Tag: BOTNET

Europol Targets Customers of Smokeloader Pay-Per-Install Botnet
Summary: Law enforcement agencies across the US and Europe have successfully identified customers of the Smokeloader botnet and made five arrests as part of Operation Endgame, which disrupted multiple malware infrastructures. The operation relied on a seized database to connect online identities with actual individuals, leading to collaborations with several suspects.…
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Hunt.io Insights: Gamaredon’s Flux-Like Infrastructure and a Look at Recent ShadowPad Activity
This article explores the infrastructure patterns of two state-linked cyber threat groups based in Russia and China, focusing on Gamaredon and RedFoxtrot. It highlights their use of fast flux DNS techniques for operational stealth and the reuse of TLS certificates among others. Furthermore, it discusses the implications of these patterns for cybersecurity defenses.…
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Police detains Smokeloader malware customers, seizes servers
Summary: Law enforcement has detained at least five individuals linked to the Smokeloader botnet as part of the ongoing Operation Endgame. This operation aims to dismantle major malware loader operations by analyzing seized data and tracking cybercriminals. Europol continues to encourage public assistance in reporting related criminal activities through their newly established website.…
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Fast Flux is the New Cyber Weapon—And It’s Hard to Stop, Warns CISA
Summary: The U.S. Cybersecurity and Infrastructure Security Agency (CISA) and other organizations have issued an advisory on “Fast Flux,” a technique used by cybercriminals to obscure malicious infrastructure. Fast flux involves rapidly rotating IP addresses to evade detection, posing significant challenges for cybersecurity professionals. The advisory calls for proactive measures from cybersecurity service providers to mitigate the rising threat associated with this covert tactic.…
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Fast Flux Alert: National Security Agencies Warn of Evasive Tactic
Summary: A new cybersecurity advisory from various national security agencies highlights the Fast Flux technique, which allows cyber actors to conceal their operations by frequently changing DNS records. This method poses a substantial threat to both individual organizations and national security, enabling malicious actors to create resilient command and control infrastructures that are difficult to disrupt.…
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Europol Targets Customers of Smokeloader Pay-Per-Install Botnet
Summary: Cybersecurity agencies warn that threat actors are using ‘fast flux’ techniques to obscure the location of their malicious servers, thereby enhancing the resilience of their cyber infrastructures. This approach involves rapidly changing DNS records to ensure the continuity of command-and-control communication while evading detection. The continuous use of compromised hosts complicates efforts to identify and mitigate malicious traffic effectively.…
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Outlaw Linux Malware: Persistent, Unsophisticated, and Surprisingly Effective — Elastic Security Labs
OUTLAW is a persistent, auto-propagating coinminer that utilizes simple techniques such as SSH brute-forcing and modification of commodity miners for infection and persistence. By deploying a honeypot, researchers gained insights into how OUTLAW operates, revealing the malware’s ability to maintain control and expand its botnet with basic tactics.…
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US, Australia, Canada warn of ‘fast flux’ scheme used by ransomware gangs
Summary: Ransomware gangs and Russian government hackers are increasingly using the “fast flux” technique to conceal the infrastructure used in cyberattacks, making it harder for law enforcement and defenders to track and block them. This method involves rapidly changing DNS records associated with a domain, complicating detection and blocking efforts.…
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Response to CISA Advisory (AA25-093A): Fast Flux: A National Security Threat
This advisory from multiple cybersecurity agencies highlights the ongoing threat of fast flux techniques used by malicious actors, particularly ransomware groups like Hive and Nefilim. These methods complicate detection and disruption, necessitating improved collaboration and enhanced detection mechanisms among organizations. Affected: organizations, Internet service providers, cybersecurity service providers, financial sector, manufacturing sector, transportation sector

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April 3, 2025 advisory published by CISA, NSA, FBI, and other partners.…
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This advisory addresses the significant threat posed by the “fast flux” technique, used by malicious cyber actors to evade detection and maintain command and control infrastructure. Fast flux enables the rapid alteration of DNS records, complicating tracking and blocking actions. The advisory calls for collaborative efforts from government entities and service providers to enhance detection and mitigation capabilities against fast flux activities.…
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Triada Malware Preloaded on Counterfeit Android Phones Infects 2,600+ Devices
Summary: Counterfeit smartphones have been found preloaded with a modified version of the Triada Android malware, affecting over 2,600 users primarily in Russia. This malware can steal sensitive information, control devices remotely, and has been distributed through compromised production processes. The ongoing threat from Triada highlights vulnerabilities in the hardware supply chain and the potential financial gain for attackers.…
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Rapperbot Static Analysis for ARM Architecture: DDoS Attack Variants Against Chinese AI Startup DeepSeek
RapperBot is a malware family targeting IoT devices, first observed in June 2022. A recent variant launched a significant DoS attack on the AI startup DeepSeek. The malware, designed for ARM architecture, employs various techniques for obfuscation and managing socket connections. Affected: IoT devices, AI firms

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RapperBot is a malware family specifically targeting Internet of Things (IoT) devices.…
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Understanding Russian Cognitive Warfare
This article explores Russia’s cognitive warfare tactics, rooted in Soviet KGB doctrines, and their modern adaptations involving disinformation and cyber operations. It presents strategies to counter these tactics, including targeted cyber retaliation and strategic communication, utilizing frameworks such as SWOT and DIMEFIL. A comprehensive analysis is provided on the strategic environment and implications of Russian hacktivist groups, along with methods for dismantling them from within.…
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RolandSkimmer: Silent Credit Card Thief Uncovered
The “RolandSkimmer” campaign utilizes malicious browser extensions and LNK files to execute persistent credit card skimming attacks, primarily targeting users in Bulgaria. The malware collects sensitive data through deceptive mechanisms while maintaining stealth and adaptation to its victims’ environments. Affected: Microsoft Windows, Chrome, Edge, Firefox

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The “RolandSkimmer” campaign targets Microsoft Windows users through malicious LNK files and browser extensions.…
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Rapperbot Enhancements and Expansion Strategies Based on Static Analysis Findings
RapperBot is a malware family targeting IoT devices, noted for conducting a large-scale attack against Chinese AI startup DeepSeek. Observed since June 2022, RapperBot has evolved through improved capabilities and malicious strategies, including SSH brute force attacks. The malware is designed to expand its attack surface by leveraging specific vulnerabilities.…
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Outlaw Group Uses SSH Brute-Force to Deploy Cryptojacking Malware on Linux Servers
Summary: Researchers have uncovered a cryptocurrency mining botnet known as Outlaw, which exploits weak SSH credentials to propagate and control compromised systems. Active since 2018, it utilizes brute-force attacks and a multi-stage infection process to deploy malicious miners and maintain persistence. The botnet also exhibits features for self-propagation and remote control, using IRC channels for command and control operations.…
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SVC New Stealer on the Horizon
SvcStealer 2025 is a sophisticated information-stealing malware delivered through spear phishing emails. It captures sensitive data from victims, including credentials and cryptocurrency wallet information, and sends it to a command and control (C2) server. With a focus on evading detection, it deletes traces of its activities and can potentially download additional malware.…
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