Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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This rule monitors for unauthorized access to the Google Chrome 'Login Data' database file by processes other than standard browser executables. It also detects the creation of known file artifacts associated with credential-stealing malware or RATs (e.g., 'chrome_logins_dump.txt' or 'gather.tar.gz'), which are indicative of credential harvesting activities.
This rule detects potentially malicious data exfiltration activity. It identifies sequences of events where a process performs file enumeration (directory listing), followed by the creation of a ZIP or RAR archive in temporary or local application data directories with randomized filenames. Finally, it correlates this behavior with subsequent outbound network connections from the same process to known cloud storage and file-sharing providers, flagging anomalous archive creation rates.
Detects the creation of .ics calendar invitation files in common user download and temporary directories when originated by web browsers or Microsoft Outlook. This pattern is often indicative of spearphishing campaigns where attackers use weaponized calendar files to deliver malicious payloads or links, attempting to exploit users through social engineering.
This rule detects potentially malicious activity associated with Java applications or the Lunar Client, specifically targeting the creation of shortcut files (.lnk, .command, .desktop) by Java processes, and the unexpected spawning of shells or interpreters by 'javaw.exe' or Lunar Client processes. These patterns are consistent with modpack-based Remote Code Execution (RCE) attempts or abuse of Electron IPC mechanisms.
Detects the creation of 'delete.me' files in sensitive Windows and SYSVOL directories. This behavior is a known artifact of the SoftPerfect Network Scanner, used during network enumeration to test for share writability.
Detects the creation or execution of files named 'RuntimeBroker.exe', 'Telemetry.exe', or 'WindowsRunetimeBroker.exe' within the AppData folders. These filenames are commonly abused by adversaries to masquerade as legitimate system processes to evade detection.
Detects the creation or execution of files named 'RuntimeBroker.exe', 'Telemetry.exe', or 'WindowsRunetimeBroker.exe' within the AppData folders. These filenames are commonly abused by adversaries to masquerade as legitimate system processes to evade detection.
Detects the creation of multiple sequential screenshot files (JPG or BMP) within the C:\Users\Public\Videos directory. This activity is consistent with the SIGHTGRAB tool utilized by UNC1549 for visual intelligence collection.
Detects indicators of compromise associated with CVE-2026-45115 in OpenVPN Connect, including suspicious child processes spawned by OpenVPN, the creation of known PoC marker files, and the execution of commands containing exploitation strings related to echo script injection.
This rule detects anomalous activities associated with RustDesk, such as spawning suspicious child processes, dropping files related to known session permission bypass proof-of-concepts, communicating with non-standard relay servers, or performing file write operations in sensitive system temporary directories, which indicates potential session hijacking or unauthorized remote access.
This rule detects potential data staging activities by monitoring for specific file paths and filenames associated with unauthorized collection of sensitive data (such as VPN configs, password databases, and office documents). It triggers when processes not typically associated with these file types access or interact with sensitive directories and file extensions.
Detects the creation of specific file paths or ZIP archives in the user profile indicative of the GIFTEDCROOK information stealer staging collected data for exfiltration.
Supply chain worm targeting npm packages and GitHub Actions, linked to Shai-Hulud/Hades lineage
USB worm and loader leveraging living-off-the-land binaries
Campaign converting compromised FortiGate firewalls into credential stealers
Phishing-as-a-Service kit abusing OAuth device code flow against Microsoft 365
Form-grabbing and credential stealing malware-as-a-service
Detects the remote execution of credential dumping activities via the lsassy tool. The rule identifies rundll32.exe being used to load comsvcs.dll for the purpose of creating a full MiniDump of the LSASS process memory. It specifically monitors for these actions occurring within common remote administrative execution contexts, such as SMB services, WMI, scheduled tasks, and DCOM, with output files staged in the Windows\Temp directory.
This rule detects the creation of directories or files within the '\Temp\' directory that match a specific naming pattern ('RP_' followed by an alphanumeric string). This pattern is often associated with the creation of temporary artifacts by scripts, installers, or malicious payloads.
Detects the creation of files in the Windows temporary folder (C:\Windows\Temp) matching the naming convention 'TMP' followed by 16 alphanumeric characters. This pattern is commonly used by malicious payloads, scripts, or malware installers to stage temporary files. The rule excludes common trusted Windows system and security processes.
Detects anomalous, high-volume file creation patterns in temp directories characterized by UUID-style filenames from non-system processes. This behavior is indicative of a multi-threaded I/O saturation technique used by the RoguePlanet exploit to create a race condition (TOCTOU) against Microsoft Defender (MsMpEng.exe).
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