Latest cybersecurity reporting from selected sources.

The Federal Bureau of Investigation (FBI) said today it worked with industry partners to seize hundreds of domains associated with NetNut, a sprawling residential proxy service operated by the publicly-traded Israeli company Alarum Technologies [NASDAQ: ALAR]. The action comes roughly two weeks after KrebsOnSecurity published findings from multiple security firms connecting NetNut to the Popa botnet, a collection of at least two million devices that have been compromised by malicious software with little or no consent from victims.

A SystemBC proxy malware botnet of more than 1,570 hosts, believed to be corporate victims, has been discovered following an investigation into a Gentlemen ransomware attack carried out by a gang affiliate. [...]

Continuous investigation on the Water Saci campaign reveals innovative email-based C&C system, multi-vector persistence, and real-time command capabilities that allow attackers to orchestrate coordinated botnet operations, gather detailed campaign intelligence, and dynamically control malware activity across multiple infected machines.

22-Year-Old Oregon Man Charged With Selling DDoS Attacks Using Mirai VariantFederal prosecutors have charged Oregon man Ethan Foltz, 22, with administering an on-demand service for disrupting websites called "Rapper Bot." Resulting distributed-denial-of-service attacks disrupted DeepSeek and X, as well as the U.S. Department of Defense, which is leading the investigation.

A multiyear investigation by a public-private partnership has resulted in the seizure of the botnet's US-based infrastructure and indictments for its key players, significantly disrupting a vast cybercriminal enterprise.

Also: Iberian Blackout, Delta Faces Lawsuit Linked to CrowdStrike OutageEvery week, ISMG rounds up cybersecurity incidents and breaches around the world. This week: Mirai Botnet Exploits Flaws in GeoVision, the Iberian blackout under investigation, dueling cybersecurity advisories from India and Pakistan, Delta must face a lawsuit linked to CrowdStrike outage.

How does Prometei insidiously operate in a compromised system? This Managed Extended Detection and Response investigation conducted with the help of Trend Vision One provides a comprehensive analysis of the inner workings of this botnet so users can stop the threat in its tracks before it inflicts damage to the system.

The U.S. Department of the Treasury today unveiled sanctions against three Chinese nationals for allegedly operating 911 S5, an online anonymity service that for many years was the easiest and cheapest way to route one's Web traffic through malware-infected computers around the globe. KrebsOnSecurity identified one of the three men in a July 2022 investigation into 911 S5, which was massively hacked and then closed ten days later.

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) and the Federal Bureau of Investigation (FBI) warned that threat actors deploying the AndroxGh0st malware are creating a botnet for "victim identification and exploitation in target networks." A Python-based malware, AndroxGh0st was first documented by Lacework in December 2022, with the malware

The investigation conducted by Akamai in late October 2023 revealed a specific HTTP exploit path

The U.S. Department of Justive announced today that Federal Bureau of Investigation took down the network and infrastructure of a botnet proxy service called IPStorm. [...]

The U.S. Federal Bureau of Investigation (FBI) says it has disrupted a giant botnet built and operated by a Russian government intelligence unit known for launching destructive cyberattacks against energy infrastructure in the United States and Ukraine. Separately, law enforcement agencies in the U.S. and Germany moved to decapitate "Hydra," a billion-dollar Russian darknet drug bazaar that also helped to launder the profits of multiple Russian ransomware groups.