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When threat actors use backdoor malware to gain access to a network, they want to make sure all their hard work can’t be leveraged by competing groups or detected by defenders. One countermeasure is to equip the backdoor with a passive agent that remains dormant until it receives what’s known in the business as a “magic packet.” On Thursday, researchers revealed that a never-before-seen backdoor that quietly took hold of dozens of enterprise VPNs running Juniper Network’s Junos OS has been doing just that.

J-Magic, the tracking name for the backdoor, goes one step further to prevent unauthorized access. After receiving a magic packet hidden in the normal flow of TCP traffic, it relays a challenge to the device that sent it. The challenge comes in the form of a string of text that’s encrypted using the public portion of an RSA key. The initiating party must then respond with the corresponding plaintext, proving it has access to the secret key.

Open sesame

The lightweight backdoor is also notable because it resided only in memory, a trait that makes detection harder for defenders. The combination prompted researchers at Lumin Technology’s Black Lotus Lab to sit up and take notice.

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Four out of five game developers are currently working on a project for the PC, a sizable increase from 66 percent of developers a year ago. That's according to Informa's latest State of the Game Industry survey, which partnered with Omdia to ask over 3,000 game industry professionals about their work in advance of March's Game Developers Conference.

The 80 percent of developers working on PC projects in this year's survey is by far the highest mark for any platform dating back to at least 2018, when 60 percent of surveyed developers were working on a PC game. In the years since, the ratio of game developers working on the PC has hovered between 56 and 66 percent before this year's unexpected jump. The number of game developers saying they were interested in the PC as a platform also increased substantially, from 62 percent last year to 74 percent this year.

While the PC has long been the most popular platform in this survey, the sudden jump in the last year was rather large. Credit: Kyle Orland / Informa

The PC has long been the most popular platform for developers to work on in the annual State of the Game Industry survey, easily outpacing consoles and mobile platforms that generally see active work from anywhere between 12 to 36 percent of developer respondents, depending on the year. In its report, Informa notes this surge as a "passion for PC development explod[ing]" among developers, and mentions that while "PC has consistently been the platform of choice... this year saw its dominance increase even more."

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On Thursday, OpenAI released a research preview of "Operator," a web automation tool that uses a new AI model called Computer-Using Agent (CUA) to control computers through a visual interface. The system performs tasks by viewing and interacting with on-screen elements like buttons and text fields similar to how a human would.

Operator is available today for subscribers of the $200 per month ChatGPT Pro plan at operator.chatgpt.com. The company plans to expand to Plus, Team, and Enterprise users later. OpenAI intends to integrate these capabilities directly into ChatGPT and later release CUA through its API for developers.

Operator watches on-screen content while you use your computer and executes tasks through simulated keyboard and mouse inputs. The Computer-Using Agent processes screenshots to understand the computer's state and then makes decisions about clicking, typing, and scrolling based on its observations.

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US President Donald Trump has wasted no time in demonstrating his fealty to the cryptocurrency industry that backed his 2024 election ambitions. The alliance could herald a golden dawn for crypto, industry figures believe.

US President Donald Trump has wasted no time in demonstrating his fealty to the cryptocurrency industry that backed his 2024 election ambitions. The alliance could herald a golden dawn for crypto, industry figures believe.

Pocketpair, creators of the game fans dubbed “Pokémon with guns,” is partnering with the studio behind Tales of Kenzera: Zau as it aims to publish more indie games.

All federal agencies received a memo Wednesday requiring the termination of remote work options, with return-to-office plans due by end of day Friday.

In the memo, the acting director of the Office of Personnel Management, Charles Ezell, told the heads and acting heads of all departments and agencies that the change is due to Donald Trump's Return to In-Person Work presidential memorandum, which carved out space for some exemptions and ordered:

Heads of all departments and agencies in the executive branch of Government shall, as soon as practicable, take all necessary steps to terminate remote work arrangements and require employees to return to work in-person at their respective duty stations on a full-time basis, provided that the department and agency heads shall make exemptions they deem necessary.

Empty offices a “national embarrassment”

According to the memo, "most federal offices presently are virtually abandoned," with "the vast majority of federal office workers" having "not returned to in-person work" after transitioning to remote work during the height of the COVID-19 pandemic. Not only has this "devastated" the local economy in Washington, D.C., the memo said, but having so many federal offices sitting empty also serves as a "national embarrassment."

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TikTok owner ByteDance is reportedly still searching for non-sale options to stay in the US after the Supreme Court upheld a national security law requiring that TikTok's US operations either be shut down or sold to a non-foreign adversary.

Last weekend, TikTok briefly went dark in the US, only to come back online hours later after Donald Trump reassured ByteDance that the US law would not be enforced. Then, shortly after Trump took office, he signed an executive order delaying enforcement for 75 days while he consulted with advisers to "pursue a resolution that protects national security while saving a platform used by 170 million Americans."

Trump's executive order did not suggest that he intended to attempt to override the national security law's ban-or-sale requirements. But that hasn't stopped ByteDance, board member Bill Ford told World Economic Forum (WEF) attendees, from searching for a potential non-sale option that "could involve a change of control locally to ensure it complies with US legislation," Bloomberg reported.

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The Pitt, Somebody Somewhere, and Dune: Prophecy are just a few of the shows you need to be watching on Max this month.

