Malware

Pierluigi Paganini August 09, 2023
Balada Injector still at large – new domains discovered

The Balada Injector is still at large and still evading security software by utilizing new domain names and using new obfuscation. During a routine web monitoring operation, we discovered an address that led us down a rabbit hole of WordPress-orientated “hack waves” caused by the Balada Injector malware. This evidence suggests that the malware is […]

Pierluigi Paganini August 09, 2023
LockBit threatens to leak medical data of cancer patients stolen from Varian Medical Systems

The LockBit ransomware group threatens to leak medical data of cancer patients stolen from Varian Medical Systems. The LockBit ransomware group claims to have hacked the healthcare company Varian Medical Systems and threatens to leak the medical data of cancer patients. Varian Medical Systems, Inc. designs, manufactures, sells, and services medical devices and software products […]

Pierluigi Paganini August 08, 2023
43 Android apps in Google Play with 2.5M installs loaded ads when a phone screen was off

Experts found 43 Android apps in Google Play with 2.5 million installs that displayed advertisements while a phone’s screen was off. Recently, researchers from McAfee’s Mobile Research Team discovered 43 Android apps in Google Play with 2.5 million installs that loaded advertisements while a phone’s screen was off. The experts pointed out that this behavior […]

Pierluigi Paganini August 07, 2023
North Korea compromised Russian missile engineering firm NPO Mashinostroyeniya

Two North Korea-linked APT groups compromised the infrastructure of the major Russian missile engineering firm NPO Mashinostroyeniya. Cybersecurity firm SentinelOne linked the compromise of the major Russian missile engineering firm NPO Mashinostroyeniya to two different North Korea-linked APT groups. NPO Mashinostroyeniya (JSC MIC Mashinostroyenia, NPO Mash) is a leading Russian manufacturer of missiles and military […]

Pierluigi Paganini August 07, 2023
A new sophisticated SkidMap variant targets unsecured Redis servers

A new campaign targets Redis servers, this time the malware employed in the attacks is a new variant of the SkidMap malware. Skidmap is a piece of crypto-miner detected by Trend Micro in September 2019 while it was targeting Linux machines. The malicious code used kernel-mode rootkits to evade detection, it differs from similar miners because […]

Pierluigi Paganini August 06, 2023
Colorado Department of Higher Education (CDHE) discloses data breach after ransomware attack

The Colorado Department of Higher Education (CDHE) finally disclosed a data breach impacting students, past students, and teachers after the June attack. In June a ransomware attack hit the Colorado Department of Higher Education (CDHE), now the organization disclosed a data breach. CDHE did not disclose the number of impacted individuals. CDHE discovered the ransomware […]

Pierluigi Paganini August 05, 2023
Reptile Rootkit employed in attacks against Linux systems in South Korea

Researchers observed threat actors that are using an open-source rootkit called Reptile in attacks aimed at systems in South Korea. Reptile is an open-source kernel module rootkit that was designed to target Linux systems, unlike other rootkits, it also offers a reverse shell. The malware supports port knocking, it opens a specific port on an infected system […]

Pierluigi Paganini August 04, 2023
Malicious packages in the NPM designed for highly-targeted attacks

Researchers discovered a new set of malicious packages on the npm package manager that can exfiltrate sensitive developer data. On July 31, 2023, Phylum researchers observed the publication of ten different “test” packages on the npm package manager that were developed to exfiltrate sensitive developer source code and other confidential information. All of these packages […]

Pierluigi Paganini August 04, 2023
Attackers use dynamic code loading to bypass Google Play store’s malware detections

Threat actors rely on the ‘versioning’ technique to evade malware detections of malicious code uploaded to the Google Play Store. Google Cybersecurity Action Team (GCAT) revealed that threat actors are using a technique called versioning to evade malware detection implemented to detect malicious code uploaded to the Google Play Store. The technique is not new […]

Pierluigi Paganini August 02, 2023
Hackers already installed web shells on 581 Citrix servers in CVE-2023-3519 attacks

Researchers warn that hundreds of Citrix servers have been hacked in an ongoing campaign exploiting the RCE CVE-2023-3519. Security researchers from the non-profit organization Shadowserver Foundation reported that hundreds of Citrix Netscaler ADC and Gateway servers have already been compromised as part of an ongoing campaign exploiting the critical remote code execution (RCE) vulnerability CVE-2023-3519. […]