Krebs on Security

MAY 13, 2024

This post examines the activities of Khoroshev’s many alter egos on the cybercrime forums, and tracks the career of a gifted malware author who has written and sold malicious code for the past 14 years. 2011 said he was a system administrator and C++ coder. Dmitry Yuryevich Khoroshev. Image: treasury.gov.

Ransomware 244

Ransomware Cybercrime Accountability Malware 244

Malwarebytes

MARCH 15, 2022

Those certificates are now being used to sign malware. From there, any cybercriminal that wanted to could grab the certificates and use them to sign their malware. The two leaked Nvidia certificates have expired, being valid from 2011 to 2014 and 2015 to 2018. Mitigation. One of them just barely (by two days).

Malware 102

Malware System Administration Software Ransomware 102

Security Affairs

OCTOBER 3, 2023

Our investigation revealed that this remote endpoint is associated with criminal activities dating back to 2019, indicating that these hosts were likely under the control of the same technical administration. He is a former member of the ANeSeC CTF team, one of the firsts Italian cyber wargame teams born back in 2011.

Scams 119

Scams Ransomware System Administration Malware 119

Security Affairs

MARCH 27, 2023

A technical analysis of NullMixer malware operation revealed Italy and France are the favorite European countries from the attackers’ perspective. Executive Summary Our insights into a recent NullMixer malware operation revealed Italy and France are the favorite European countries from the opportunistic attackers’ perspective.

Malware 82

Malware Social Engineering Encryption Marketing 82

Security Affairs

MARCH 14, 2023

The tool is basically a search engine for local and network shared files inside a Windows environment: unlike the default Windows search, it is designed to locate files and folders by filename instantly, speeding up system information discovery. Its name is YDArk and it is an open-source tool available even on GitHub ( link ).

Ransomware 81

Ransomware Software System Administration Encryption 81