New APT Group Red Stinger Targets Military and Critical Infrastructure in Eastern Europe

A previously undetected advanced persistent threat APT actor dubbed Red Stinger has been linked to attacks targeting Eastern Europe since 2020. "Military, transportation, and critical infrastructure were some of the entities being targeted, as well as some involved in the September East Ukraine...

Hackers Targeting Italian Corporate Banking Clients with New Web-Inject Toolkit DrIBAN

Italian corporate banking clients are the target of an ongoing financial fraud campaign that has been leveraging a new web-inject toolkit called drIBAN since at least 2019. "The main goal of drIBAN fraud operations is to infect Windows workstations inside corporate environments trying to alter...

New Tomiris APT Group Targets Governments

Threat Level Actor Report For a detailed threat advisory, download the pdf file here Summary Tomiris is a Russian-speaking advanced persistent threat APT group that has been active since at least 2021 and is known for its use of sophisticated tactics and tools, including zero-day exploits and...

Winter Vivern with Pro-Russian Objectives Targets Government

Threat Level Actor Report For a detailed threat advisory, download the pdf file here Summary The Winter Vivern Advanced Persistent Threat APT is a relatively underreported group that operates with pro-Russian objectives and targets government agencies. To receive real-time threat advisories, plea...

Tick APT Targeted High-Value Customers of East Asian Data-Loss Prevention Company

A cyberespionage actor known as Tick has been attributed with high confidence to a compromise of an East Asian data-loss prevention DLP company that caters to government and military entities. "The attackers compromised the DLP company's internal update servers to deliver malware inside the...

Lazarus Group Likely Using New WinorDLL64 Backdoor to Exfiltrate Sensitive Data

A new backdoor associated with a malware downloader named Wslink has been discovered, with the tool likely used by the notorious North Korea-aligned Lazarus Group, new findings reveal. The payload, dubbed WinorDLL64 by ESET, is a fully-featured implant that can exfiltrate, overwrite, and delete...

Solving one of NOBELIUM’s most novel attacks: Cyberattack Series

Our story begins with eight Microsoft Detection and Response Team DART analysts gathered around a customer’s conference room to solve a cybersecurity mystery. Joined by members of the customer’s cybersecurity team, they were there to figure out how a Russia-based nation-state hacking group known ...

New Research Delves into the World of Malicious LNK Files and Hackers Behind Them

Cybercriminals are increasingly leveraging malicious LNK files as an initial access method to download and execute payloads such as Bumblebee, IcedID, and Qakbot. A recent study by cybersecurity experts has shown that it is possible to identify relationships between different threat actors by...

Hackers Target Ukrainian Software Company Using GoMet Backdoor

A large software development company whose software is used by different state entities in Ukraine was at the receiving end of an "uncommon" piece of malware, new research has found. The malware, first observed on the morning of May 19, 2022, is a custom variant of the open source backdoor known ...

What is Steganography, and how can we Avoid it?

What is steganography? Steganography is, broadly, a type of covert communication involving the use of any medium to hide messages. Steganography is a relatively old technique of hiding ‘secret’ data in plain sight to avoid detection. Seeing a resurgence of late, bad actors are taking advantage of...

Predatory Sparrow massively disrupts steel factories while keeping workers safe

Stuxnets attack on Irans uranium enrichment facilities manifested fears of cyberattacks leaking into the real world. What once was theory is now upon us. Two weeks ago, multiple Iranian steel facilities experienced a cyberattack that might have been pulled off by what many cybersecurity experts i...

Growling Bears Make Thunderous Noise

Growling Bears Make Thunderous Noise By Trellix · June 6, 2022 Per public attribution, Russian cybercriminal groups have always been active. Their tactics, techniques, and procedures TTPs have not significantly evolved over time, although some changes have been observed. Lately, the threat...

SideWinder Hackers Launched Over a 1,000 Cyber Attacks Over the Past 2 Years

An "aggressive" advanced persistent threat APT group known as SideWinder has been linked to over 1,000 new attacks since April 2020. "Some of the main characteristics of this threat actor that make it stand out among the others, are the sheer number, high frequency and persistence of their attack...

Belarusian ‘Ghostwriter’ Actor Picks Up BitB for Ukraine-Related Attacks

Ghostwriter – a threat actor previously linked with the Belarusian Ministry of Defense – has glommed onto the recently disclosed, nearly invisible “Browser-in-the-Browser” BitB credential-phishing technique in order to continue its ongoing exploitation of the war in Ukraine. In a Wednesday post,...

South Korean DarkHotel Hackers Targeted Luxury Hotels in Macau

Luxury hotels in the Chinese special administrative region of Macau were the target of a malicious spear-phishing campaign from the second half of November 2021 and through mid-January 2022. Cybersecurity firm Trellix attributed the campaign with moderate confidence to a suspected South Korean...

Broadcom Software Discloses APT Actors Deploying Daxin Malware in Global Espionage Campaign

Broadcom Software—an industry member of CISA’s Joint Cyber Defense Collaborative JCDC—uncovers an advanced persistent threat APT campaign against select governments and other critical infrastructure targets in a publication titled Daxin: Stealthy Backdoor Designed for Attacks Against Hardened...

CISA warns of cyberespionage by Iranian APT “MuddyWater”

Cybersecurity agencies in the US and UK have issued a joint cybersecurity advisory CSA on MuddyWater, a government-sponsored Iranian advanced persistent threat APT actor. The Cybersecurity and Infrastructure Security Agency CISA, the Federal Bureau of Investigation FBI, the US Cyber Command Cyber...

Chinese Experts Uncover Details of Equation Group's Bvp47 Covert Hacking Tool

Researchers from China's Pangu Lab have disclosed details of a "top-tier" backdoor put to use by the Equation Group, an advanced persistent threat APT with alleged ties to the cyber-warfare intelligence-gathering unit of the U.S. National Security Agency NSA. Dubbed "Bvp47" owing to numerous...

Baby Golang-Based Botnet Already Pulling in $3K/Month for Operators

There’s a new, still-under-development, Golang-based botnet called Kraken with a level of brawn that belies its youth: It’s using the SmokeLoader malware loader to spread like wildfire and is already raking in a tidy USD $3,000/month for its operators, researchers report. Though its name may soun...

Hackers Begin Exploiting Second Log4j Vulnerability as a Third Flaw Emerges

Web infrastructure company Cloudflare on Wednesday revealed that threat actors are actively attempting to exploit a second bug disclosed in the widely used Log4j logging utility, making it imperative that customers move quickly to install the latest version as a barrage of attacks continues to...