- D-Link, IoT Devices Under Attack By Tor-Based Gafgyt Variant
March 5, 2021
Researchers have discovered what they say is the first variant of the Gafgyt botnet family to cloak its activity using the Tor network. Gafgyt, a botnet that was uncovered in 2014, has become infamous for launching large-scale distributed denial-of-service (DDoS) attacks. Researchers first discovered activity from the newest variant, which they call Gafgyt_tor, on Feb. 15. In ...
- New in Ransomware: AlumniLocker, Humble Feature Different Extortion Techniques
March 4, 2021
Trend Micro researchers recently discovered two new ransomware variants, AlumniLocker and Humble, which exhibit different sophisticated behaviors and extortion techniques post-encryption. One of these techniques includes an unusually high ransom payment and a threat to publicize victims’ critical data. These new variants prove that ransomware’s targeted and extortion-focused era is alive and well in 2021. Technical analyses AlumniLocker ...
- Microsoft reveals GoldMax, Sibot and GoldFinder new malware strains used by SolarWinds hackers
March 4, 2021
Microsoft has revealed information on newly found malware the SolarWinds hackers deployed on victims’ networks as second-stage payloads. The company now tracks the “sophisticated attacker” who used the Sunburst backdoor and Teardrop malware during the SolarWinds supply-chain attack as Nobelium. Security researchers with the Microsoft Threat Intelligence Center (MSTIC) and the Microsoft 365 Defender Research Team found ...
- New Sunshuttle Second-Stage Backdoor Uncovered Targeting U.S.-Based Entity; Possible Connection to UNC2452
March 4, 2021
Mandiant Threat Intelligence discovered a new backdoor uploaded by a U.S.-based entity to a public malware repository in August 2020 that we have named SUNSHUTTLE. SUNSHUTTLE is written in GO, and reads an embedded or local configuration file, communicates with a hard-coded command and control (C2) server over HTTPS, and supports commands including remotely uploading ...
- Supermicro, Pulse Secure release fixes for ‘TrickBoot’ attacks
March 4, 2021
Supermicro and Pulse Secure have released advisories warning that some of their motherboards are vulnerable to the TrickBot malware’s UEFI firmware-infecting module, known as TrickBoot. Last year, cybersecurity firms Advanced Intelligence and Eclypsium released a joint report about a new malicious firmware-targeting ‘TrickBoot’ module delivered by the notorious TrickBot malware. When executed, the module will analyze a ...
- Ursnif Trojan has targeted over 100 Italian banks
March 3, 2021
The Ursnif Trojan has been traced back to attacks against at least 100 banks in Italy. According to Avast, the malware’s operators have a keen interest in Italian targets and attacks against these banking institutions have led to the loss of credentials and financial data. The cybersecurity firm said on Tuesday that at least 100 banks have ...
- Compromised Website Images Camouflage ObliqueRAT Malware
March 2, 2021
The ObliqueRAT malware is now cloaking its payloads as seemingly-innocent image files that are hidden on compromised websites. The remote access trojan (RAT), which has been operating since 2019, spreads via emails, which have malicious Microsoft Office documents attached. Previously, payloads were embedded into the documents themselves. Now, if users click on the attachment, they’re redirected ...
- Ryuk Ransomware: Now with Worming Self-Propagation
March 2, 2021
A new version of the Ryuk ransomware is capable of worm-like self-propagation within a local network, researchers have found. The variant first emerged in Windows-focused campaigns earlier in 2021, according to the French National Agency for the Security of Information Systems (ANSSI). The agency said that it achieves self-replication by scanning for network shares, and then ...
- Emotet One Month After the Takedown
March 2, 2021
2021 got off to a fantastic start for the cybersecurity community with the news that the infamous botnet Emotet had been brought down in a coordinated global operation, “Operation Ladybird.” As the first security vendor to detect and profile the Trojan all the way back in 2014, we’re particularly delighted to be seeing the back of ...
- Mobile malware evolution 2020
March 1, 2021
In their campaigns to infect mobile devices, cybercriminals always resort to social engineering tools, the most common of these passing a malicious application off as another, popular and desirable one. All they need to do is correctly identify the application, or at least, the type of applications, that are currently in demand. Therefore, attackers constantly ...