9 casos · pág. 1/1
An attacker pushed forged commits to the default branches of two unrelated GitHub projects, hugo-paper and mevn-cli. The commits add a preinstall hook (scripts/preinstall.js) that downloads and silently runs a second-stage script from buildwithknexus.xyz during npm install or bun install. The commits copy the author, date and message of t…
Zscaler ThreatLabz's 2026 Ransomware Report describes ransomware operators using generative AI to sharpen phishing, speed up reconnaissance and pick out the most sensitive corporate data to steal. The report records 896.2 TB exfiltrated by the top 10 ransomware groups between April 2025 and March 2026. The article cites a 275.8% annual in…
FortiGuard Labs analyzed a SectopRAT variant that is embedded in legitimate software to evade detection. The malware uses a multi-stage loader to extract its payload from files, then applies API hashing, indirect function calls and in-memory loading to run the final .NET payload. Once running, it sets up encrypted communication with its C…
Toy Ghouls (aka Bearlyfy, Laboo.boo, Feral Wolf), a financially motivated group targeting Russian organizations since 2025, was observed in early July 2026 using a custom backdoor for the first time. Kaspersky GERT identified two versions, mqtt-bird-agent 0.1.0 (C2 over the public HiveMQ MQTT broker) and matrix-bird-agent 0.1.0 (C2 over a…
Symantec reports that the Russia-linked APT28 (aka BlueDelta, Fancy Bear, Forest Blizzard), tracked by Symantec as Swallowtail, targeted entities in two NATO member states. Victims include a law enforcement agency, a naval shipbuilder and a manufacturer of military aircraft engines. In the shipbuilder intrusion in late July 2026, operator…
ESET Research reports that the China-aligned APT group FamousSparrow has been using a new modular C++ backdoor, SparroWocky, since at least August 2025. The backdoor has replaced SparrowDoor as the group's main implant. From mid-2025 into 2026, about 90% of the group's targets in ESET telemetry were in Latin America, mostly governmental e…
GreyNoise reports that a single malicious cyber actor, tracked since 7 May 2026, is a suspected Chinese speaker working in UTC+8 and is the same as or related to Red Heron (reported by Acronis), based on the shared C2 domain, malware family, Gitea exploitation and other TTPs. The actor exploited the wp2shell WordPress chain (CVE-2026-6303…
A joint StopRansomware advisory (AA26-293A) from the FBI, CISA, USSS, Germany's Landeskriminalamt Rheinland-Pfalz, the UK's National Crime Agency and the North West Regional Organised Crime Unit details SafePay ransomware activity observed through August 2026. SafePay has been highly active since August 2024 and was among the most active …
The FBI, CISA, DC3, NSA, USSS and the Republic of Korea's KNPA issued joint advisory AA26-222A on Gunra ransomware. Gunra appeared in April 2025 as a double-extortion variant derived from the leaked Conti source code. It launched a structured RaaS affiliate program in January 2026, also operating under the alias Golden Community, and recr…
