Vulnérabilité dans Microsoft Office (19 août 2024) (CERT-FR)
Une vulnérabilité a été découverte dans Microsoft Office. Elle permet à un attaquant de provoquer un contournement de la politique de sécurité.
Cybercriminals Exploit Popular Software Searches to Spread FakeBat Malware
Cybersecurity researchers have uncovered a surge in malware infections stemming from malvertising campaigns distributing a loader called FakeBat. "These attacks are opportunistic in nature, targeting users seeking popular business software," the Mandiant Managed Defense team said in a technical report. "The infection utilizes a trojanized MSIX installer, which executes a PowerShell script to
New UULoader Malware Distributes Gh0st RAT and Mimikatz in East Asia
A new type of malware called UULoader is being used by threat actors to deliver next-stage payloads like Gh0st RAT and Mimikatz. The Cyberint Research Team, which discovered the malware, said it's distributed in the form of malicious installers for legitimate applications targeting Korean and Chinese speakers. There is evidence pointing to UULoader being the work of a Chinese speaker due to the
How to Automate the Hardest Parts of Employee Offboarding
According to recent research on employee offboarding, 70% of IT professionals say they’ve experienced the negative effects of incomplete IT offboarding, whether in the form of a security incident tied to an account that wasn't deprovisioned, a surprise bill for resources that aren’t in use anymore, or a missed handoff of a critical resource or account. This is despite an average of five
Xeon Sender Tool Exploits Cloud APIs for Large-Scale SMS Phishing Attacks
Malicious actors are using a cloud attack tool named Xeon Sender to conduct SMS phishing and spam campaigns on a large scale by abusing legitimate services. "Attackers can use Xeon to send messages through multiple software-as-a-service (SaaS) providers using valid credentials for the service providers," SentinelOne security researcher Alex Delamotte said in a report shared with The Hacker News.
Microsoft Patches Zero-Day Flaw Exploited by North Korea’s Lazarus Group
A newly patched security flaw in Microsoft Windows was exploited as a zero-day by Lazarus Group, a prolific state-sponsored actor affiliated with North Korea. The security vulnerability, tracked as CVE-2024-38193 (CVSS score: 7.8), has been described as a privilege escalation bug in the Windows Ancillary Function Driver (AFD.sys) for WinSock. "An attacker who successfully exploited this
Researchers Uncover New Infrastructure Tied to FIN7 Cybercrime Group
Cybersecurity researchers have discovered new infrastructure linked to a financially motivated threat actor known as FIN7. The two clusters of potential FIN7 activity "indicate communications inbound to FIN7 infrastructure from IP addresses assigned to Post Ltd (Russia) and SmartApe (Estonia), respectively," Team Cymru said in a report published this week as part of a joint investigation with
NationalPublicData.com Hack Exposes a Nation’s Data (Krebs on Security)
A great many readers this month reported receiving alerts that their Social Security Number, name, address and other personal information were exposed in a breach at a little-known but aptly-named consumer data broker called NationalPublicData.com. This post examines what we know about a breach that has exposed hundreds of millions of consumer records. We’ll also take a closer look at the data broker that got hacked — a background check company founded by an actor and retired sheriff’s deputy from Florida. On July 21, 2024, denizens of the cybercrime community Breachforums released more than 4 terabytes of data they claimed was stolen from nationalpublicdata.com, a Florida-based company that collects data on consumers and processes background checks. The breach tracking service HaveIBeenPwned.com and the cybercrime-focused Twitter account vx-underground both concluded the…
NationalPublicData.com Hack Exposes a Nation’s Data
A great many readers this month reported receiving alerts that their Social Security Number, name, address and other personal information were exposed in a breach at a little-known but aptly-named consumer data broker called NationalPublicData.com. This post examines what we know about a breach that has exposed hundreds of millions of consumer records. We’ll also take a closer look at the data broker that got hacked — a background check company founded by an actor and retired sheriff’s deputy from Florida. On July 21, 2024, denizens of the cybercrime community Breachforums released more than 4 terabytes of data they claimed was stolen from nationalpublicdata.com, a Florida-based company that collects data on consumers and processes background checks. The breach tracking service HaveIBeenPwned.com and the cybercrime-focused Twitter account vx-underground both concluded the…
OpenAI Blocks Iranian Influence Operation Using ChatGPT for U.S. Election Propaganda
OpenAI on Friday said it banned a set of accounts linked to what it said was an Iranian covert influence operation that leveraged ChatGPT to generate content that, among other things, focused on the upcoming U.S. presidential election. "This week we identified and took down a cluster of ChatGPT accounts that were generating content for a covert Iranian influence operation identified as