Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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Detects persistent outbound network connections to known SystemBC (Coroxy) C2 infrastructure and Tor gateway IP addresses. The rule identifies suspicious beaconing behavior characterized by repeated connections over ports 4001 or 4002, originating from processes in user-writable directories, and correlates these with process lineage from common office applications or browsers.
Detects behavior indicative of the InvisibleFerret information stealer, specifically focusing on Python execution spawned by development tools (VS Code/Node.js), unauthorized access to browser-based credential stores or local crypto wallets, and suspicious outbound network activity originating from Python processes spawned by development/automation tools.
Detects network connections to known blockchain and crypto-related domains (trongrid.io, aptoslabs.com) initiated by common programming and development tools (node, Code, python, python3). This pattern is often associated with the deployment of unauthorized cryptocurrency miners, blockchain interaction scripts, or malicious actors leveraging development environments.
This rule detects WebSocket communication attempts from a device to known command and control (C2) IP addresses associated with the Remcos Remote Access Trojan (RAT). It specifically looks for network events where the remote URL contains 'ws://', 'wss://', or 'websocket' and the remote IP address matches one of the listed indicators of compromise (IOCs).
Detects instances where common script interpreters (node.exe, python.exe, etc.) simultaneously access sensitive local credential files and establish outbound network connections to common web ports (80, 443, 8080, etc.), which is indicative of credential exfiltration behavior.
Detects cmd.exe invoking curl.exe to download payloads from raw.githubusercontent.com, a technique commonly used for retrieving multi-stage scripts. This behavior was observed in a campaign where curl fetched secondary batch payloads from GitHub repositories into the temp directory.
Detects successful network connections from hosts to specific remote IP ranges (associated with CN infrastructure) on known ports commonly used by ValleyRAT and Gh0st RAT.
Identifies the ScreenConnect Client Service initiating network traffic to the domain 'directdownload.icu', which has been associated with cryptojacking campaigns. This activity indicates potential compromise and resource hijacking.
Detects outbound network connections to remote URLs containing keywords associated with blockchain, cryptocurrency, or Web3 technologies. This behavior may indicate an adversary utilizing blockchain services or decentralised infrastructure for command and control (C2) communication, exfiltration, or proxying.
Detects outbound network traffic from endpoints to known malicious IP addresses associated with Loader-as-a-Service (LaaS) campaigns. The rule monitors DeviceNetworkEvents for connections to specific indicators of compromise (IOCs) and checks for URL patterns commonly associated with file staging and malware loading (e.g., /drop, /stage, /loader).
Detects endpoint connections directly to Kali365 PhaaS panel domains, which are associated with phishing-as-a-service operations. This rule identifies network activity to specific domains used by the Kali365 platform, indicating potential compromise or interaction with phishing infrastructure.
Detects unauthorized or anomalous modifications to local vector database files by non-standard processes.
Detects vLLM establishing outbound network connections to fetch external media files (e.g., .mov, .mp4, .jp2) from non-private IP addresses. This activity may indicate exploitation of CVE-2026-22778, allowing for remote code execution by fetching malicious content.
Detects network connections using the GRE (Generic Routing Encapsulation) protocol destined for non-internal (outside of RFC 1918) IP addresses. GRE is frequently used for tunneling traffic and, when used to communicate with external hosts, may indicate unauthorized tunneling or data exfiltration.
This rule monitors for Generic Routing Encapsulation (GRE) network traffic originating from or destined to non-private (non-RFC1918) IP addresses. GRE is often used for tunneling protocols and can be abused to bypass network security controls or establish hidden command and control communication channels.
This rule detects the exfiltration of sensitive developer tokens (specifically .npmrc or .pypirc files) to public paste sites like Pastebin or GitHub Gists. It correlates network events where a process attempts to connect to these sites with file access events on the specified token files by the same process.
Detects browser connections to the Bing Search by Image endpoint, which can be exploited as a Server-Side Request Forgery (SSRF) proxy to bypass Content Security Policies (CSP) and exfiltrate data, as seen in the SearchLeak attack. The rule specifically looks for connections to 'bing.com/images/searchbyimage' that also include the 'imgurl=' or 'imgurl%3d' parameter, indicating an attempt to use the server-side fetch functionality.
Correlates the completion of the OpenClaw theft routine with a network connection to Discord Webhooks to notify the threat actor. Specifically, it looks for network connections to discord.com/api/webhooks initiated by 'python.exe'.
This rule monitors web browser processes (msedge.exe, chrome.exe) for two distinct behaviors: performing network connections to known command and control (C2) or exfiltration domains, and accessing sensitive browser files such as cookies, login data, or web data files.
This rule detects DNS requests initiated by the Microsoft Edge browser (msedge.exe) to a specific list of domains identified as potentially malicious or associated with unauthorized activity. It monitors and aggregates these requests to provide visibility into potential command and control or unauthorized communication attempts.
Detects the use of PowerShell to invoke or interact with 'cloudflared', a tool used to create secure tunnels to Cloudflare. This behavior is often associated with the deployment of malicious infrastructure or remote access tunnels for command and control purposes.
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