backdoor

Pierluigi Paganini February 19, 2023
Frebniis malware abuses Microsoft IIS feature to create a backdoor

Experts spotted a malware dubbed Frebniis that abuses a Microsoft IIS feature to deploy a backdoor and monitor all HTTP traffic to the system. Broadcom Symantec researchers have spotted a new malware, tracked as Frebniis, that abuses Microsoft Internet Information Services (IIS) to deploy a backdoor and monitor all HTTP traffic to the infected system, […]

Pierluigi Paganini February 15, 2023
AdSense fraud campaign relies on 10,890 sites that were infected since September 2022

The threat actors behind a massive AdSense fraud campaign infected 10,890 WordPress sites since September 2022. In November 2022, researchers from security firm Sucuri reported to have tracked a surge in WordPress malware redirecting website visitors to fake Q&A sites via ois[.]is. The experts were tracking the campaign since September 2022, the campaign’s end goal was black […]

Pierluigi Paganini January 16, 2023
Experts spotted a backdoor that borrows code from CIA’s Hive malware

Netlab 360 observed unidentified threat actors using a new backdoor based on the US CIA’s Project Hive malware suite. Researchers from Qihoo Netlab 360 reported that unidentified threat actors using a new backdoor based on the US CIA’s Project Hive malware suite. “Hive provides a covert communications platform for a whole range of CIA malware to send exfiltrated […]

Pierluigi Paganini December 24, 2022
Expert found Backdoor credentials in ZyXEL LTE3301 M209

The cybersecurity researcher RE-Solver discovered Backdoor credentials in ZyXEL LTE3301-M209 LTE indoor routers. Security researcher ReSolver announced the discovery of hardcoded credentials (CVE-2022-40602) in ZyXEL LTE3301-M209 LTE indoor routers. In previous research, the expert discovered a Telnet backdoor in D-Link DWR-921 which is also present in the ZyXEL LTE3301-M209 as well.  The researcher analyzed the […]

Pierluigi Paganini December 13, 2022
Experts detailed a previously undetected VMware ESXi backdoor

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
News URSNIF variant doesn’t support banking features

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
SparklingGoblin APT adds a new Linux variant of SideWalk implant to its arsenal

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
Counterfeit versions of popular mobile devices target WhatsApp and WhatsApp Business

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
HelloXD Ransomware operators install MicroBackdoor on target systems

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 adds a new .NET DNS Backdoor to its arsenal

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 […]