Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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Detects unauthorized file write operations performed by ScreenConnect client or service processes into client/transfer directories. This activity is indicative of exploitation attempts, specifically CVE-2026-84869, which allows for unauthorized file transfers and potential remote code execution via active ScreenConnect sessions without user confirmation.
Detects anomalous MS_T120 channel binding and MCS handshake patterns characteristic of the BlueKeep (CVE-2019-0708) remote code execution vulnerability in Microsoft RDP services.
Detects the loading of the Alinubx.sys (aka CcProtect.sys) kernel driver, often dropped as nvfsflt64.sys or registered as NvFsFilter, followed by a rapid, simultaneous termination of security product processes. This activity is indicative of a BYOVD (Bring Your Own Vulnerable Driver) attack chain where kernel-mode primitives are used to terminate EDR/AV processes.
Detects the presence of the known vulnerable gdrv.sys driver on disk. This driver is frequently utilized in Bring Your Own Vulnerable Driver (BYOVD) attacks to gain kernel-mode access, which is often leveraged to disable endpoint security products or escalate privileges.
This rule detects the loading of specific drivers identified as potentially associated with security software evasion or 'Bring Your Own Vulnerable Driver' (BYOVD) tactics, followed by suspicious process termination activity (e.g., termination of security-related processes or system-critical process activity) within a 15-minute window on the same device.
This rule detects the loading of specific drivers identified as potentially associated with security software evasion or 'Bring Your Own Vulnerable Driver' (BYOVD) tactics, followed by suspicious process termination activity (e.g., termination of security-related processes or system-critical process activity) within a 15-minute window on the same device.
Detects anomalous behavior within a Chrome renderer process involving the acquisition of SeDebugPrivilege, preceded by ALPC, WNF, or reflective DLL loading activities. This pattern is indicative of the BlueMoon (CVE-2026-85880) kernel privilege escalation exploit chain, where a compromised low-integrity renderer leverages kernel vulnerabilities to gain elevated privileges.
Detects embedded CVE-2026-46300 (Fragnesia) Linux privilege escalation exploit code used by KATARU IoT malware, copied unmodified from public PoC
Detects the loading of the 'gdrv.sys' driver, which is a known vulnerable driver often used in 'Bring Your Own Vulnerable Driver' (BYOVD) attacks to facilitate privilege escalation to kernel mode.
This rule detects the presence, installation, or execution attempts of the known vulnerable GIGABYTE driver (gdrv.sys). Monitoring for this specific driver is a common practice to identify attempts to perform 'Bring Your Own Vulnerable Driver' (BYOVD) attacks, which can be used for kernel-mode code execution and privilege escalation.
This rule detects the presence, installation, or execution attempts of the known vulnerable GIGABYTE driver (gdrv.sys). Monitoring for this specific driver is a common practice to identify attempts to perform 'Bring Your Own Vulnerable Driver' (BYOVD) attacks, which can be used for kernel-mode code execution and privilege escalation.
This rule detects potential privilege escalation to root originating from Acronis backup plugin processes on hosting platforms like cPanel, WHM, and Plesk. It flags cases where a non-root Acronis process spawns a child process with root effective UID or when the process UID itself changes to zero, potentially exploiting vulnerabilities such as CVE-2026-87886. The rule also correlates this behavior with suspicious file permission changes (chmod/chown) on Acronis plugin directories.
Detects the execution of PrintSpoofer or its derivatives, often used to perform privilege escalation on Windows systems by abusing the Print Spooler service. The rule also covers the download of the tool via PowerShell.
Detects the 'prl_disp_service' process spawning 'tar' with the '--use-compress-program' flag set to an unconventional binary. This behavior is associated with the exploitation of ParaShells (CVE-2026-90894), where an attacker leverages the compression program hook in 'tar' to execute arbitrary commands with root privileges.
Detects the creation of specific Object Manager namespace directories and objects used by the ShieldCrash proof-of-concept (CVE-2026-69414) to hijack the Microsoft Defender scan process.
Detects rapid deletion and creation cycles of the WD_SCAN object manager link, a behavioral pattern associated with a Time-of-Check-to-Time-of-Use (TOCTOU) exploit chain targeting Windows Defender (referenced as CVE-2026-69414). The rule monitors for at least three cycle events occurring within a 5-second window, specifically involving the 'WD_SCAN' object identifier.
Detects anomalous MS_T120 channel binding and MCS handshake patterns characteristic of the BlueKeep (CVE-2019-0708) remote code execution vulnerability in Microsoft RDP services.
Detects the loading and service creation of the CcProtect/Alinubx kernel driver, a known technique for Bring Your Own Vulnerable Driver (BYOVD) attacks. The rule identifies suspicious characteristics such as file name mismatches, unauthorized product/company signatures, and the creation of services associated with this malicious driver family (e.g., NvFsFilter) to facilitate EDR/AV termination or privilege escalation.
Detects the loading or presence of the Alinubx.sys kernel driver, a malicious component used for Bring Your Own Vulnerable Driver (BYOVD) attacks. This driver facilitates the mass termination of security product processes (AV/EDR) by exposing a specific IOCTL (0x222024) to interface with kernel-mode process termination primitives (e.g., ZwTerminateProcess), often serving as a precursor to the deployment of stealers like Rapuncel.
This rule detects scenarios where a web server process or control panel utility (such as cPanel or Plesk) appears to initiate a shell process (sh, bash, dash) as the root user. This behavior is highly indicative of a compromise where an attacker has achieved command execution in an elevated context following an exploit against a web application or control panel interface.
Detects potential exploitation of CVE-2026-87886 in the Acronis Backup plugin for cPanel & WHM, where an adversary uses insecure file permissions to elevate privileges. The rule monitors for execution of file permission or ownership changing utilities (chmod, chown) targeting files associated with backup plugins.
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