Reconnaissance
Wave of Citrix NetScaler scans use thousands of residential proxies
A coordinated reconnaissance campaign targeting Citrix NetScaler infrastructure over the past week used tens of thousands of residential proxies to discover login panels. The activity was observed between January 28 and February 2, and it also focused on enumerating versions of the product, indicating an organized discovery effort. Threat monitoring platform GreyNoise traced the source of the […]
Surge in networks scans targeting Cisco ASA devices raise concerns
Large network scans have been targeting Cisco ASA devices, prompting warnings from cybersecurity researchers that it could indicate an upcoming flaw in the products. GreyNoise has recorded two significant scanning spikes in late August, with up to 25,000 unique IP addresses probing ASA login portals and also Cisco IOS Telnet/SSH. The second wave, logged on August 26, 2025, was […]
Coyote malware abuses Windows accessibility framework for data theft
A new variant of the banking trojan ‘Coyote’ has begun abusing a Windows accessibility feature, Microsoft’s UI Automation framework, to identify which banking and cryptocurrency exchange sites are accessed on the device for potential credential theft. Microsoft UIA is a Windows accessibility framework designed to allow assistive technologies to interact with, inspect, and control user interface […]
Microsoft: New RAT malware used for crypto theft, reconnaissance
Microsoft has discovered a new remote access trojan (RAT) that employs “sophisticated techniques” to avoid detection, maintain persistence, and extract sensitive data. While the malware (dubbed StilachiRAT) hasn’t yet reached widespread distribution, Microsoft says it decided to publicly share indicators of compromise and mitigation guidance to help network defenders detect this threat and reduce its […]
CISA: Hackers abuse F5 BIG-IP cookies to map internal servers
CISA is warning that threat actors have been observed abusing unencrypted persistent F5 BIG-IP cookies to identify and target other internal devices on the targeted network. By mapping out internal devices, threat actors can potentially identify vulnerable devices on the network as part of the planning stages in cyberattacks. “CISA has observed cyber threat actors leveraging […]