats. On June 24, 2026, Microsoft’s Digital Crimes Unit (DCU), working with Europol and industry partners, announced a coordinated disruption action resulting in the takedown, suspension, and blocking of domains and command-and-control (C2) servers that formed the backbone of StealC and Amadey infrastructure. In total, DCU identified over 200 malicious Amadey and StealC command-and-control domains and IPs and moved to shut them down through a mix of court orders, domain seizures, registrations, and provider notifications.As part of this disruption, DCU engineered tools, including the use of Microsoft Copilot, to analyze StealC and Amadey binaries efficiently. These efforts included creating a prompt agent for performing comprehensive analysis of functions, using prompt engineering to generate a Python script for string decryption and extraction of configuration parameters, using Copilot to analyze di
An NCC Group report warns state-backed hackers are attempting to hide activity by posing as ransomware groups and deploying commercially available malware
At least one malware developer is adding text about nuclear and biological weapons to their spyware, in an effort to stop automatic AI analysis. Details : The _index.js payload begins with a large JavaScript block comment containing fake system instructions and policy-triggering content. Because it is inside a comment, it does not affect JavaScript execution. The runtime skips it. The real malware begins after the comment with a try{eval(…)} wrapper around a large character-code array and a ROT-style substitution function. This header appears designed for AI-mediated analysis, not for Node, Bun, or Python. It attempts to derail scanners or analyst copilots that feed the beginning of a file to a language model without clearly isolating the content as untrusted data. In weak pipelines, this can cause refusal behavior, prompt confusion, context pollution, or premature classification before the scanner reaches the actual malware. This is not a magical bypass against static detection. YARA rules, entropy checks, AST parsing, string extraction, deobfuscation, and behavioral rules still work. But it is a practical anti-analysis trick against naive LLM-first triage systems.
A new backdoor dubbed Mistic has been observed in financially motivated attacks targeting organizations in the insurance, education, IT, and professional services sectors. [...]
A new macOS ClickFix campaign is using Terminal commands to silently download, mount, and launch info-stealing malware from malicious disk image (DMG) files. [...]
Microsoft researchers warn of a new dual-action cryptocurrency clipper (CryptoBandits Malware) spreading through USB devices to alter wallet addresses and steal crypto assets.
It’s Monday again. This week’s threat list looks painfully familiar: abused integrations, fake tools, poisoned websites, ransomware crews trying to shut down security tools, and mobile malware asking for way too much control. The annoying part is how little of this feels new. Weak credentials, sketchy downloads, browser extensions with too much access, and WordPress sites are used to push more
Canada's spy service got a judge's permission to reach into infected servers, home routers, and IoT gear sitting on Canadian soil and neutralize two foreign-run botnets. The Federal Court released a public version of the ruling on June 15. It is the first time the Canadian Security Intelligence Service has used its threat reduction warrant powers this way. The warrant let CSIS alter,
A new malware family is turning forgotten home routers into a distributed reconnaissance and proxy network, not the DDoS botnet these devices usually end up in. QiAnXin's XLab calls it AryStinger and counts at least 4,300 infected routers, a total it says is still rising. The distinction matters. AryStinger exists for the stage of an attack that comes before the break-in. Infected
A new report from INTERPOL has revealed a "dramatic increase" in cybercrime in Asia and the South Pacific, fueled by rapid digitalization, internet penetration, new technologies, organized criminal networks, and a disparity in cybersecurity maturity. According to INTERPOL's 2025/2026 Asia and South Pacific Cyberthreat Assessment Report, phishing has emerged as the most widespread and
A previously undocumented malware botnet named AryStinger has compromised more than 4,000 outdated routers to turn them into proxies for malicious traffic. [...]
A new ransomware operation named 'Prinz Eugen' prioritizes recently modified files for encryption and leaves no ransom note on the system. [...]
SocGholish malware has been removed from 15,000 sites associated with Evil Corp hackers