Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
20,483 detections
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Detects artifacts and behavioral patterns associated with the exploitation of the SystemInformer PhSvc (Process Hacker Service) ALPC channel to escalate privileges. The rule monitors for unauthorized rundll32.exe process activity spawning cmd.exe with specific command line arguments, the creation of PoC-related files, and the loading of unsigned modules into the rundll32.exe process.
Detects cron-based watchdog persistence installed by lambsys.elf as part of the CVE-2026-33017 Langflow cryptominer campaign. The malware writes a per-user crontab via crontab stdin firing every 5 minutes, checking for lambsys via pgrep and re-downloading from C2 if absent, logging to /var/tmp/check_process.log.
Detects indicators of potential exploitation of CVE-2026-46331 in RustDesk, which involves a session permission bypass. The rule identifies suspicious post-exploitation behavior, specifically when rustdesk.exe spawns common command-line or reconnaissance utilities, and when it initiates outbound network connections on non-standard relay ports.
Detects unauthorized persistence mechanisms on Cisco SD-WAN management plane nodes (vManage, vSmart, vBond). The rule monitors for modifications to SSH authorized_keys files, execution of commands like ssh-keygen or user management utilities, and SSH authentication events or configuration changes (e.g., PermitRootLogin) indicative of backdoored access.
This rule detects the execution of 'REAGENTC.EXE' with the '/disable' argument and 'WBADMIN.EXE' with 'delete catalog -quiet' within a 10-minute window on the same device. This combination of commands is indicative of an adversary attempting to inhibit system recovery by disabling Windows Recovery Environment and deleting the Windows Backup Catalog, often seen in ransomware attacks.
A detection triggered on endpoint events where common system binaries (e.g., mshta.exe, powershell.exe, cmd.exe) were launched by user-facing parent processes (explorer.exe, chrome.exe, msedge.exe, firefox.exe, iexplore.exe) and executed suspicious command-lines. The pattern matches the evolving technique used in ClickFix-style campaigns whereby malicious pages dynamically place payloads into the clipboard and prompt users to paste or execute them.
Detects the execution of 'conhost.exe' with the '--headless' argument, specifically when initiated by 'pcalua.exe'. This combination has been observed in attacks by the GOLD BLADE threat group for indirect command execution.
This rule detects suspicious activity related to accessing or dumping the NTDS.dit file, which contains Active Directory credential information. It looks for process creation events involving tools commonly used for NTDS.dit extraction (e.g., ntdsutil, secretsdump), file access events on NTDS.dit paths, and privilege use (SeBackupPrivilege, SeRestorePrivilege, SeDebugPrivilege) often associated with credential dumping.
Detects when fodhelper.exe, a legitimate Windows utility, is used to spawn processes other than cmd.exe or conhost.exe. This behavior is commonly associated with UAC bypass techniques where fodhelper.exe is abused to execute arbitrary commands with elevated privileges without a UAC prompt.
This rule detects activities indicative of a Docker container escape, specifically targeting the 'docker cp' path traversal vulnerability. It monitors for suspicious command-line patterns involving path traversal sequences ('../'), execution of shells or common utilities from container-related processes (dockerd, containerd, etc.), and the presence of known proof-of-concept artifacts or files written outside the expected container boundary.
Detects the use of npm to install known malicious npm packages, which is indicative of a supply chain compromise attempt via typosquatting or malicious dependency injection.
Detects potentially malicious container escape or privilege escalation attempts initiated by Gitea act runner processes. This includes the spawning of 'nsenter', the use of dangerous Docker flags that provide host-level access (such as host PID/IPC namespaces, all capabilities, or disabled security mechanisms), and the spawning of shells inside containers configured with namespace-entering commands.
This rule detects instances where the Ghidra reverse engineering suite (or associated Java processes running Ghidra components) initiates suspicious child processes. This behavior is considered anomalous as standard reverse engineering activities in Ghidra should not require the execution of system administrative tools, interpreters, or networking utilities, which may indicate an attacker using a compromised development environment to launch secondary payloads or tools.
This rule detects potentially malicious activity associated with the RustDesk remote access tool. It monitors for two conditions: 1) RustDesk spawning suspicious child processes (e.g., shells, scripting engines, or network tools) that indicate post-exploitation behavior. 2) The RustDesk binary being executed from an unusual parent process, which may indicate session hijacking or unauthorized installation.
Detects unauthorized SSH-based lateral movement originating from a compromised Cisco SD-WAN vManage controller to vSmart or vBond components. The rule monitors for SSH sessions initiated by administrative users (admin, vmanage-admin) and subsequent unauthorized file permission modifications (chmod/chown) on sensitive system files and directories, such as SSH authorized_keys and system configuration files, which are indicative of post-exploitation activities.
Detects execution of rclone or the creation of an rclone configuration file (rclone.conf) occurring on a host within 24 hours of QEMU virtualization activity. This combination may indicate an adversary using virtualization software for staging or research, followed by data exfiltration via rclone to a remote cloud destination.
Detects post-exploitation activities on Cisco SD-WAN Manager (vManage) systems. The rule identifies suspicious command execution patterns including shell spawning via SSH, use of administrative/backdoor accounts (troot), privilege escalation attempts using su, enumeration commands commonly used by attackers, unauthorized modification of sensitive system files (/etc/passwd, /etc/shadow), the use of specific malicious tenant-upload CLI operations, and outbound reverse-shell connections.
Detects execution of potentially malicious processes masquerading as 'pythonw.exe' or 'userscreen.exe', specifically when they exhibit behavior associated with the APT37 NarwhalRAT. The rule identifies processes loading critical system DLLs (kernel32.dll, ntdll.dll) while simultaneously initiating network connections to known C2 infrastructure within a 10-minute window.
Detects the Windows UAC consent.exe process loading msimg32.dll from a non-standard, potentially user-writable location, a technique associated with BumbleBee malware campaigns for DLL sideloading. The rule further inspects the parent process context to ensure consent.exe was launched by an expected parent (svchost.exe) and validates the DLL's signature.
Detects the execution of the AdaptixC2 agent (AdgNsy.exe) from AppData\Local directories and its subsequent internal network scanning activity against sensitive ports (445, 3389, 5985). The rule also monitors for potential dropper patterns associated with the Bumblebee loader, specifically involving processes like consent.exe or msiexec.exe dropping the binary.
Detects the unauthorized use of 'wbadmin.exe' to initiate a backup of Active Directory components (like 'ntds.dit' or the SYSTEM registry hive) when executed from common command-line interpreters (cmd.exe, powershell.exe). The rule correlates this backup activity with subsequent direct file access to sensitive AD database or registry files by processes other than standard system services (e.g., ntds.exe, lsass.exe), often indicative of credential dumping or exfiltration.
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