Vendor
Suspicious File Download via Headless Browser
1 rule 2 TTPs 26 IOCsThe DUCKTAIL threat actor leverages Chromium-based web browsers (such as Microsoft Edge and Chrome) running in headless mode with the `--dump-dom` argument to stealthily download malicious content from the internet via suspicious file-sharing domains, impacting compromised endpoints.
Shai-Hulud Campaign Activity
25 IOCsTracking brief for the Shai-Hulud campaign; individual sightings are folded in as reported.
ClickFix Campaign Activity
16 IOCsTracking brief for the ClickFix campaign; individual sightings are folded in as reported.
SHub macOS Infostealer Variant 'Reaper' Spoofing Apple Security Updates
3 rules 5 TTPs 3 IOCsA new variant of the 'SHub' macOS infostealer, dubbed Reaper, uses AppleScript to display a fake security update message and install a backdoor, ultimately stealing browser data, financial documents, and cryptocurrency wallet information while bypassing Terminal-based mitigations in macOS.
Suspicious Child Processes from Communication Applications
3 rules 3 TTPsThe detection rule identifies suspicious child processes spawned from communication applications on Windows systems, potentially indicating masquerading or exploitation of vulnerabilities within these applications.
Windows TOR Client Execution Detection
2 rules 1 TTPDetects the execution of the TOR Browser and related components on Windows endpoints, indicating potential anonymization of traffic for command and control, data exfiltration, or policy evasion by adversaries or insider threats.
RMM Domain DNS Queries from Non-Browser Processes
2 rules 75 IOCsDetects DNS queries to commonly abused remote monitoring and management (RMM) or remote access software domains from non-browser processes, potentially indicating unauthorized remote access or command and control activity.
Masquerading Business Application Installers
2 rules 4 TTPsAttackers masquerade malicious executables as legitimate business application installers to trick users into downloading and executing malware, leveraging defense evasion and initial access techniques.