The modern Doom games have been a master class in reviving a beloved retro gaming series. Both 2016's Doom and 2020's Doom Eternal paid homage to both the look and feel of the original Doom titles without being slavishly devoted to older gameplay conventions that can feel dated decades later.

Yet by the end of Doom Eternal, you could feel the modernized gameplay system threatening to burst at the seams a bit. Managing your limited ammo, health, and armor resources in Eternal meant expertly juggling a bewildering array of chainsaws, flamethrowers, grenades, and melee-based staggers into powerful, pre-animated "glory kills." That was all on top of the frequent weapon-switching needed to take advantage of the weaknesses of the varied enemies surrounding you and the double-jump-and-dash movement system that required expert use of all three dimensions.

Something had to give. So for Doom: The Dark Ages, the team at id Software has committed to a more streamlined, back-to-basics system that limits complexity while maintaining the same overall difficulty level. That means a "fewer strings on the guitar" approach to controls that narrows almost every action down to just three context-sensitive buttons, as the developers discussed in a hands-off virtual preview session attended by Ars Technica.

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The company that kicked off the AI chatbot craze now wants AI to do more than just talk.

The company that kicked off the AI chatbot craze now wants AI to do more than just talk.

It's official: The FBI's warrantless searches of communications seized to protect US national security have at last been ruled unconstitutional and in violation of the Fourth Amendment.

In a major December ruling made public this week, US District Judge LaShann DeArcy Hall settled one of the biggest debates about feared government overreach that has prompted calls to reform Section 702 of the Foreign Intelligence Surveillance Act (FISA) for more than a decade.

Critics' primary concern was whether the FBI needed a warrant to search and query Americans' communications that are often incidentally, inadvertently, or mistakenly seized during investigations of suspected foreign terrorists.

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Federal Communications Commission Chairman Brendan Carr has revived three complaints against broadcast stations accused of bias against President Donald Trump.

Outgoing Chairwoman Jessica Rosenworcel last week directed the FCC to dismiss the complaints against CBS, ABC, and NBC stations, along with a fourth complaint about Fox, in what she called a stand for the First Amendment. Rosenworcel said the "threat to the First Amendment has taken on new forms, as the incoming President has called on the Federal Communications Commission to revoke licenses for broadcast television stations because he disagrees with their content and coverage."

But in three orders issued yesterday, the FCC Enforcement Bureau reversed the CBS, ABC, and NBC decisions. "We find that the previous order was issued prematurely based on an insufficient investigatory record for the station-specific conduct at issue," each new order said. "We therefore conclude that this complaint requires further consideration."

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Fresh out of federal prison, former Proud Boys leader Enrique Tarrio suggests he’s still in charge as the far-right organization looks to regroup.

Although fans of A Song of Ice and Fire might still be hankering for the long-delayed next book in the series, bestselling sci-fi/fantasy author George R.R. Martin has instead added a different item to his long list of publications: a peer-reviewed physics paper just published in the American Journal of Physics that he co-authored. The paper derives a formula to describe the dynamics of a fictional virus that is the centerpiece of the Wild Cards series of books, a shared universe edited by Martin and Melinda M. Snodgrass, with some 44 authors contributing.

Wild Cards grew out of the Superworld RPG, specifically a long-running campaign game-mastered by Martin in the 1980s, with several of the original sci-fi writers who contributed to the series participating. (A then-unknown Neil Gaiman once pitched Martin a Wild Cards story involving a main character who lived in a world of dreams. Martin rejected the pitch, and Gaiman's idea became The Sandman.) Initially, Martin planned to write a novel centered on his character Turtle, but he then decided it would be better as a shared universe anthology. Martin thought that superhero comics had far too many sources of the many different superpowers and wanted his universe to have one single source. Snodgrass suggested a virus.

The series is basically an alternate history of the US in the aftermath of World War II. An airborne alien virus, designed to rewrite DNA, had been released over New York City in 1946 and spread globally, infecting tens of thousands worldwide. It's called the Wild Card virus because it affects every individual differently. It kills 90 percent of those it infects and mutates the rest. Nine percent of the latter end up with unpleasant conditions—these people are called Jokers—while 1 percent develop superpowers and are known as Aces. Some Aces have "powers" that are so trivial and useless that they are known as "deuces."

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As we move into 2025, we’re looking back at the astonishing progress in AI in 2024.As we move into 2025, we’re looking back at the astonishing progress in AI in 2024.

New improvements to reporting, controls and creative capabilities are coming to Performance Max.New improvements to reporting, controls and creative capabilities are coming to Performance Max.

On Tuesday, OpenAI, SoftBank, Oracle, and MGX announced plans to form Stargate, a new company that will invest $500 billion in AI computing infrastructure across the United States over four years. The announcement came during a White House meeting with President Donald Trump, who called it the "largest AI infrastructure project in history."

However, the origins of the Stargate project extend back to 2024, prior to Trump beginning his second term in office, and skeptics have begun to take aim at the numbers announced.

OpenAI says the goal of Stargate is to kickstart building more data centers to expand computing capacity for current and future AI projects, including OpenAI's goal of "AGI," which the company defines as a highly autonomous AI system that "outperforms humans at most economically valuable work."

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Far-right lawmakers and extremist influencers the world over are celebrating Trump’s early days in office and advocating for similar efforts in their own countries.