Pierluigi Paganini
December 13, 2022
A new Python backdoor is targeting VMware ESXi servers, allowing attackers to take over compromised systems. Juniper Networks researchers spotted a previously undocumented Python backdoor targeting VMware ESXi servers. The researchers discovered the backdoor in October 2022, experts pointed out the implant is notable for its simplicity, persistence and capabilities. The experts were not able […]
Pierluigi Paganini
October 21, 2022
A new variant of the popular Ursnif malware is used as a backdoor to deliver next-stage payloads and steal sensitive data. Mandiant researchers warn of a significant shift from Ursnif‘s original purpose, the malware initially used in banking frauds is now used to deliver next-stage payloads and steal sensitive data. The new variant, first observed […]
Pierluigi Paganini
September 14, 2022
China-linked SparklingGoblin APT was spotted using a Linux variant of a backdoor known as SideWalk against a Hong Kong university. Researchers from ESET discovered a Linux variant of the SideWalk backdoor, which is a custom implant used by the China-linked SparklingGoblin APT group. The SparklingGoblin APT is believed to be a group that operated under […]
Pierluigi Paganini
August 23, 2022
Experts found backdoors in budget Android device models designed to target WhatsApp and WhatsApp Business messaging apps. Researchers from Doctor Web discovered backdoors in the system partition of budget Android device models that are counterfeit versions of famous brand-name models. The malware targets WhatsApp and WhatsApp Business messaging apps and can allow attackers to conduct […]
Pierluigi Paganini
June 13, 2022
Experts observed the HelloXD ransomware deploying a backdoor to facilitate persistent remote access to infected hosts. The HelloXD ransomware first appeared in the threat landscape on November 30, 2021, it borrows the code from Babuk ransomware, which is available in Russian-speaking hacking forums since September 2021. Unlike other ransomware operations, this ransomware gang doesn’t use a […]
Pierluigi Paganini
June 11, 2022
Iran-linked Lyceum APT group uses a new .NET-based DNS backdoor to target organizations in the energy and telecommunication sectors. The Iran-linked Lyceum APT group, aka Hexane or Spilrin, used a new .NET-based DNS backdoor in a campaign aimed at companies in the energy and telecommunication sectors, ZScaler researchers warn. The activity of the Lyceum APT […]
Pierluigi Paganini
April 19, 2022
Researchers disclosed a new variant of the SolarMarker malware that implements new techniques to avoid detection. Cybersecurity researchers from Palo Alto Networks disclosed a new version of the SolarMarker malware that implements new features to avoid detection. SolarMarker (aka Jupyter, Polazert, and Yellow Cockatoo) is a fileless .NET RAT that implements backdoor capabilities and allows operators to steal […]
Pierluigi Paganini
February 25, 2022
US and UK cybersecurity agencies provided details of a new malware used by Iran-linked MuddyWater APT. CISA, the FBI, the US Cyber Command’s Cyber National Mission Force (CNMF), UK’s National Cyber Security Centre (NCSC-UK), and the NSA, and law enforcement agencies have published a joint advisory on new malware used by Iran-linked MuddyWater APT group […]
Pierluigi Paganini
February 07, 2022
An unnamed Chinese-language-speaking hacking group compromised systems at National Games of China in 2021. Researchers at cybersecurity firm Avast discovered that a Chinese-language-speaking threat actor has compromised systems at National Games of China in 2021. The event took place on September 15, 2021 in Shaanxi (China), it is a national version of the Olympics with only local […]
Pierluigi Paganini
January 25, 2022
Experts found an undocumented macOS backdoor, dubbed DazzleSpy, that was employed in watering hole attacks aimed at politically active individuals in Hong Kong. Researchers from ESET have spotted an undocumented macOS backdoor, dubbed DazzleSpy, that was employed in watering hole attacks aimed at politically active individuals in Hong Kong. The investigation started in November after […]
