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Cache Me If You Can: Local Privilege Escalation in Zscaler Client Connector (CVE-2023-41973)
Cache Me If You Can: Local Privilege Escalation in Zscaler Client Connector (CVE-2023-41973)
A couple months ago, my colleague Winston Ho and I chained a series of unfortunate bugs into a zero-interaction local privilege escalation in Zscaler Client Connector. This was an interesting journey into Windows RPC caller validation and bypassing several checks, including Authenticode verification. Check out the original Medium blogpost for Winston’s own ZSATrayManager Arbitrary File Deletion (CVE-2023-41969)!
·spaceraccoon.dev·
Cache Me If You Can: Local Privilege Escalation in Zscaler Client Connector (CVE-2023-41973)
Cooler Master allegedly breached, members exposed
Cooler Master allegedly breached, members exposed
Cooler Master, a popular computer hardware maker, has allegedly suffered from a data breach, exposing the company’s corporate data as well as the personal details of members from its fan-based members program. The attackers claim to have stolen 103GB of data from the company’s servers on May 18th. According to the attacks’ perpetrators, the allegedly stolen information carries a trove of sensitive data, including Cooler Master’s Fanzone members’ payment card details.
·cybernews.com·
Cooler Master allegedly breached, members exposed
BreachForums Returns Just Weeks After FBI Seizure - Honeypot or Blunder?
BreachForums Returns Just Weeks After FBI Seizure - Honeypot or Blunder?
The online criminal bazaar BreachForums has been resurrected merely two weeks after a U.S.-led coordinated law enforcement action dismantled and seized control of its infrastructure. Cybersecurity researchers and dark web trackers Brett Callow, Dark Web Informer, and FalconFeeds revealed the site's online return at breachforums[.]st – one of the dismantled sites – by a user named ShinyHunters, who has since offered for sale a 1.3 TB database containing details of allegedly 560 million Ticketmaster customers for $500,000.
·thehackernews.com·
BreachForums Returns Just Weeks After FBI Seizure - Honeypot or Blunder?
PCTattletale leaks victims' screen recordings to entire Internet
PCTattletale leaks victims' screen recordings to entire Internet
PCTattletale is a simple stalkerware app. Rather than the sophisticated monitoring of many similarly insecure competitors it simply asks for permission to record the targeted device (Android and Windows are supported) on infection. Afterward the observer can log in to an online portal and activate recording, at which point a screen capture is taken on the device and played on the target's browser.
·ericdaigle.ca·
PCTattletale leaks victims' screen recordings to entire Internet
Pwn2Own Toronto 2022 : A 9-year-old bug in MikroTik RouterOS
Pwn2Own Toronto 2022 : A 9-year-old bug in MikroTik RouterOS
DEVCORE research team found a 9-year-old WAN bug on RouterOS, the product of MikroTik. Combined with another bug of the Canon printer, DEVCORE becomes the first team ever to successfully complete an attack chain in the brand new SOHO Smashup category of Pwn2Own. And DEVCORE also won the title of Master of Pwn in Pwn2Own Toronto 2022.
·devco.re·
Pwn2Own Toronto 2022 : A 9-year-old bug in MikroTik RouterOS
Cyber Criminals Exploit GitHub and FileZilla to Deliver Malware Cocktail
Cyber Criminals Exploit GitHub and FileZilla to Deliver Malware Cocktail
A "multi-faceted campaign" has been observed abusing legitimate services like GitHub and FileZilla to deliver an array of stealer malware and banking trojans such as Atomic (aka AMOS), Vidar, Lumma (aka LummaC2), and Octo by impersonating credible software like 1Password, Bartender 5, and Pixelmator Pro.
·thehackernews.com·
Cyber Criminals Exploit GitHub and FileZilla to Deliver Malware Cocktail
Foxit PDF “Flawed Design” Exploitation
Foxit PDF “Flawed Design” Exploitation
PDF (Portable Document Format) files have become an integral part of modern digital communication. Renowned for their universality and fidelity, PDFs offer a robust platform for sharing documents across diverse computing environments. PDFs have evolved into a standard format for presenting text, images, and multimedia content with consistent layout and formatting, irrespective of the software, hardware, or operating system used to view them. This versatility has made PDFs indispensable in fields ranging from business and academia to government and personal use, serving as a reliable means of exchanging information in a structured and accessible manner.
·research.checkpoint.com·
Foxit PDF “Flawed Design” Exploitation
A Catalog of Hazardous AV Sites – A Tale of Malware Hosting
A Catalog of Hazardous AV Sites – A Tale of Malware Hosting
In mid-April 2024, Trellix Advanced Research Center team members observed multiple fake AV sites hosting highly sophisticated malicious files such as APK, EXE and Inno setup installer that includes Spy and Stealer capabilities. Hosting malicious software through sites which look legitimate is predatory to general consumers, especially those who look to protect their devices from cyber-attacks. The hosted websites made to look legitimate are listed below.
·trellix.com·
A Catalog of Hazardous AV Sites – A Tale of Malware Hosting
How ransomware abuses BitLocker | Securelist
How ransomware abuses BitLocker | Securelist
The Kaspersky GERT has detected a VBS script that has been abusing Microsoft Windows features by modifying the system to lower the defenses and using the local MS BitLocker utility to encrypt entire drives and demand a ransom. #BitLocker #Data #Descriptions #Encryption #Incident #Malware #Microsoft #Ransomware #Technologies #Windows #response
·securelist.com·
How ransomware abuses BitLocker | Securelist
How Apple Wi-Fi Positioning System can be abused to track people around the globe
How Apple Wi-Fi Positioning System can be abused to track people around the globe
Academics have suggested that Apple's Wi-Fi Positioning System (WPS) can be abused to create a global privacy nightmare. In a paper titled, "Surveilling the Masses with Wi-Fi-Based Positioning Systems," Erik Rye, a PhD student at the University of Maryland (UMD) in the US, and Dave Levin, associate professor at UMD, describe how the design of Apple's WPS facilitates mass surveillance, even of those not using Apple devices.
·theregister.com·
How Apple Wi-Fi Positioning System can be abused to track people around the globe