#botnet

A list of topics we covered in the week of September 1 to September 7 of 2025

The threat actor behind the malware-as-a-service (MaaS) framework and loader called CastleLoader has also developed a remote access trojan known as CastleRAT. "Available in both Python and C variants, CastleRAT's core functionality consists of collecting system information, downloading and executing additional payloads, and executing commands via CMD and PowerShell," Recorded Future Insikt Group

The Quad7 botnet is adding End-of-Life TP-Link routers to its arsenal and using them to steal Microsoft 365 accounts.

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Wednesday added two security flaws impacting TP-Link wireless routers to its Known Exploited Vulnerabilities (KEV) catalog, noting that there is evidence of them being exploited in the wild. The vulnerabilities in question are listed below - CVE-2023-50224 (CVSS score: 6.5) - An authentication bypass by spoofing vulnerability

A new specimen of “infostealer” malware offers a disturbing feature: It monitors a target's browser for NSFW content, then takes simultaneous screenshots and webcam photos of the victim.

Cloudflare on Tuesday said it automatically mitigated a record-setting volumetric distributed denial-of-service (DDoS) attack that peaked at 11.5 terabits per second (Tbps). "Over the past few weeks, we've autonomously blocked hundreds of hyper-volumetric DDoS attacks, with the largest reaching peaks of 5.1 Bpps and 11.5 Tbps," the web infrastructure and security company said in a post on X. "

Cybersecurity researchers have flagged a Ukrainian IP network for engaging in massive brute-force and password spraying campaigns targeting SSL VPN and RDP devices between June and July 2025. The activity originated from a Ukraine-based autonomous system FDN3 (AS211736), per French cybersecurity company Intrinsec. "We believe with a high level of confidence that FDN3 is part of a wider abusive

To reduce the number of harmful apps targeting Android users, Google is making some changes.

The cybersecurity community on Reddit responded in disbelief this month when a self-described Air National Guard member with top secret security clearance began questioning the arrangement they'd made with company called DSLRoot, which was paying $250 a month to plug a pair of laptops into the Redditor's high-speed Internet connection in the United States. This post examines the history and provenance of DSLRoot, one of the oldest "residential proxy" networks with origins in Russia and Eastern Europe.

Cybersecurity researchers are calling attention to multiple campaigns that leverage known security vulnerabilities and expose Redis servers to various malicious activities, including leveraging the compromised devices as IoT botnets, residential proxies, or cryptocurrency mining infrastructure. The first set of attacks entails the exploitation of CVE-2024-36401 (CVSS score: 9.8), a critical