Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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A General detection for files being created in the Windows startup directory. This could be an indicator of persistence.
Detects modification of autostart extensibility point (ASEP) in registry.
Detects unusual processes accessing desktop.ini, which can be leveraged to alter how Explorer displays a folder's content (i.e. renaming files) without changing them on disk.
Detects the creation or modification of .plist files in macOS Launch Agent and Launch Daemon directories. This activity can be indicative of persistence mechanisms being established by adversaries. The rule excludes modifications by common system installers to reduce false positives.
Detects the installation of the Velociraptor agent as a Windows service, a technique used by threat actors for persistence and command and control (C2).
Detects persistence and execution artifacts associated with the Latrodectus malware. This includes the creation of a misspelled registry run key ('sentinelssheduler') and the execution of a payload masquerading as SentinelOne from a non-standard AppData path.
Detects command line parameter very often used with coin miners
Detects the start, reload or restart of a service.
Detects a creation of systemd services which could be used by adversaries to execute malicious code.
Detect unix shell configuration modification. Adversaries may establish persistence through executing malicious commands triggered when a new shell is opened.
Detects usage of the `mknod` syscall to create special files (e.g., character or block devices).
Attackers or malware might use `mknod` to create fake devices, interact with kernel interfaces,
or establish covert channels in Linux systems.
Monitoring the use of `mknod` is important because this syscall is rarely used by legitimate applications,
and it can be abused to bypass file system restrictions or create backdoors.
Attackers or malware might use `mknod` to create fake devices, interact with kernel interfaces,
or establish covert channels in Linux systems.
Monitoring the use of `mknod` is important because this syscall is rarely used by legitimate applications,
and it can be abused to bypass file system restrictions or create backdoors.
This query hunts for .lnk (shortcut) files that are either newly created or have the hidden attribute set, located in common Windows startup folders. Attackers often place LNK files in these locations to establish persistence.
This rule detects the creation or modification of files within specific macOS directories associated with LoginWindow hooks and Authorization Plugins. These locations are commonly abused by adversaries to establish persistence or elevate privileges by injecting malicious code that executes during the login process. The rule specifically looks for file events in '/Library/Security/SecurityAgentPlugins/', '/System/Library/CoreServices/SecurityAgentPlugins/', '/Library/Security/SecurityAgentPlugins.bundle', or any file activity within a 'loginwindow' path. It excludes activities initiated by legitimate installers and software updaters to reduce false positives. Additionally, it filters for files with low global prevalence, indicating potentially suspicious or custom binaries.
Detects a process changing a memory region's permissions to be readable, writable, and executable (RWX). This is highly suspicious and is often associated with malware unpacking, process hollowing, or self-modifying code. The APT29 group has been observed using a backdoor (VMTOOLS.DLL) that employs self-modifying code to evade static analysis.
Detects potential execution of BQTLock ransomware by identifying characteristic command-line strings, credential staging files, and associated UAC bypass techniques.
Detects uncommon service installation commands by looking at suspicious or uncommon image path values containing references to encoded powershell commands, temporary paths, etc.
Detects when a user account is added to a local privileged group (sudo or wheel) on a Linux endpoint using the 'usermod' utility. This action grants the user administrative privileges and could be indicative of privilege escalation.
Detects potential DLL Search Order Hijacking activity where a DLL is created in a legitimate software directory, followed by a process execution from that same directory. This pattern is consistent with UNC1549's technique of dropping malicious DLLs to be loaded by trusted applications.
Detects the Visual Basic Compiler (vbc.exe) initiating DNS queries. This is highly anomalous behavior, as vbc.exe is a compiler and should not be making network connections. This technique is used by malware like Lokibot for defense evasion after process injection.
capture the activity surrounding the execution of command line arguments that add a user to default privileged Windows Security Groups.
Detects the creation of a Launch Agent .plist file used by the DigitStealer malware. This Launch Agent dynamically retrieves its payload from a DNS TXT record, a technique used for resilient persistence.
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