Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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Detects Gitea act_runner processes spawning Docker containers with dangerous configurations, such as privileged mode, host namespace mounts, or security-opt bypasses, followed by the execution of 'nsenter' or shell processes, which are indicative of a container escape attempt to the host.
Detects suspicious execution patterns originating from Gitea act_runner that indicate potential container escape attempts or host namespace manipulation. The rule flags the use of sensitive docker flags such as --pid=host, --ipc=host, --cap-add=ALL, and security profile unconfining, alongside the execution of 'nsenter' or the existence of specific proof-of-concept markers related to container escape vulnerabilities.
Detects potential UAC bypass or COM hijacking activities by monitoring for anomalous process spawning patterns from Windows auto-elevating binaries (e.g., eventvwr.exe, fodhelper.exe, sdclt.exe) or suspicious child processes spawned by DllHost.exe from user-writable directories.
Detects exploitation of CVE-2026-20245 on Cisco Catalyst SD-WAN Manager, where a malicious CSV file is uploaded via the tenant-list workflow to trigger a script that injects a root-privileged account into system files.
Detects Active Directory Certificate Services (ADCS) certificate enrollment requests where the requester attempts to enroll a certificate with a Subject Alternative Name (SAN) identifying a different principal than the requester's own account. This pattern is indicative of the ESC1 ADCS misconfiguration abuse, which can lead to privilege escalation by impersonating other domain entities.
Detects the initialization of unprivileged user and network namespaces combined with specific IPsec tunnel configurations (xfrm/esp/veth). This sequence of operations is a known prerequisite for exploiting the DirtyClone (CVE-2026-43503) vulnerability, a Local Privilege Escalation (LPE) in the Linux kernel.
EXPERIMENTAL: This rule detects RoguePlanet indicators when the Microsoft Defender Antimalware Service Executable (MsMpEng.exe) creates or modifies an executable (.exe, .dll, .sys) file within the System32 or SysWOW64 directories. This behavior can indicate a potential local privilege escalation (LPE) or other malicious activity, especially if Defender is being abused for remediation in a SYSTEM context. The rule specifically highlights 'wermgr.exe' as a high-interest target, but is generalized to catch any PE file.
Detects the execution of 'unshare' with flags (such as --user/--net or CLONE_NEWUSER/CLONE_NEWNET) by unprivileged users. This behavior is indicative of attempts to gain CAP_NET_ADMIN capabilities within a new namespace, a necessary precursor to exploiting the pedit COW (CVE-2026-46331) vulnerability for privilege escalation.
Detects potential UAC bypass attempts using COM surrogate (dllhost.exe) or MMC (mmc.exe) to spawn child processes from suspicious or user-writable locations like AppData or Temp. It also monitors for specific command-line artifacts associated with BeepRAT and other potentially malicious activity.
Detects anomalous activities associated with the SystemInformer (formerly Process Hacker) kernel driver service (phsvc), which is known to be leveraged for local privilege escalation (LPE). The rule identifies the execution of rundll32 with suspicious command line parameters, the spawning of SYSTEM-level child processes by the phsvc service context, and unauthorized access to the SiSvcApiPort named pipe, which is used for inter-process communication with the kernel driver.
Detects multiple suspicious activities associated with the AnyDesk remote access application, including the creation of specific named pipes, execution of processes with sensitive command-line arguments (e.g., comsvcs, impersonation privileges), non-standard DLL loads by the application, and the spawning of system-level processes. These behaviors are indicative of abuse of remote access software for post-exploitation activities or privilege escalation.
Detects indicators of 'Bring Your Own Vulnerable Driver' (BYOVD) attacks or suspicious kernel driver installations. The rule monitors for known vulnerable driver files being written to disk, unauthorized creation of .sys files in temporary directories, the installation of new kernel driver services via System Event ID 7045 (referencing temp paths or known malicious drivers), and the use of the sc.exe utility to create services with a kernel driver type.
Detects evidence of PPID spoofing associated with the StrikeShark/Cobalt Strike framework. The detection identifies suspicious child processes (e.g., cmd.exe, powershell.exe) originating from common system processes (e.g., explorer.exe, svchost.exe) while the actual ancestor is a malicious SystemSettings.exe binary located in non-standard AppData paths. It correlates these process events with account mismatches between the spoofed parent and child process, indicating CreateProcessWithTokenW usage for token impersonation.
Detects a sequence of events where a non-root user attempts to manipulate kernel components (specifically involving xfrm/esp modules via ip or modprobe) followed immediately by a sudo or su command, suggesting an attempt to load malicious kernel modules or exploit kernel vulnerabilities to escalate privileges.
This rule detects potential privilege escalation activity associated with the abuse of CTFMON related objects (named pipes, symlinks, junctions) which may be used in conjunction with high-privilege operations (like SeDebugPrivilege or SeImpersonatePrivilege) to elevate access to SYSTEM. It correlates access events for CTF objects by processes (other than the legitimate ctfmon.exe) with subsequent sensitive privilege assignments within a short time window.
Detects post-exploitation persistence activity following a DirtyClone (CVE-2026-43503) privilege escalation. The rule monitors for the creation of local user accounts via binaries like useradd and usermod, as well as unauthorized modifications to sensitive Linux configuration files such as /etc/sudoers or /etc/shadow, specifically when executed with root-level privileges.
Detects unauthorized shells (bash, sh, dash, zsh) spawned as root from common setuid binaries (su, sudo, newgrp) by an unprivileged user. This behavior is indicative of the CVE-2026-46331 'pedit COW' vulnerability, where a local attacker performs page cache poisoning on a setuid binary to execute arbitrary code as root without disk modification.
Detects signs of the VerdantBamboo threat actor's BRICKSTORM/PLENET campaign, specifically targeting Linux-based edge appliances like pfSense and Synology NAS. The rule monitors for sudo abuse by specific service accounts (e.g., egnyteservice, www-data) attempting to leverage NOPASSWD sudo privileges for the 'tee' utility to write malicious content into sensitive system files (e.g., /usr/sbin/, /etc/cron.d/, /etc/sudoers). Additionally, it identifies unauthorized sudo enumeration commands that may indicate early-stage reconnaissance or persistence efforts.
Detects potential privilege escalation activity including manual privilege discovery using 'whoami /priv', suspicious elevated processes spawned from non-elevated parents, and specific scheduled task execution patterns associated with Payouts King malware.
Detects accounts performing multiple sensitive operations, privilege assignments, or privileged service calls in a short timeframe, which may indicate account compromise, reconnaissance, or lateral movement.
This rule detects various User Account Control (UAC) bypass techniques (such as fodhelper.exe or eventvwr.exe hijacking), registry modifications involving 'ms-settings' classes, and the use of 'Start-Process -Verb RunAs' to request administrative privileges. It also flags potentially elevated installations of OpenSSH or Tailscale, which are commonly targeted by attackers following privilege escalation.
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