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4446 résultats taggé E*N  ✕
Lighter Ransomware Locks Users Out of System https://blog.sonicwall.com/en-us/2024/03/lighter-ransomware-locks-users-out-of-system/
28/03/2024 15:26:57
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Overview This week, the Sonicwall Capture Labs threat research team analyzed a ransomware calling itself Lighter Ransomware. Upon execution, it opens up a window with a countdown timer instructing the victim to reach out immediately […]

SonicWall EN 2024 Ransomware Locks lighter-ransomware
US offers $10 million bounty for info on 'Blackcat' hackers who hit UnitedHealth https://www.reuters.com/technology/cybersecurity/us-offers-10-million-bounty-info-blackcat-hackers-who-hit-unitedhealth-2024-03-27/
28/03/2024 14:53:41
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The U.S. State Department on Wednesday offered up to $10 million for information on the "Blackcat" ransomware gang who hit the UnitedHealth Group's tech unit and snarled insurance payments across America.
"The ALPHV Blackcat ransomware-as-a-service group compromised computer networks of critical infrastructure sectors in the United States and worldwide," the department said in a statement announcing the reward offer.

reuters EN 2024 US bounty ALPHV Blackcat
As Threats in Space Mount, U.S. Lags in Protecting Key Services https://www.nytimes.com/2024/03/28/world/asia/as-threats-in-space-mount-us-lags-in-protecting-key-services.html
28/03/2024 12:27:07
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The United States and China are locked in a new race, in space and on Earth, over a fundamental resource: time itself.

And the United States is losing.

Global positioning satellites serve as clocks in the sky, and their signals have become fundamental to the global economy — as essential for telecommunications, 911 services and financial exchanges as they are for drivers and lost pedestrians.

nytimes EN 2024 threat satellites US China space
Stealing Clouds https://www.reuters.com/investigates/special-report/china-cyber-cloudhopper/?ref=news.risky.biz
28/03/2024 10:08:24
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Reuters shows how Chinese hackers invaded myriad global companies, exposing entrenched weaknesses in Western cyber defenses.

reuters EN 2019 Cloud-Hopper US China
Seven Hackers Associated with Chinese Government Charged with Computer Intrusions Targeting Perceived Critics of China and U.S. Businesses and Politicians https://www.justice.gov/opa/pr/seven-hackers-associated-chinese-government-charged-computer-intrusions-targeting-perceived
28/03/2024 10:06:21
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Defendants Operated as Part of the APT31 Hacking Group in Support of China’s Ministry of State Security’s Transnational Repression, Economic Espionage and Foreign Intelligence Objectives

justice.gov EN 2024 APT31 China US Charged Espionage
Out of the shadows - ’darcula’ iMessage and RCS smishing attacks target USPS and global postal services https://www.netcraft.com/blog/darcula-smishing-attacks-target-usps-and-global-postal-services/
28/03/2024 09:02:01
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Chinese-language Phishing-as-a-Service platform ‘darcula’ targets organizations in 100+ countries with sophisticated techniques using more than 20,000 phish ...

netcraft EN 2024 Phishing-as-a-Service Darcula PhasS iMessage RCS USPS
Thousands of servers hacked in ongoing attack targeting Ray AI framework https://arstechnica.com/security/2024/03/thousands-of-servers-hacked-in-ongoing-attack-targeting-ray-ai-framework/?comments=1&comments-page=1
28/03/2024 00:21:11
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Researchers say it's the first known in-the-wild attack targeting AI workloads.

arstechnica EN 2024 Ray AI framework attack ongoing servers
Flipping Pages: An analysis of a new Linux vulnerability in nf_tables and hardened exploitation techniques https://pwning.tech/nftables/
27/03/2024 22:51:32
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A tale about exploiting KernelCTF Mitigation, Debian, and Ubuntu instances with a double-free in nf_tables in the Linux kernel, using novel techniques like Dirty Pagedirectory. All without even having to recompile the exploit for different kernel targets once.

pwning EN 2024 KernelCTF Mitigation nf_tables Linux exploitation CVE-2024-1086
Finland confirms APT31 hackers behind 2021 parliament breach https://www.bleepingcomputer.com/news/security/finland-confirms-apt31-hackers-behind-2021-parliament-breach/
27/03/2024 22:34:48
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The Finnish Police confirmed on Tuesday that the APT31 hacking group linked to the Chinese Ministry of State Security (MSS) was behind a breach of the country's parliament disclosed in March 2021.

bleepingcomputer EN 2024 APT31 China Finland Security InfoSec Computer-Security
Google: Spyware vendors behind 50% of zero-days exploited in 2023 https://www.bleepingcomputer.com/news/security/google-spyware-vendors-behind-50-percent-of-zero-days-exploited-in-2023/
27/03/2024 14:04:52
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Google's Threat Analysis Group (TAG) and Google subsidiary Mandiant said they've observed a significant increase in the number of zero-day vulnerabilities exploited in attacks in 2023, many of them linked to spyware vendors and their clients.

