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Proactive Defense: The Importance of Incident Response Planning in Cybersecurity
Rewterz Threat Advisory – CVE-2021-40444 MSHTML Vulnerability Exploited in Spam Campaign
November 12, 2021Rewterz Threat Alert – Vidar Malware – Active IOCs
November 12, 2021Rewterz Threat Advisory – CVE-2021-40444 MSHTML Vulnerability Exploited in Spam Campaign
November 12, 2021Rewterz Threat Alert – Vidar Malware – Active IOCs
November 12, 2021
Severity
High
Analysis Summary
A new Mirai variant is making the rounds called mirai_pteamirai. The botnet exploits a vulnerability in KGUARD DVR to spread within an environment. The vulnerability exists in the 2016 firmware version and is fixed in any version after the 2017 release. This botnet is active and used to cause DDoS conditions.
Impact
- Server Outage
- Data Loss
- Website Downtime
Indicators of Compromise
SHA-256
- 05753da78d6a6842c7464de49a5209bbefb6dc43b3d990c143661ac17268a51c
- d7c15cc1557c92a3601784a6be751af74f993d5fe9a44d3925fdee71caacf257
- 7adb9cdf8a3c69fcc4487068b9ff4615b262f83342af0520598683c6c2e2d535
- e42222a60fcb014e72bca10bd4376d7f4406ffad23146171b7e614bfb1c00277
Remediation
- Upgrade your operating system.
- Don’t open files and links from unknown sources.
- Install and run anti-virus scans.