Hacked? Brain Cipher ransomware group claims to have breached Deloitte UK
Malware developments
RevC2 & Venom Loader: Major MaaS malware campaign detected
Researchers observed two major campaigns in late 2024 that introduced new malware variants - RevC2 and Venom Loader - delivered via Venom Spider's services.Venom Spider, recognized as GOLDEN CHICKENS, is a malicious entity that sells cyberattack tools through Malware-as-a-Service (MaaS). Their offerings like VenomLNK, TerraLoader, and more have been used by notorious groups such as FIN6 and Cobalt. READ MORE.
New phishing tactic exploits corrupted files to evade email security tools
Cybersecurity researchers have identified a new phishing campaign that employs corrupted Microsoft Office documents and ZIP archives to bypass email security mechanisms. This tactic allows attackers to evade antivirus software, avoid sandbox detection, and slip through Outlook’s spam filters. The corrupted nature of these files prevents them from being flagged as malicious by security tools. READ MORE.
Vulnerabilities and exploitation attempts
Critical Vulnerability in Veeam Service Provider Console Allows Remote Code Execution
Veeam has disclosed a critical vulnerability in its Service Provider Console that could allow attackers to execute remote code on affected systems. The flaw, tracked as CVE-2024-42448 (CVSS score 9.9) impacts the cloud-enabled platform used for managing and monitoring data protection services across physical, virtual, and cloud-based environments. READ MORE.
CTI alert update
Brain Cipher Ransomware Group claims to have breached Deloitte UK
The ransomware group Brain Cipher has claimed responsibility for breaching Deloitte UK, the leading global provider of professional and financial services, reportedly exfiltrating over 1 terabyte of sensitive data; however, Deloitte denies any compromise by the Brain Cipher ransomware gang.
Identified trends
Surge in Phishing Campaigns Exploiting Cloudflare Services
Cybercriminals are increasingly exploiting Cloudflare's trusted domains for phishing and other malicious activities. Reports indicate a sharp rise in abuse, with incidents increasing by 100% to 250% compared to 2023. This trend highlights how attackers leverage Cloudflare's brand credibility, service reliability, and reverse proxying capabilities to bypass detection systems and make their campaigns appear legitimate. READ MORE.
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