APT

Pierluigi Paganini February 19, 2025
Russia-linked APTs target Signal messenger

Russia-linked threat actors exploit Signal ‘s “linked devices” feature to hijack accounts, per Google Threat Intelligence Group. Google Threat Intelligence Group (GTIG) researchers warn of multiple Russia-linked threat actors targeting Signal Messenger accounts used by individuals of interest to Russian intelligence. The experts speculate that the tactics, techniques, and procedures used to target Signal will […]

Pierluigi Paganini February 14, 2025
China-linked APT Salt Typhoon breached telecoms by exploiting Cisco router flaws

China-linked APT Salt Typhoon has breached more U.S. telecommunications providers via unpatched Cisco IOS XE network devices. China-linked APT group Salt Typhoon is still targeting telecommunications providers worldwide, and according to a new report published by Recorded Future’s Insikt Group, the threat actors has breached more U.S. telecommunications providers by exploiting unpatched Cisco IOS XE […]

Pierluigi Paganini February 12, 2025
North Korea-linked APT Emerald Sleet is using a new tactic

Microsoft Threat Intelligence has observed North Korea-linked APT Emerald Sleet using a new tactic, tricking targets into running PowerShell. Microsoft Threat Intelligence researchers spotted North Korea-linked threat actor Emerald Sleet (also known as Kimsuky and VELVET CHOLLIMA) using a new tactic. They are tricking targets into running PowerShell as an administrator and executing code provided […]

Pierluigi Paganini January 17, 2025
Russia-linked APT Star Blizzard targets WhatsApp accounts

The Russian group Star Blizzard targets WhatsApp accounts in a new spear-phishing campaign, shifting tactics to avoid detection. In November 2024, Microsoft researchers observed the Russia-linked APT group Star Blizzard targeting WhatsApp accounts via spear-phishing, shifting tactics to avoid detection. The Star Blizzard group, aka “Callisto“, “Seaborgium“, “ColdRiver”, and “TA446,” targeted government officials, military personnel, journalists and […]

Pierluigi Paganini January 14, 2025
FBI deleted China-linked PlugX malware from over 4,200 US computers

The FBI has removed Chinese PlugX malware from over 4,200 computers in networks across the United States, the U.S. Department of Justice reported. The Justice Department and FBI, along with international partners, announced they deleted PlugX malware from thousands of infected computers worldwide as part of a multi-month law enforcement operation. The malware was operated […]

Pierluigi Paganini January 06, 2025
China-linked Salt Typhoon APT compromised more US telecoms than previously known

China-linked Salt Typhoon group that breached multiple US telecoms compromised more firms than previously known, WSJ says. The China-linked cyberespionage group Salt Typhoon targeted more US telecoms than previously known, as The Wall Street Journal reported. According to WSJ, wich cited people familiar with the matter, the Chinese cyberspies also compromised Charter Communications and Windstream. […]

Pierluigi Paganini January 02, 2025
Lumen reports that it has locked out the Salt Typhoon group from its network

Lumen reports that the Salt Typhoon hacking group, which targeted at least nine U.S. telecom firms, was locked out of its network. This week, a White House official confirmed that China-linked APT group Salt Typhoon has breached a ninth U.S. telecoms company as part of a cyberespionage campaign aimed at telco firms worldwide. China-linked APT group Salt Typhoon (also known as FamousSparrow and GhostEmperor) […]

Pierluigi Paganini December 25, 2024
BellaCPP, Charming Kitten’s BellaCiao variant written in C++

Iran-linked APT group Charming Kitten has been observed using a new variant of the BellaCiao malware dubbed BellaCPP, Kaspersky researchers warn. The Iran-linked APT group Charming Kitten has been observed using a C++ variant of the BellaCiao malware, dubbed BellaCPP. BellaCiao, a .NET-based malware, combines webshell persistence with covert tunneling. The malicious code was first […]

Pierluigi Paganini December 18, 2024
The Mask APT is back after 10 years of silence

Kaspersky researchers linked a new wave of cyber attacks to the cyber espionage group tracked as The Mask. Kaspersky researchers linked several targeted attacks to a cyber espionage group known as The Mask. The APT group targeted an organization in Latin America in 2019 and 2022. Threat actors accessed an MDaemon email server and used […]

Pierluigi Paganini December 12, 2024
Russia’s Secret Blizzard APT targets Ukraine with Kazuar backdoor

Russia-linked APT group Secret Blizzard is using Amadey Malware-as-a-Service to infect systems in Ukraine with the Kazuar backdoor. The Russia-linked APT group Secret Blizzard (aka Turla, Snake, Uroburos, Waterbug, Venomous Bear and KRYPTON) was spotted using the Amadey malware to deploy the KazuarV2 backdoor on devices in Ukraine. The experts observed threat actors using the Amadey bot malware between March and April 2024. Microsoft highlights […]