Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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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 unauthorized modification of the registry path 'HKCU\Software\Classes\ms-settings\Shell\Open\command'. This registry key is commonly hijacked by the 'fodhelper.exe' UAC bypass technique, where an attacker writes a malicious command to be executed with elevated privileges when the OS triggers the ms-settings protocol handler.
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 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 processes associated with Acronis backup software executed by a user other than 'root', while the effective user context of the process is 'root'. This behavior often indicates an attempt to exploit setuid binaries or misconfigured permissions to execute commands with elevated privileges.
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.
Detects a suspicious scenario where a non-root process associated with Acronis backup plugins (typically used on cPanel, WHM, or Plesk servers) spawns a child process that executes with root privileges. This behavior is indicative of potential privilege escalation exploiting CVE-2026-87886.
This rule detects potentially unauthorized root account activity by monitoring for 'root' logon events and privileged process execution (such as 'su' or 'sudo'). It flags sessions or commands that occur outside of defined business hours, originate from unapproved IP addresses, use unapproved accounts, or are executed via suspicious parent processes, providing a high-confidence indicator of anomalous administrative behavior.
Detects a process re-launching itself with a specific command-line argument format (a single 's' character followed by a numeric session ID). This behavior is characteristic of the SparroWocky malware, which enumerates user sessions and spawns a new backdoor instance under a different session using CreateProcessAsUserW after duplicating the target session's token.
Detects instances where a process is created with a session ID that differs from its parent process, which is indicative of token manipulation or impersonation techniques like those observed in SparroWocky. The rule looks for cross-session process creation using the CreateProcessAsUserW API or specific command-line argument patterns.
Detects embedded CVE-2026-46300 (Fragnesia) Linux privilege escalation exploit code used by KATARU IoT malware, copied unmodified from public PoC
Detects the execution of the 'su' binary preceded by command-line strings that are highly indicative of known Linux privilege escalation exploits, specifically those targeting vulnerabilities like PwnKit (CVE-2021-4034). The rule monitors for common exploit payloads or status messages (e.g., 'prctl PR_SET_DUMPABLE', 'fork userns mapper') associated with successful exploitation attempts that manipulate environment variables or process attributes to elevate privileges to root, while filtering out legitimate container-related processes.
Detects KATARU IoT malware embedded exploit code for CVE-2026-31431 (Copy Fail) Linux privilege escalation, identified by shared exploit-chain strings and syscall sequences used to spawn su as root
Detects anomalous process execution where a non-privileged process spawns a child process with root/SYSTEM (uid 0) privileges without passing through recognized elevation binaries (e.g., sudo, su, pkexec). This behavior is consistent with post-exploitation privilege escalation techniques, such as exploiting hijacked file descriptors or callback structures to gain root authority.
Detects anomalous process execution where a non-privileged process spawns a child process with root/SYSTEM (uid 0) privileges without passing through recognized elevation binaries (e.g., sudo, su, pkexec). This behavior is consistent with post-exploitation privilege escalation techniques, such as exploiting hijacked file descriptors or callback structures to gain root authority.
Detects anomalous process execution where a non-privileged process spawns a child process with root/SYSTEM (uid 0) privileges without passing through recognized elevation binaries (e.g., sudo, su, pkexec). This behavior is consistent with post-exploitation privilege escalation techniques, such as exploiting hijacked file descriptors or callback structures to gain root authority.
Detects unauthorized modifications, creations, or renames of Pluggable Authentication Module (PAM) configuration files or core shared libraries (such as pam_rootok.so or pam_permit.so) by non-root users. Attackers often modify these files to bypass authentication mechanisms and achieve privilege escalation. The rule excludes common package management tools to minimize false positives.
This rule detects kernel crash signatures (e.g., use-after-free, kernel panic) in the pppoe module, correlated with preceding anomalous activity related to PPPoEject or PPPoE socket manipulation. It identifies potential exploitation of CVE-2026-68121 on non-gateway devices.
This rule detects kernel crash signatures (e.g., use-after-free, kernel panic) in the pppoe module, correlated with preceding anomalous activity related to PPPoEject or PPPoE socket manipulation. It identifies potential exploitation of CVE-2026-68121 on non-gateway devices.
This rule detects kernel crash signatures (e.g., use-after-free, kernel panic) in the pppoe module, correlated with preceding anomalous activity related to PPPoEject or PPPoE socket manipulation. It identifies potential exploitation of CVE-2026-68121 on non-gateway devices.
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