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The threat actors behind the zero-day exploitation of a recently-patched security vulnerability in Microsoft Windows have been found to deliver two new backdoors called SilentPrism and DarkWisp.
The activity has been attributed to a suspected Russian hacking group called Water Gamayun, which is also known as EncryptHub and LARVA-208.
“The threat actor deploys payloads primarily by means of

The Chinese threat actor known as FamousSparrow has been linked to a cyber attack targeting a trade group in the United States and a research institute in Mexico to deliver its flagship backdoor SparrowDoor and ShadowPad.
The activity, observed in July 2024, marks the first time the hacking crew has deployed ShadowPad, a malware widely shared by Chinese state-sponsored actors.
“FamousSparrow

The supply chain attack involving the GitHub Action “tj-actions/changed-files” started as a highly-targeted attack against one of Coinbase’s open-source projects, before evolving into something more widespread in scope.
“The payload was focused on exploiting the public CI/CD flow of one of their open source projects – agentkit, probably with the purpose of leveraging it for further compromises,”

Threat actors are exploiting a severe security flaw in PHP to deliver cryptocurrency miners and remote access trojans (RATs) like Quasar RAT.
The vulnerability, assigned the CVE identifier CVE-2024-4577, refers to an argument injection vulnerability in PHP affecting Windows-based systems running in CGI mode that could allow remote attackers to run arbitrary code.
Cybersecurity company

A 51-year-old dual Russian and Israeli national who is alleged to be a developer of the LockBit ransomware group has been extradited to the United States, nearly three months after he was formally charged in connection with the e-crime scheme.
Rostislav Panev was previously arrested in Israel in August 2024. He is said to have been working as a developer for the ransomware gang from 2019

Microsoft has shed light on an ongoing phishing campaign that targeted the hospitality sector by impersonating online travel agency Booking.com using an increasingly popular social engineering technique called ClickFix to deliver credential-stealing malware.
The activity, the tech giant said, started in December 2024 and operates with the end goal of conducting financial fraud and theft. It’s

The China-nexus cyber espionage group tracked as UNC3886 has been observed targeting end-of-life MX routers from Juniper Networks as part of a campaign designed to deploy custom backdoors, highlighting their ability to focus on internal networking infrastructure.
“The backdoors had varying custom capabilities, including active and passive backdoor functions, as well as an embedded script that

The threat actor known as Blind Eagle has been linked to a series of ongoing campaigns targeting Colombian institutions and government entities since November 2024.
“The monitored campaigns targeted Colombian judicial institutions and other government or private organizations, with high infection rates,” Check Point said in a new analysis.
“More than 1,600 victims were affected during one of

Threat hunters have shed light on a “sophisticated and evolving malware toolkit” called Ragnar Loader that’s used by various cybercrime and ransomware groups like Ragnar Locker (aka Monstrous Mantis), FIN7, FIN8, and Ruthless Mantis (ex-REvil).
“Ragnar Loader plays a key role in keeping access to compromised systems, helping attackers stay in networks for long-term operations,” Swiss

The China-lined threat actor behind the zero-day exploitation of security flaws in Microsoft Exchange servers in January 2021 has shifted its tactics to target the information technology (IT) supply chain as a means to obtain initial access to corporate networks.
That’s according to new findings from the Microsoft Threat Intelligence team, which said the Silk Typhoon (formerly Hafnium) hacking