The various threat intelligence stories in this iteration of the Anomali Cyber Watch discuss the following topics: APT, Android Malware, RATs, Phishing, QLocker Ransomware and Vulnerabilities. The IOCs related to these stories are attached to Anomali Cyber Watch and can be used to check your logs for potential malicious activity.
Figure 1 - IOC Summary Charts. These charts summarize the IOCs attached to this magazine and provide a glimpse of the threats discussed.
Trending Cyber News and Threat Intelligence
Zero-day Vulnerabilities in SonicWall Email Security Actively Exploited
(published: April 21, 2021)
US cybersecurity company SonicWall said fixes have been published to resolve three critical issues in its email security solution that are being actively exploited in the wild. The vulnerabilities are tracked as CVE-2021-20021, CVE-2021-20022, and CVE-2021-20023, impacting SonicWall ES/Hosted Email Security (HES) versions 10.0.1 and above.Analyst Comment: The patches for these vulnerabilities have been issued and should be applied as soon as possible to avoid potential malicious behaviour. SonicWall’s security notice can be found here https://www.sonicwall.com/support/product-notification/security-notice-sonicwall-email-security-zero-day-vulnerabilities/210416112932360/. It is important that your company has patch-maintenance policies in place. Once a vulnerability has been publicly reported,, threat actors will likely attempt to incorporate the exploitation of the vulnerability into their malicious operations. Patches should be reviewed and applied as soon as possible to prevent potential malicious activity.MITRE ATT&CK: [MITRE ATT&CK] Remote File Copy - T1105 | [MITRE ATT&CK] File and Directory Discovery - T1083Tags: CVE-2021-20021, CVE-2021-20023, CVE-2021-20022
