Google spots tailored backdoor malware aimed at SonicWall appliances

Google spots tailored backdoor malware aimed at SonicWall appliances

Cyber threat actors are exploiting end-of-life SonicWall appliances to steal sensitive data and maintain persistent access, using malware and a backdoor called OVERSTEP. The campaign, linked to UNC6148, involves the theft of credentials and the deployment of sophisticated malware, potentially using known and zero-day vulnerabilities. #SonicWall #UNC6148

Keypoints

  • Threat actors are targeting end-of-life SonicWall SMA 100 series appliances to steal data and maintain access.
  • The campaign involves the use of malware that deletes log entries to hide initial intrusion methods.
  • A backdoor named OVERSTEP allows attackers to persistently control affected devices and conceal malware components.
  • Several known vulnerabilities, including CVE-2024-38475, may have been exploited for initial access.
  • SonicWall recommends resetting OTP secrets to mitigate the risk of unauthorized access.

Read More: https://therecord.media/sonicwall-sma-100-series-overstep-malware-unc6148