VMware warns of the availability of a proof-of-concept exploit code for a critical authentication bypass flaw in multiple products. VMware warns its customers of the availability of a proof-of-concept exploit code for a critical authentication bypass flaw, tracked as CVE-2022-31656, in multiple products. The flaw was discovered by security researcher Petrus Viet from VNG Security, […]
China-linked threat actors targeted dozens of industrial enterprises and public institutions in Afghanistan and Europe. In January 2022, researchers at Kaspersky ICS CERT uncovered a series of targeted attacks on military industrial enterprises and public institutions in Afghanistan and East Europe. The attackers breached dozens of enterprises and in some cases compromised their IT infrastructure, […]
The U.S. Treasury Department’s Office of Foreign Assets Control (OFAC) sanctioned the crypto mixer service Tornado Cash used by North Korea. The U.S. Treasury Department’s Office of Foreign Assets Control (OFAC) has sanctioned the crypto mixer service Tornado Cash used by North Korean-linked Lazarus APT Group. The mixers are essential components for cybercriminals that use […]
Cyber Security Specialist Zoziel Pinto Freire shows an example of malicious file analysis presented during his lecture on BSides-VitĂłria 2022. My objective with this series of articles is to show examples of malicious file analysis that I presented during my lecture on BSides-VitĂłria 2022. For this first one, I’ll briefly introduce some crucial topics to […]
Experts spotted a new botnet named Orchard using Bitcoin creator Satoshi Nakamoto’s account information to generate malicious domains. 360 Netlab researchers recently discovered a new botnet named Orchard that uses Satoshi Nakamoto’s Bitcoin account (1A1zP1eP5QGefi2DMPTfTL5SLmv7DivfNa) transaction information to generate DGA domain name. “Another change relates to the use of the DGA algorithm employed in the […]
Communications company Twilio discloses a data breach after threat actors have stolen employee credentials in an SMS phishing attack. Communications company Twilio discloses a data breach, threat actors had access to the data of some of its customers. The attackers accessed company systems using employee credentials obtained through a sophisticated SMS phishing attack. Twilio is […]
LogoKit – Threat actors leveraging Open Redirect Vulnerabilities popular in online services and apps to bypass spam filters in phishing campaigns. Resecurity, Inc. (USA), a Los Angeles-based cybersecurity company providing managed threat detection and response for Fortune 500’s, identified threat actors leveraging Open Redirect Vulnerabilities popular in online services and apps to bypass spam filters […]
Threat actors abuse open redirects on Snapchat and American Express to launch phishing attacks against Microsoft 365 users. Attackers abused open redirects on the websites of Snapchat and American Express as part of a phishing campaign targeting Microsoft 365 users. The term Open URL redirection, open redirects, refers to a security issue that makes it […]
Microsoft is actively blocking Tutanota email addresses from registering a Microsoft Teams account. Tutanota is an end-to-end encrypted email app and a freemium secure email service, as of March 2017, Tutanota’s owners claimed to have over 2 million users. The news is that Microsoft is actively blocking Tutanota email addresses from registering a Microsoft Teams […]
Researchers spotted a new family of ransomware, named GwisinLocker, that encrypts Windows and Linux ESXi servers. Researchers warn of a new ransomware called GwisinLocker which is able to encrypt Windows and Linux ESXi servers. The ransomware targets South Korean healthcare, industrial, and pharmaceutical companies, its name comes from the name of the author ‘Gwisin’ (ghost […]