Emotet malware now distributed in Microsoft OneNote files to evade defenses

The Emotet malware is now distributed using Microsoft OneNote email attachments, aiming to bypass Microsoft security restrictions and infect more targets. Emotet is a notorious malware botnet historically distributed through Microsoft Word and Excel attachments that contain malicious macros. If Read More …

KillNet and affiliate hacktivist groups targeting healthcare with DDoS attacks

In the last year, geopolitical tension has led to an uptick of reported cybercrime events fueled by hacktivist groups. The US Cybersecurity and Infrastructure Security Agency (CISA) published an advisory to warn organizations about these attacks and teamed with the Read More …

Bee-Ware of Trigona, An Emerging Ransomware Strain

Trigona ransomware is a relatively new strain that security researchers first discovered in late October 2022. By analyzing Trigona ransomware binaries and ransom notes obtained from VirusTotal, as well as information from Unit 42 incident response, we determined that Trigona Read More …

FBI, CISA, and MS-ISAC Release #StopRansomware: LockBit 3.0

The Federal Bureau of Investigation (FBI), CISA, and the Multi-State Information Sharing and Analysis Center (MS-ISAC) has released a joint cybersecurity advisory (CSA), #StopRansomware: LockBit 3.0. This joint advisory details known indicators of compromise (IOCs) and tactics, techniques, and procedures Read More …

Hands up who DIDN’T exploit this years-old flaw to ransack a US govt web server…

Multiple criminals, including at least potentially one nation-state group, broke into a US federal government agency’s Microsoft Internet Information Services web server by exploiting a critical three-year-old Telerik bug to achieve remote code execution. The snafu happened between November 2022 Read More …

Magniber ransomware actors used a variant of Microsoft SmartScreen bypass

Google’s Threat Analysis Group (TAG) recently discovered usage of an unpatched security bypass in Microsoft’s SmartScreen security feature, which financially motivated actors are using to deliver the Magniber ransomware without any security warnings. The attackers are delivering MSI files signed Read More …

Microsoft fixes Windows zero-day exploited in ransomware attacks

Microsoft has patched another zero-day bug used by attackers to circumvent the Windows SmartScreen cloud-based anti-malware service and deploy Magniber ransomware payloads without raising any red flags. The attackers have been using malicious MSI files signed with a specially crafted Read More …