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23 attack reports | 0 vulnerabilities
Kaspersky's GERT team identified an attack exploiting a patched vulnerability (CVE-2023-48788) in FortiClient EMS versions 7.0.1 to 7.0.10 and 7.2.0 to 7.2.2. The attackers used SQL injection to infiltrate a company's network through an exposed Windows server. They deployed remote access tools like…
A large U.S. entity with significant operations in China faced a four-month-long cyber intrusion, likely conducted by a China-based threat actor. The attackers obtained persistent network access, laterally moved across systems, compromised Exchange servers to harvest emails, and deployed exfiltrati…
This report details a malicious campaign where the threat actor gained initial access through a resume lure as part of a TA4557/FIN6 operation. The actor employed techniques like abusing legitimate binaries, establishing Cobalt Strike and Pyramid C2, exploiting CVE-2023-27532 for lateral movement, …
In early November 2024, a threat actor gained initial access to a network via brute-forcing a public-facing RD-Web instance. Using PsExec, they executed batch files across multiple machines to enable RDP connections and install a malicious MeshAgent. The actor renamed the MeshAgent to mimic a virtu…
Ignoble Scorpius, previously known as Royal ransomware, has rebranded as BlackSuit ransomware and increased its activity since March 2024. The group has targeted at least 93 victims globally, with a focus on the construction and manufacturing industries. Their initial ransom demands average 1.6% of…
A sophisticated multi-stage PowerShell campaign has been identified, utilizing an LNK file to initiate a sequence of obfuscated scripts. The attack maintains persistence and stealth by connecting with a command-and-control server. It employs Chisel, a fast TCP/UDP tunneling tool, and a Netskope pro…
Kaspersky researchers discovered QSC, a multi-plugin malware framework used by the CloudComputating group in cyber espionage campaigns. QSC consists of a Loader, Core module, Network module, File Manager module, and Command Shell module, allowing attackers to load specific plugins on demand. The fr…
An incident response investigation uncovered an attacker who exploited a SharePoint vulnerability (CVE-2024-38094) to gain initial access. The attacker remained undetected for two weeks, moving laterally across the network and compromising the entire domain. Key tactics included installing Horoung …
This analysis examines two cybersecurity incidents: a web shell attack and a VPN compromise. The web shell attack involved uploading malicious files to a server, executing commands, creating a local admin account, and attempting to establish persistence. The VPN compromise led to lateral movement, …
This analysis examines the Prometei botnet's infiltration of a customer's system through a targeted brute force attack. Leveraging Trend Vision One, the investigation traced the botnet's detailed installation routine and stealthy tactics. Prometei, a modular malware family used for cryptocurrency m…
The Crypt Ghouls group is targeting Russian businesses and government agencies with ransomware attacks. They utilize a toolkit including utilities like Mimikatz, XenAllPasswordPro, PingCastle, and others. The group employs LockBit 3.0 and Babuk ransomware as final payloads. Initial access is often …
A financially motivated threat actor has been active since 2022, delivering a MedusaLocker ransomware variant called 'BabyLockerKZ'. The group targets organizations worldwide, with a focus shift from EU countries to South American countries in mid-2023. The actor uses a combination of publicly know…
Akira is a prolific ransomware operating since March 2023, targeting multiple industries in North America, the UK, and Australia. It functions as Ransomware as a Service (RaaS) and employs double extortion tactics. Akira has connections to the disbanded Conti group, sharing code similarities and op…
A BlackCat ransomware intrusion began with a Nitrogen malware campaign impersonating Advanced IP Scanner. The attackers used Sliver and Cobalt Strike beacons for post-exploitation, leveraging Python scripts for memory loading. They performed network enumeration using various tools and moved lateral…
Microsoft has observed Storm-0501, a financially motivated cybercriminal group, conducting multi-staged attacks targeting hybrid cloud environments. The group compromises on-premises networks, performs lateral movement to cloud environments, exfiltrates data, steals credentials, creates persistent …
Aqua Nautilus researchers identified a Linux malware, named Hadooken, targeting Oracle WebLogic servers. Upon gaining initial access through an exploited weak password, Hadooken deploys a cryptominer and the Tsunami malware. The report details the attack flow, techniques employed by the threat acto…
RansomHub is a ransomware-as-a-service variant that has targeted over 210 victims across various critical infrastructure sectors since February 2024. It employs a double-extortion model, encrypting systems and exfiltrating data. The ransom note provides victims with a client ID and instructions to …
The report meticulously chronicles a sophisticated intrusion which began in December 2023 and culminated in the deployment of BlackSuit ransomware approximately 15 days later. The threat actor demonstrated an array of tactics, leveraging tools like Cobalt Strike, Sharphound, and SystemBC, alongside…
This report examines an advanced cyber-attack targeting an Israeli enterprise, where a sophisticated threat actor compromised a Check Point firewall by deploying a malicious ELF implant known as MeshAgent. The implant, disguised as a legitimate process, enabled encrypted communication with the atta…
Elastic Security Labs uncovered a new Windows backdoor called BITSLOTH that utilizes the Background Intelligent Transfer Service (BITS) for command-and-control communication. This malware, discovered during an intrusion into a South American government's Foreign Ministry, possesses capabilities for…
Arctic Wolf Labs began monitoring the deployment of a new ransomware variant called Fog in early May 2024. The ransomware attacks targeted organizations in the education and recreation sectors within the United States. Evidence suggests threat actors gained initial access through compromised VPN cr…
Sophos Managed Detection and Response initiated a threat hunt across customers after detecting abuse of a vulnerable VMware executable. The hunt uncovered a complex, persistent cyberespionage campaign by Chinese state-sponsored actors targeting a high-profile government organization in Southeast As…
This report details a sophisticated cyber intrusion targeting MITRE's research network (NERVE) through the exploitation of Ivanti Connect Secure zero-day vulnerabilities. The threat actor, suspected to be UNC5221, initiated the attack by gaining unauthorized access and subsequently deploying variou…