Category: alerts

Since their release on Patch Tuesday, the updates have been breaking Windows, causing spontaneous boot loops on Windows domain controller servers, breaking Hyper-V and making ReFS volume systems unavailable.

US Cyber Command linked the group to Iranian intelligence and detailed its multi-pronged, increasingly sophisticated suite of malware tools.

Once prolific spreaders of REvil ransomware, the GootLoader malware gang has pivoted to actively targeting employees of law and accounting firms with malicious downloads. The Threat Response Unit from eSentire issued an alert about having over the past three weeks observed GootLoader attacks on three law firms and one accounting firm. WordPress vulnerabilities let the […]

Original release date: January 12, 2022

U.S. Cyber Command’s Cyber National Mission Force (CNMF) has identified multiple open-source tools used by an Iranian advanced persistent threat (APT) group known as MuddyWater. According to CNMF, “MuddyWater has been seen using a variety of techniques to maintain access to victim networks. These include side-loading DLLs in order to trick legitimate programs into running malware and obfuscating PowerShell scripts to hide command and control functions.” U.S. Cyber Command has released malware samples attributed to MuddyWater to the malware aggregation tool and repository, VirusTotal.

CISA encourages users and administrators to review U.S. Cyber Command’s press release, Iranian intel cyber suite of malware uses open source tools, as well as their VirusTotal page for more information.

Most Windows versions are at risk of remote, unprivileged attackers abusing RDP from the inside to hijack smart cards and get unauthorized file system access.

It’s not about buying security products! Joseph Carson, chief security scientist from ThycoticCentrify, offers practical steps to start the zero-trust journey.

Original release date: January 11, 2022

Citrix has released a security update to address a vulnerability in Workspace App for Linux. An attacker could exploit this vulnerability to take control of an affected system.

CISA encourages users and administrators to review Citrix Security Update CTX338435 and apply the necessary update.

Original release date: January 11, 2022

Microsoft has released updates to address multiple vulnerabilities in Microsoft software. An attacker could exploit some of these vulnerabilities to take control of an affected system.

CISA encourages users and administrators to review Microsoft’s January 2022 Security Update 
Summary and Deployment Information and apply the necessary updates.

The large January 2022 Patch Tuesday update covers nine critical CVEs, including a self-propagator with a 9.8 CVSS score.

Original release date: January 11, 2022

SAP has released security updates to address vulnerabilities affecting multiple products. An attacker could exploit some of these vulnerabilities to take control of an affected system.

CISA encourages users and administrators to review the SAP Security Notes for January 2022 and apply the necessary updates.