Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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This rule detects suspicious activities originating from Python processes spawned by development tools like VS Code, Node.js, or npm. It flags potential credential access when such processes attempt to read sensitive files (e.g., browser profiles, SSH keys, cloud configuration files) or perform suspicious network communication to external, non-standard ports, which may indicate data exfiltration or command-and-control behavior.
Detects instances where a process, other than known benign applications, writes a screen capture image file (BMP, JPG, JPEG, or PNG) to a temporary directory, followed by a network connection to an external IP address within two minutes by the same process.
Detects instances where node.js or npm processes access multiple sensitive configuration or credential files (such as .aws/credentials, .npmrc, .pypirc, .gitconfig, or docker configs) and subsequently perform DNS queries against known malicious or suspicious C2 domains.
Hunting rule loosely modeled after Atomic Red Team T1048.002 test "Exfiltrate data in a file over HTTPS using wget". No public in-the-wild intel reference available; correlate before alerting.
Detects execution and network activity associated with the NUKESPED (ThreatNeedle) backdoor component identified as 'zlrenu8.exe'. The rule monitors for outbound network connections to Fastly CDN infrastructure, which is frequently used by this actor for command-and-control or data exfiltration, as well as file operations within the 'ProgramData' directory indicative of staging activity.
Detects the use of the rclone tool with data transfer commands (copy, move, sync, copyto, moveto) originating from a GoAnywhere server process or common interactive shell processes (cmd.exe, powershell.exe). This activity is highly suspicious and could indicate data exfiltration.
Detects anomalous bulk GET requests directed at Cisco SD-WAN (vManage) REST API endpoints, specifically targeting topology information, device lists, and configuration templates. This pattern of activity is indicative of reconnaissance or exfiltration attempts against the SD-WAN fabric management interface.
Detects outbound FTP STOR (Store) commands directed to external networks. This indicates that a host inside the local network is attempting to upload data to an external server. The rule uses a threshold to filter out isolated commands, triggering when 3 or more STOR commands are detected within 120 seconds, which is characteristic of data exfiltration or staging behavior.
This rule detects a sequence of behaviors indicative of credential theft followed by data staging and exfiltration. It identifies processes accessing sensitive browser credentials or KeePass database files, followed by the creation of a ZIP archive within user profile directories, and concludes with an outbound HTTPS connection to a non-trusted, non-Microsoft external destination by the same process.
Detects anomalous network activity originating from 'NearShareReceive.exe' (Windows Near Share) to public IP addresses on non-standard ports, potentially indicating unauthorized use of the Near Share feature for data staging or exfiltration.
This rule detects suspicious network connections originating from internal IP addresses to common service ports (DNS, SMB, RDP, WinRM) on remote, non-internal IP addresses. It flags instances where a single process on a device makes 10 or more such connections within an hour, which could indicate reconnaissance, lateral movement, or data exfiltration attempts.
This rule detects network connections or process command lines referencing 'easyupload.io' and 'limewire.com', as well as searches for 'eayupload'. These indicators are often associated with unauthorized file transfers or potentially malicious activity involving known file sharing platforms.
Detects HTTP requests to Microsoft 365 search endpoints containing unusually long query strings. Such patterns may indicate automated data extraction, exfiltration over alternative protocols, or unauthorized information harvesting via search parameters.
Hunting rule for tar archive creation of user home trees, common staging before scp/rsync exfiltration over SSH. Prioritize /tmp archives and remote copy in the same session.
Hunting rule loosely modeled after Atomic Red Team T1048.002 test "Exfiltrate data in a file over HTTPS using wget". No public in-the-wild intel reference available; correlate before alerting.
Detects DNS resolution and network connections to known infrastructure associated with the StegoAd campaign, including exfiltration (mitarchive.info) and C2 (liveupdt.com, dealctr.com, ipaglov.com) domains. The rule monitors activity from common browser and scripting engine processes.
This rule monitors for high frequency network connections (more than 50 requests) initiated from internal endpoints to external (non-RFC1918) IP addresses over port 443. This pattern may indicate beaconing activity, command and control (C2) communication, or significant data exfiltration to an external host.
Detects incoming network connections to Windows 'Nearby Share' process components from external (non-RFC1918) IP addresses. This activity is potentially malicious as legitimate 'Nearby Share' traffic should typically occur within local networks.
Detects incoming network connections to Windows 'Nearby Share' process components from external (non-RFC1918) IP addresses. This activity is potentially malicious as legitimate 'Nearby Share' traffic should typically occur within local networks.
This rule detects outbound FTP traffic containing the 'STOR' command, which is used in the FTP protocol to upload files to a remote server. This behavior is a common indicator of unauthorized data exfiltration.
This rule monitors for FTP 'STOR' commands followed by large data transfers (exceeding 64KB) initiated from internal hosts to external destinations. This pattern is often indicative of data exfiltration using the File Transfer Protocol (FTP).
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