Cybersecurity researchers from Kaspersky linked the Maui ransomware to the North Korea-backed Andariel APT group. Kaspersky linked with medium confidence the Maui ransomware operation to the North Korea-backed APT group Andariel, which is considered a division of the Lazarus APT Group, North Korean nation-state actors used Maui ransomware to encrypt servers providing healthcare services, including electronic […]
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-Vitória 2022. My objective with this series of articles is to show examples of malicious file analysis that I presented during my lecture on BSides-Vitória 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 […]
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 […]
A massive cyberattack hit the website of the German Chambers of Industry and Commerce (DIHK) this week. A massive attack hit the website of the German Chambers of Industry and Commerce (DIHK) forcing the organization to shut down its IT systems as a precautionary measure for security reasons. “Due to a possible cyber attack, the […]
A new round of the weekly SecurityAffairs newsletter arrived! Every week the best security articles from Security Affairs free for you in your email box. If you want to also receive for free the newsletter with the international press subscribe here. Greek intelligence service used surveillance malware to spy on a journalist, Reuters reports Slack resets passwords […]
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 […]
Greek intelligence admitted it had spied on a journalist, while citizens ask the government to reveal the use of surveillance malware. The head of the Greek intelligence told a parliamentary committee that they had spied on a journalist with surveillance malware, Reuters reported citing two sources present. The revelation comes while media and journalists are […]