Duo Tech
@duotechTrusted contributor
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2,481 detections
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Detects DNS queries for domains associated with the Tykit phishing kit infrastructure. These domains are used for hosting phishing pages and for C2 exfiltration.
Detects the deployment or activity of the TOLLBOOTH IIS module. This is achieved by identifying the creation of its specific DLLs by the IIS worker process (w3wp.exe), or by detecting outbound C2 communication from the IIS worker process to known TOLLBOOTH infrastructure.
Detects the creation or modification of registry values used by the HIDDENDRIVER rootkit to configure its hiding and protection capabilities. This rootkit, a modified version of the open-source "Hidden" project, uses these registry entries to define which files, processes, and registry keys to conceal. This activity is associated with the REF3927 threat actor and the TOLLBOOTH malware campaign.
These domains are actively used in phishing campaigns impersonating legitimate software platforms like Homebrew, LogMeIn, and TradingView to distribute Odyssey Stealer and AMOS malware. Blocking these domains can prevent access to malicious download sites.
Detects the Node Package Manager (npm) or npx spawning child processes commonly used to download remote files. This behavior is often seen in malicious npm packages that use post-install scripts to fetch and execute second-stage payloads, as seen with the AdaptixC2 framework delivery.
Detects known malicious file hashes associated with malware families (VIDAR, LUMMAC.V2, RADTHIEF, ATOMIC) distributed by the threat actor UNC5142.
Detects PowerShell scripts that contain decryption routines and in-memory execution commands, a technique used by UNC5142 to run final payloads while evading disk-based detection.
Detects the modification of common WordPress PHP files to include content characteristic of the UNC5142 CLEARSHORT infection chain. This activity is indicative of a compromised web server. This rule requires a File Integrity Monitoring (FIM) solution or EDR that can inspect the contents of modified files.
Detects PowerShell execution with a command line indicative of a download cradle, initiated from the user's shell (explorer.exe). This behavior is characteristic of the "ClickFix" social engineering technique where a user is tricked into copying and running a malicious command from a webpage.
Detects network connections from web browsers to domains associated with the UNC5142 EtherHiding technique, including a specific blockchain node and malicious Cloudflare Pages domains.
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