Perfctl Campaign Exploits Millions of Linux Servers for Crypto Mining and Proxyjacking

Category	Details
Threat Actors	Perfctl (undisclosed group behind the malware campaign targeting Linux servers).
Campaign Overview	Campaign targeting Linux servers with advanced, fileless infection techniques to mine cryptocurrency and perform proxyjacking.
Target Regions	United States, Germany, South Korea.
Targeted Sectors	Cryptocurrency Platforms, Software Development and Publishing sectors.
Malware Reference	Perfctl (fileless infection, cryptomining, proxyjacking malware).
Tools Used	Rootkits, Fileless Techniques, Exploited Vulnerabilities (CVE-2021-4034, CVE-2023-33246).
Vulnerabilities Exploited	CVE-2021-4034 (Privilege escalation), CVE-2023-33246 (Unauthorized system takeover).
TTPs	– Rootkit (T1014) – Modify System Process (T1543) – System Information Discovery (T1082) – Application Layer Protocol (T1071) – Impair Defenses (T1562) – Masquerading (T1036) – Process Injection (T1055) – Remote Services (T1021) – Elevation Control Mechanism Abuse (T1548).
Attribution	Unknown hacker group using Perfctl malware.
Recommendations	– Monitor network traffic and system resources for anomalies. – Enforce strict access controls, particularly for administrative accounts. – Patch and update systems regularly. – Deploy Endpoint Detection and Response (EDR) solutions. – Conduct regular security audits. – Engage in threat intelligence using platforms like SOCRadar.
Source	Socradar

Read full article: https://socradar.io/perfctl-campaign-exploits-millions-of-linux-servers-for-crypto-mining-and-proxyjacking/

Disclaimer: The above summary has been generated by an AI language model