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2020/10/05

Beware: New Android Spyware Found Posing as Telegram and Threema Apps

A hacking group known for its attacks in the Middle East, at least since 2017, has recently been found impersonating legitimate messaging apps such as Telegram and Threema to infect Android devices with a new, previously undocumented malware.

"Compared to the versions documented in 2017, Android/SpyC23.A has extended spying functionality, including reading notifications from messaging apps, call recording and screen recording, and new stealth features, such as dismissing notifications from built-in Android security apps," cybersecurity firm ESET said in a Wednesday analysis.
2020/09/29

US: Universal Health Services Ransomware Attack Impacts Hospitals Nationwide

A ransomware attack has shut down Universal Health Services, a Fortune-500 owner of a nationwide network of hospitals.

The attack occurred in the wee hours of the morning on Monday, according to reports coming in from employees on Reddit and other platforms.

On Reddit, a discussion with hundreds of comments indicated that many UHS locations were indeed down and requiring a return to manual processes.
2020/09/24

Major Instagram App Bug Could've Given Hackers Remote Access to Your Phone

In a report shared with The Hacker News today, Check Point researchers disclosed details about a critical vulnerability in Instagram's Android app that could have allowed remote attackers to take control over a targeted device just by sending victims a specially crafted image.

What's more worrisome is that the flaw not only lets attackers perform actions on behalf of the user within the Instagram app—including spying on victim's private messages and even deleting or posting photos from their accounts—but also execute arbitrary code on the device.
2020/09/16

Windows Exploit Released For Microsoft ‘Zerologon’ Flaw

Proof-of-concept (PoC) exploit code has been released for a Windows flaw, which could allow attackers to infiltrate enterprises by gaining administrative privileges, giving them access to companies’ Active Directory domain controllers (DCs).

The vulnerability, dubbed “Zerologon,” is a privilege-escalation glitch (CVE-2020-1472) with a CVSS score of 10 out of 10, making it critical in severity. The flaw was addressed in Microsoft’s August 2020 security updates. However, this week at least four public PoC exploits for the flaw were released on Github, and on Friday, researchers with Secura (who discovered the flaw) published technical details of the vulnerability.
2020/09/15

New Linux Malware Steals Call Details from VoIP Softswitch Systems

Cybersecurity researchers have discovered an entirely new kind of Linux malware dubbed "CDRThief" that targets voice over IP (VoIP) softswitches in an attempt to steal phone call metadata.
"The primary goal of the malware is to exfiltrate various private data from a compromised softswitch, including call detail records (CDR)," ESET researchers said in a Thursday analysis.
"To steal this metadata, the malware queries internal MySQL databases used by the softswitch. Thus, attackers demonstrate a good understanding of the internal architecture of the targeted platform."
Softswitches (short for software switches) are generally VoIP servers that allow for telecommunication networks to provide management of voice, fax, data and video traffic, and call routing.
ESET's research uncovered that CDRThief targeted a specific Linux VoIP platform, namely the VOS2009 and 3000 softswitches from Chinese company Linknat, and had its malicious functionality encrypted to evade static analysis.