bleepingcomputer EN 2024 Google Google-TAG Mandiant Spyware Zero-Day 2023
Recent ‘MFA Bombing’ Attacks Targeting Apple Users – Krebs on Security https://krebsonsecurity.com/2024/03/recent-mfa-bombing-attacks-targeting-apple-users/
27/03/2024 09:56:52
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Several Apple customers recently reported being targeted in elaborate phishing attacks that involve what appears to be a bug in Apple's password reset feature. In this scenario, a target's Apple devices are forced to display dozens of system-level prompts that…

krebsonsecurity EN 2024 MFA-fatigue attack Apple MFA-bombing password
BlueSpy - Spying on Bluetooth conversations https://www.tarlogic.com/blog/bluespy-spying-on-bluetooth-conversations/
26/03/2024 15:58:35
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BlueSpy is a proof of concept for exploiting vulnerabilities in Bluetooth headsets and eavesdropping on private conversations

tarlogic EN 2024 BlueSpy Bluetooth PoC vulnerabilities eavesdropping
U.S. Sanctions 3 Cryptocurrency Exchanges for Helping Russia Evade Sanctions https://thehackernews.com/2024/03/us-sanctions-3-cryptocurrency-exchanges.html
26/03/2024 10:14:15
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The U.S. Department of the Treasury's Office of Foreign Assets Control (OFAC) sanctioned three cryptocurrency exchanges for offering services used to evade economic restrictions imposed on Russia following its invasion of Ukraine in early 2022.

This includes Bitpapa IC FZC LLC, Crypto Explorer DMCC (AWEX), and Obshchestvo S Ogranichennoy Otvetstvennostyu Tsentr Obrabotki Elektronnykh Platezhey (TOEP).

thehackernews EN 2024 sanctions US cryptocurrency Russia exchanges Bitpapa
New ZenHammer memory attack impacts AMD Zen CPUs https://www.bleepingcomputer.com/news/security/new-zenhammer-memory-attack-impacts-amd-zen-cpus/
26/03/2024 10:03:09
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Academic researchers developed ZenHammer, the first variant of the Rowhammer DRAM attack that works on CPUs based on recent AMD Zen microarchitecture that map physical addresses on DDR4 and DDR5 memory chips.

bleepingcomputer EN 2024 AMD CPU Hardware Memory RAM Rowhammer ZenHammer
Why X86 Needs To Die https://hackaday.com/2024/03/21/why-x86-needs-to-die/
26/03/2024 09:59:32
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As I'm sure many of you know, x86 architecture has been around for quite some time. It has its roots in Intel's early 8086 processor, the first in the family. Indeed, even the original 8086 inherits a...

hackaday EN 2024 X86
ZenHammer: Rowhammer Attacks on AMD Zen-based Platforms https://comsec.ethz.ch/research/dram/zenhammer/
26/03/2024 09:57:53
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Our work shows that it is possible to trigger Rowhammer bit flips on DDR4 devices on AMD Zen 2 and Zen 3 systems despite deployed TRR mitigations. This result proves that AMD systems are equally vulnerable to Rowhammer as Intel systems, which greatly increases the attack surface, considering today’s AMD market share of around 36%… Read

ETHZ EN 2024 ZenHammer Rowhammer DDR4 AMD Zen2 Zen3 attack study
Tycoon 2FA: an in-depth analysis of the latest version of the AiTM phishing kit https://blog.sekoia.io/tycoon-2fa-an-in-depth-analysis-of-the-latest-version-of-the-aitm-phishing-kit/
26/03/2024 09:09:23
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Tycoon 2FA has become one of the most widespread adversary-in-The-Middle (AiTM) phishing kits over the last few months.

sekoia EN 2024 Tycoon2FA phishing PhaaS AiTM phishing-kit analysis
Deactivating Cortex XDR via repair function https://badoption.eu/blog/2024/03/23/cortex.html
26/03/2024 08:37:51
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It is trivially possible to disable the Cortex EDR as a non-admin user by triggering a repair function. This is only working, if the Tamper Protection is not enforced! TL;DR; Trigger the repair via GUID Disrupt it when EDR is deactivated Done

badoption EN 2024 Cortex EDR non-admin installer repair Paloalto
Release: VM Escape Exploit for Parallels Desktop Hypervisor (Pwn2Own 2021) https://zerodayengineering.com/research/pwn2own-2021-vm-escape.html
25/03/2024 19:11:13
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In April 2021 I participated in Pwn2Own Vancouvver competition as a single player, and successfully demonstrated a 0-day virtual machine escape exploit with code execution on Parallels hypervisor. Today I am finally releasing the exploit source code together with a technical walkthrough video talk that I gave on Zero Day Engineering livestream in November 2021.

zerodayengineering EN 2024 exploit 2021 0-day Parallels Pwn2Own VM escape
Over 170K users hit by poisoned Python package ruse https://www.theregister.com/2024/03/25/python_package_malware/
25/03/2024 19:08:21
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Supply chain attack targeted GitHub community of Top.gg Discord server

theregister EN 2024 Top.gg GitHub Supply-chain-attack Python
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