More_eggs MaaS Expands Operations with RevC2 Backdoor and Venom Loader
The threat actors behind the More_eggs malware have been linked to two new malware families, indicating an expansion of its malware-as-a-service (MaaS) operation
Stay updated on the latest backdoor threats in cybersecurity. Discover news, analysis, and insights on covert access vulnerabilities.
Search across headline titles and summaries.
Background for this topic.
A backdoor is a hidden method within software or hardware that allows bypassing normal authentication to access a system or network. These can be intentionally created by developers for maintenance or debugging but are frequently exploited or implanted by attackers to maintain unauthorized, persistent access. Backdoors often appear as undocumented commands, hidden user accounts, or covert network services designed to evade detection.
In cybersecurity, backdoors enable attackers to circumvent security controls, increasing the risk of prolonged system compromise and data exposure. Detecting backdoors requires careful code review, monitoring for unusual system behavior, and verifying integrity through trusted baselines. Identifying backdoor indicators in malware or attacker infrastructure is critical for limiting unauthorized access and reducing attacker dwell time within networks. Defensive measures focus on eliminating hidden access points and strengthening authentication mechanisms.
The threat actors behind the More_eggs malware have been linked to two new malware families, indicating an expansion of its malware-as-a-service (MaaS) operation
The emerging threat actor, potentially a Chinese state-sponsored APT, is using the known exploit kit Moonshine in cross-platform attacks that deliver a previously undisclosed backdoor called "DarkNimbus" to ethnic minorities, including Tibetans.
A previously undocumented threat activity cluster dubbed Earth Minotaur is leveraging the MOONSHINE exploit kit and an unreported Android-cum-Windows backdoor called DarkNimbus to facilitate long-term surveillance operations targeting Tibetans and Uyghurs
The China-linked threat actor known as MirrorFace has been attributed to a new spear-phishing campaign mainly targeting individuals and organizations in Japan since June 2024
Trend Micro’s monitoring of the MOONSHINE exploit kit revealed how it’s used by the threat actor Earth Minotaur to exploit Android messaging app vulnerabilities and install the DarkNimbus backdoor for surveillance.
Cybersecurity researchers are alerting to a software supply chain attack targeting the popular @solana/web3.js npm library that involved pushing two malicious versions capable of harvesting users' private keys with an aim to drain their cryptocurrency wallets
A novel backdoor malware and a loader that customizes payload names for each victim have been added to the threat group's cybercriminal tool set.