Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
696 detections
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Detects network traffic (DNS, TLS/HTTPS) communicating with the secondary hosting domain 'fileget.loseyourip.com' specifically attempting to retrieve potential payloads mimicking legitimate software (e.g., OBS Studio installer).
Detects the creation of files ending with '.sig', '.asc', or '.cer'. These extensions are commonly associated with digital signatures, PGP/GPG keys, and certificates, which could indicate activities like code signing, certificate generation/import, or PGP/GPG key manipulation by an adversary.
Detects potential exploitation of CVE-2026-20127 on SD-WAN controllers, specifically unauthorized SSH authentication to the vmanage-admin account followed by suspicious NETCONF activity, usage of unauthorized tenant list CSV files, or execution of suspicious tenant-upload scripts.
Detects network activity and command line execution associated with known malicious browser extensions, specifically targeting AdBlock for Youtube-related extensions and associated command-and-control infrastructure.
This rule monitors for security alerts related to Azure AI services, specifically detecting credential theft attempts and LLM jailbreak attempts that have been blocked or detected by Azure's built-in content filtering mechanisms.
Detects the execution of consent.exe from a specific Bumblebee loader installation path (ApplicationInstallationFolder_11) within the user's temporary directory. This activity is indicative of the Bumblebee loader, which utilizes DLL side-loading of a malicious msimg32.dll and incorporates locale-based checks to evade execution in certain regions.
Detects network connections to a specific suspicious IP address (94.156.181.89) or to domains associated with Cloudflare Tunnel (.trycloudflare.com). This could indicate command and control activity, data exfiltration, or other malicious network communication.
This rule detects activity associated with known Android Remote Access Trojans (RATs) such as BTMOB, CraxsRAT, CypherRAT, and SpySolr on SentinelOne-managed Android devices. It flags suspicious file creations (sideloaded APKs in user storage), specific malicious process names, SentinelOne threat indicators, and abuse of accessibility services for unauthorized remote control, keylogging, or screen overlay activities.
This rule detects potential Mythic C2 implant or payload build activity occurring via Docker. It monitors for executions of docker.exe, docker-compose.exe, or docker commands initiated by shells (cmd.exe, powershell.exe) containing keywords associated with the Mythic C2 framework, while explicitly excluding common CI/CD runner parent processes to reduce noise.
This rule monitors the creation of new Azure Function Apps and identifies those that receive external, non-private network requests within 48 hours of their creation. This pattern may indicate the deployment of malicious or unauthorized serverless infrastructure for command-and-control, proxying, or automated tasks.
This rule monitors network logs for potential malicious activity by analyzing subdomain cardinality and identifying known phishing domains. It flags apex domains that exhibit high subdomain rotation (5 or more distinct subdomains within an hour), indicative of fast-flux DNS techniques, or that match a static list of known malicious/phishing infrastructure.
Detects an Antivirus alert in a highly relevant file path or with a relevant file name.
This event must not be ignored just because the AV has blocked the malware but investigate, how it came there in the first place.
This event must not be ignored just because the AV has blocked the malware but investigate, how it came there in the first place.
Detects the creation of the "accepteula" key related to the Sysinternals tools being created from executables with the wrong name (e.g. a renamed Sysinternals tool)
Detects execution of the Velociraptor binary (velociraptor.exe) running with SYSTEM privileges while not being launched by the expected services.exe process. This often indicates potential unauthorized use or manual deployment of the tool, bypassing standard management procedures.
Malvertising loader delivering CastleStealer via malicious Google Ads
Malvertising loader delivering CastleStealer via malicious Google Ads
ClickFix style social engineering cluster delivering Mistic and ModeloRAT
Detects the creation of processes where the command line contains keywords such as 'cve' or 'vulnerability'. This could indicate attempts to exploit known vulnerabilities, perform vulnerability research, or execute tools related to vulnerability assessment.
Detects endpoint devices navigating through a sequence of two or more distinct cloud-native redirector platforms (specifically Azure Websites, Cloudflare Pages, and AWS S3 buckets) within a 5-minute window, followed by a connection to a non-cloud final destination. This behavior is highly characteristic of adversaries utilizing Traffic Direction Systems (TDS) or Bulletproof Redirect Engines to obfuscate malicious payloads and evade network security controls.
This rule detects potentially malicious behavior associated with the DragonReturn malware, including the loading of a specific DLL (nvdaHelperRemote.dll) by system processes or Mixed Reality tools, the execution of suspicious binary names, and network connectivity indicators related to C2 domains.
Detects access to code signing certificate vendors for capability development
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