Cybersecurity Agencies Warn Ubiquiti EdgeRouter Users of APT28's MooBot Threat

In a new joint advisory, cybersecurity and intelligence agencies from the U.S. and other countries are urging users of Ubiquiti EdgeRouter to take protective measures, weeks after a botnet comprising infected routers was felled by law enforcement as part of an operation codenamed Dying Ember. The...

Russian-Linked Hackers Target 80+ Organizations via Roundcube Flaws

Threat actors operating with interests aligned to Belarus and Russia have been linked to a new cyber espionage campaign that likely exploited cross-site scripting XSS vulnerabilities in Roundcube webmail servers to target over 80 organizations. These entities are primarily located in Georgia,...

U.S. Government Disrupts Russia-Linked Botnet Engaged in Cyber Espionage

The U.S. government on Thursday said it disrupted a botnet comprising hundreds of small office and home office SOHO routers in the country that was put to use by the Russia-linked APT28 actor to conceal its malicious activities. "These crimes included vast spear-phishing and similar credential...

Critical Exchange Server Flaw (CVE-2024-21410) Under Active Exploitation

Microsoft on Wednesday acknowledged that a newly disclosed critical security flaw in Exchange Server has been actively exploited in the wild, a day after it released fixes for the vulnerability as part of its Patch Tuesday updates. Tracked as CVE-2024-21410 CVSS score: 9.8, the issue has been...

Alert: CISA Warns of Active 'Roundcube' Email Attacks - Patch Now

The U.S. Cybersecurity and Infrastructure Security Agency CISA on Monday added a medium-severity security flaw impacting Roundcube email software to its Known Exploited Vulnerabilities KEV catalog, based on evidence of active exploitation. The issue, tracked as CVE-2023-43770 CVSS score: 6.1,...

Russian APT28 Hackers Targeting High-Value Orgs with NTLM Relay Attacks

Russian state-sponsored actors have staged NT LAN Manager NTLM v2 hash relay attacks through various methods from April 2022 to November 2023, targeting high-value targets worldwide. The attacks, attributed to an "aggressive" hacking crew called APT28, have set their eyes on organizations dealing...

Attacks, Vulnerabilities and Actors 1 January to 7 January 2024

For a detailed threat digest, download the pdf file here Summary HiveForce Labs has recently made several significant discoveries related to cybersecurity threats. Over the past week, we identified a total of twelve executed attacks, two instances of adversary activity, and three exploited...

Unveiling Novel Malware Waves by APT28

Summary: A recent phishing campaign attributed to the Russia-linked APT28 group has been identified targeting Ukrainian government entities and Polish organizations with email messages urging recipients to click on a link to view a document. The goal is to deploy previously undocumented malware,...

CERT-UA Uncovers New Malware Wave Distributing OCEANMAP, MASEPIE, STEELHOOK

The Computer Emergency Response Team of Ukraine CERT-UA has warned of a new phishing campaign orchestrated by the Russia-linked APT28 group to deploy previously undocumented malware such as OCEANMAP, MASEPIE, and STEELHOOK to harvest sensitive information. The activity, which was detected by the...

Russian APT28 Hackers Targeting 13 Nations in Ongoing Cyber Espionage Campaign

The Russian nation-state threat actor known as APT28 has been observed making use of lures related to the ongoing Israel-Hamas war to facilitate the delivery of a custom backdoor called HeadLace. IBM X-Force is tracking the adversary under the name ITG05, which is also known as BlueDelta, Fancy...

Attacks, Vulnerabilities and Actors 4 December to 10 December 2023

For a detailed threat digest, download the pdf file here Summary HiveForce Labs recently made several significant discoveries in the realm of cybersecurity threats. In the past week alone, a total of eleven attacks were executed, eleven vulnerabilities were uncovered, and four active adversaries...

APT28’s Tactical Exploitation of Critical Vulnerabilities

Summary: The APT28 adversary, originating from Russia, has garnered notoriety through sophisticated phishing activities. By exploiting patched vulnerabilities as an initial access point, APT28 conducts extensive campaigns targeting diverse sectors, including government, aerospace, education,...

Microsoft Warns of Kremlin-Backed APT28 Exploiting Critical Outlook Vulnerability

Microsoft on Monday said it detected Kremlin-backed nation-state activity exploiting a now-patched critical security flaw in its Outlook email service to gain unauthorized access to victims' accounts within Exchange servers. The tech giant attributed the intrusions to a threat actor it called...

CVE-2023-38831: Navigating the Threat Landscape of the Latest Security Vulnerability

CVE-2023-38831: Navigating the Threat Landscape of the Latest Security Vulnerability By Trellix · November 9, 2023 This blog was written by Neeraj Kumar Singh Executive Summary In August 2023, WinRAR released a security patch to address a remote code execution vulnerability in WinRAR's ZIP archiv...

CVE-2023-38831: Navigating the Threat Landscape of the Latest Security Vulnerability

CVE-2023-38831: Navigating the Threat Landscape of the Latest Security Vulnerability By Neeraj Kumar Singh · November 09, 2023 Executive Summary In August 2023, WinRAR released a security patch to address a remote code execution vulnerability in WinRAR's ZIP archive. The vulnerability, known as...

Google TAG Detects State-Backed Threat Actors Exploiting WinRAR Flaw

A number of state-back threat actors from Russia and China have been observed exploiting a recent security flaw in the WinRAR archiver tool for Windows as part of their operations. The vulnerability in question is CVE-2023-38831 CVSS score: 7.8, which allows attackers to execute arbitrary code wh...

Cybercriminals Using PowerShell to Steal NTLMv2 Hashes from Compromised Windows

A new cyber attack campaign is leveraging the PowerShell script associated with a legitimate red teaming tool to plunder NTLMv2 hashes from compromised Windows systems primarily located in Australia, Poland, and Belgium. The activity has been codenamed Steal-It by Zscaler ThreatLabz. "In this...

Ukraine's CERT Thwarts APT28's Cyberattack on Critical Energy Infrastructure

The Computer Emergency Response Team of Ukraine CERT-UA on Tuesday said it thwarted a cyber attack against an unnamed critical energy infrastructure facility in the country. The intrusion, per the agency, started with a phishing email containing a link to a malicious ZIP archive that activates th...

Malware Unleashed: Public Sector Hit in Sudden Surge, Reveals New Report

The just-released BlackBerry Global Threat Intelligence Report reveals a 40% increase in cyberattacks against government and public service organizations versus the previous quarter. This includes public transit, utilities, schools, and other government services we rely on daily. With limited...

PicassoLoader Malware Used in Ongoing Attacks on Ukraine and Poland

Government entities, military organizations, and civilian users in Ukraine and Poland have been targeted as part of a series of campaigns designed to steal sensitive data and gain persistent remote access to the infected systems. The intrusion set, which stretches from April 2022 to July 2023,...