malware

Pierluigi Paganini July 25, 2025
Koske, a new AI-Generated Linux malware appears in the threat landscape

Koske is a new Linux malware designed for cryptomining, likely developed with the help of artificial intelligence. Koske is a new Linux AI-generated malware that was developed for cryptomining activities. Aquasec researchers reported that the malicious code uses rootkits and polyglot image file abuse to evade detection. Attackers exploit a misconfigured server to drop backdoors […]

Pierluigi Paganini July 24, 2025
Coyote malware is first-ever malware abusing Windows UI Automation

New Coyote malware uses Windows UI Automation to steal banking credentials, targeting Brazilian users across 75 banks and crypto platforms. Coyote malware is now the first to exploit Microsoft’s UI Automation framework in the wild, validating prior warnings from Akamai researchers in December 2024. The UI Automation (UIA) framework is a Microsoft accessibility framework that […]

Pierluigi Paganini July 24, 2025
SonicWall fixed critical flaw in SMA 100 devices exploited in Overstep malware attacks

SonicWall addressed a critical vulnerability, tracked as CVE-2025-40599 (CVSS score of 9.1), in SMA 100 appliances SonicWall addressed a critical vulnerability, tracked as CVE-2025-40599 (CVSS score of 9.1), in SMA 100 appliances. Experts warn customers to check their installs for Indicators of Compromise (IoCs) associated with Overstep malware attacks. The issue is an authenticated arbitrary […]

Pierluigi Paganini July 24, 2025
Stealth backdoor found in WordPress mu-Plugins folder

A new stealth backdoor has been discovered in the WordPress mu-plugins folder, granting attackers persistent access and control over compromised sites. Sucuri researchers found a stealthy backdoor hidden in WordPress’s “mu-plugins” folder. These plugins auto-run and allow attackers to stay hidden in admin, and maintain persistence. “must-use plugins” are special WordPress plugins that cannot be […]

Pierluigi Paganini July 21, 2025
MuddyWater deploys new DCHSpy variants amid Iran-Israel conflict

Iran-linked APT MuddyWater is deploying new DCHSpy spyware variants to target Android users amid the ongoing conflict with Israel. Lookout researchers observed Iran-linked APT MuddyWater  (aka SeedWorm, TEMP.Zagros, and Static Kitten) is deploying a new version of the DCHSpy Android spyware in the context of the Israel-Iran conflict. The first MuddyWater campaign was observed in late 2017, when the APT group targeted entities in […]

Pierluigi Paganini July 20, 2025
SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 54

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape KongTuke FileFix Leads to New Interlock RAT Variant   Code highlighting with Cursor AI for $500,000 Contagious Interview Campaign Escalates With 67 Malicious npm Packages and New Malware Loader Threat Analysis: SquidLoader – Still Swimming Under the […]

Pierluigi Paganini July 20, 2025
Security Affairs newsletter Round 533 by Pierluigi Paganini – INTERNATIONAL EDITION

A new round of the weekly Security Affairs newsletter has arrived! Every week, the best security articles from Security Affairs are free in your email box. Enjoy a new round of the weekly SecurityAffairs newsletter, including the international press. Fortinet FortiWeb flaw CVE-2025-25257 exploited hours after PoC release Authorities released free decryptor for Phobos and […]

Pierluigi Paganini July 18, 2025
Authorities released free decryptor for Phobos and 8base ransomware

Japanese police released a free decryptor for Phobos and 8Base ransomware, letting victims recover files without paying ransom. Japanese authorities released a free decryptor for Phobos and 8Base ransomware, allowing victims to recover files without paying. Japanese police released the free decryptor for ransomware families, which was likely built using intel from a recent gang […]

Pierluigi Paganini July 18, 2025
LameHug: first AI-Powered malware linked to Russia’s APT28

LameHug malware uses AI to create data-theft commands on infected Windows systems. Ukraine links it to the Russia-nexus APT28 group. Ukrainian CERT-UA warns of a new malware strain dubbed LameHug that uses a large language model (LLM) to generate commands to be executed on compromised Windows systems. Ukrainian experts attribute the malware to the Russia-linked […]

Pierluigi Paganini July 16, 2025
DDoS peaks hit new highs: Cloudflare mitigated massive 7.3 Tbps assault

Cloudflare blocked 7.3M DDoS attacks in Q2 2025, down from 20.5M in Q1, while hyper-volumetric attacks surged with 6,500+ blocked, averaging 71 daily. Cloudflare mitigated 7.3M DDoS attacks in Q2 2025, down from 20.5M in Q1, 13.5M of which stemmed from an 18-day Q1 campaign. Hyper-volumetric attacks surged, with over 6,500 blocked, averaging 71 per […]