Evasion
Hackers now use ZIP file concatenation to evade detection
Hackers are targeting Windows machines using the ZIP file concatenation technique to deliver malicious payloads in compressed archives without security solutions detecting them. The technique exploits the different methods ZIP parsers and archive managers handle concatenated ZIP files. This new trend was spotted by Perception Point, who discovered a a concatentated ZIP archive hiding a trojan while […]
Linux malware “perfctl” behind years-long cryptomining campaign
A Linux malware named “perfctl” has been targeting Linux servers and workstations for at least three years, remaining largely undetected through high levels of evasion and the use of rootkits. According to Aqua Nautilus researchers who discovered perfctl, the malware likely targeted millions of Linux servers in recent years and possibly caused infections in several […]