Security Affairs

JUNE 11, 2022

Iran-linked Lyceum APT group uses a new.NET-based DNS backdoor to target organizations in the energy and telecommunication sectors. The Iran-linked Lyceum APT group, aka Hexane or Spilrin, used a new.NET-based DNS backdoor in a campaign aimed at companies in the energy and telecommunication sectors, ZScaler researchers warn.

DNS 144

DNS Telecommunications Malware Phishing 144

Security Affairs

SEPTEMBER 21, 2022

Russia-linked APT group Sandworm has been observed impersonating telecommunication providers to target Ukrainian entities with malware. Russia-linked cyberespionage group Sandworm has been observed impersonating telecommunication providers to target Ukrainian entities with malware. ” reads the report published by Recorded Future.

Malware 81

Malware Telecommunications DNS Hacking 81

Security Affairs

JULY 13, 2019

This year, security experts at Avast have blocked more than 4.6 The campaign uncovered by Avast aimed at silently modifying the Brazilian users’ Domain Name System (DNS) settings to redirect victims to malicious websites mimicking legitimate ones. Most recently, Netflix became a popular domain for DNS hijackers.”

DNS 73

DNS Passwords Advertising Banking 73

Security Affairs

JULY 6, 2021

According to Group-IB’s Threat Intelligence team, the suspect, dubbed Dr HeX by Group-IB based on one of the nicknames that he used, has been active since at least 2009 and is responsible for a number of cybercrimes, including phishing, defacing, malware development, fraud, and carding that resulted in thousands of unsuspecting victims.

Cybercrime 94

Cybercrime Phishing Banking Telecommunications 94

Security Affairs

AUGUST 7, 2019

The group has targeted a variety of industries, including financial, government, energy, chemical, and telecommunications, and has largely focused its operations within the Middle East. Indeed during the group_a, the main observed delivery techniques where about Phishing (rif.T1193) and Valid Accounts (rif.T1078).

Computers and Electronics 80

Computers and Electronics Penetration Testing DNS Phishing 80

Security Affairs

NOVEMBER 29, 2019

The group’s distinctive features are the high quality of their phishing attacks and the use of legitimate services, which makes it very difficult to detect its malicious activity in companies’ infrastructures. The most common objective of such attacks is cyberespionage and disruption of major telecommunications companies’ work.

Banking 86

Banking Telecommunications Marketing Internet 86