Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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Detects the creation or modification of files within the /tmp directory that follow a specific naming convention (t[number]_w.pipe) by an HAProxy process. This pattern is often associated with inter-process communication or potential post-exploitation activity where HAProxy is leveraged to handle named pipes for malicious command execution or data redirection.
Detects potential exploitation of PostgreSQL via logical decoding plugins, specifically targeting CVE-2026-6471. The rule monitors for the PostgreSQL server process spawning suspicious shell utilities or loading modules from locations outside of the expected PostgreSQL library or plugin directories, which is a common indicator of unauthorized code execution.
Detects potential exploitation of PostgreSQL via logical decoding plugins, specifically targeting CVE-2026-6471. The rule monitors for the PostgreSQL server process spawning suspicious shell utilities or loading modules from locations outside of the expected PostgreSQL library or plugin directories, which is a common indicator of unauthorized code execution.
This rule detects potentially malicious modifications to PostgreSQL configuration files or the creation of new library files (.so or .dll) by the PostgreSQL service process. It also flags when the PostgreSQL service process is initiated with command-line arguments referencing 'shared_preload_libraries', which can be abused to load arbitrary code or malicious extensions into the database engine.
This rule detects potentially malicious modifications to PostgreSQL configuration files or the creation of new library files (.so or .dll) by the PostgreSQL service process. It also flags when the PostgreSQL service process is initiated with command-line arguments referencing 'shared_preload_libraries', which can be abused to load arbitrary code or malicious extensions into the database engine.
This rule detects modifications to the PostgreSQL authentication configuration file (pg_hba.conf), which controls client authentication. It also identifies replication connection requests from source IP addresses that have not been observed in the previous 7 days, indicating a potential attempt to exfiltrate database data via unauthorized replication.
Detects when the Postgres service process or account attempts to modify system-level persistence mechanisms, such as scheduled tasks (cron/schtasks) or system services (systemd/startup folders), which are typical behaviors for an adversary using database service context to maintain persistence.
Detects when the Postgres service process or account attempts to modify system-level persistence mechanisms, such as scheduled tasks (cron/schtasks) or system services (systemd/startup folders), which are typical behaviors for an adversary using database service context to maintain persistence.
Detects when the Postgres service process or account attempts to modify system-level persistence mechanisms, such as scheduled tasks (cron/schtasks) or system services (systemd/startup folders), which are typical behaviors for an adversary using database service context to maintain persistence.
Detects modifications to the PostgreSQL configuration file 'pg_hba.conf' closely followed by a reload command (via pg_ctl or postgres processes). This behavior is indicative of an attacker attempting to modify authentication or connection access controls for a database.
Detects modifications to the PostgreSQL configuration file 'pg_hba.conf' closely followed by a reload command (via pg_ctl or postgres processes). This behavior is indicative of an attacker attempting to modify authentication or connection access controls for a database.
This rule detects suspicious activity involving common web browser credential files (Cookies, Login Data) being read, created, modified, or renamed by processes associated with iCloud synchronization paths on macOS. This behavior is indicative of potentially malicious processes attempting to exfiltrate browser-stored session information or credentials.
Detects instances where 'TieringEngineService.exe' or 'MsMpEng.exe' (Windows Defender) create, modify, or rename executable, library, or system files within the 'C:\Windows\System32\' directory. This behavior is highly irregular as these processes should not be authoring binaries in protected system folders, and may indicate process masquerading, unauthorized persistence, or defense evasion.
Detects the 'ted' backdoor or similar malicious activity attempting to manipulate HAProxy's internal connection counters by accessing or writing to the HAProxy process memory (/proc/[pid]/mem or /proc/self/mem). This behavior is characteristic of an attempt to evade backend logging and statistics tracking by directly modifying process memory structures.
Detects attempts to tamper with Microsoft Windows Defender configuration, specifically by modifying exclusion paths via PowerShell cmdlets (Add-MpPreference, Set-MpPreference), direct registry modifications, or forced Group Policy updates. It also monitors for the disabling of Tamper Protection via registry and the creation of scheduled tasks designed to apply Defender exclusions.
Detects evidence of persistence mechanisms associated with the StyleSmuggler implant. The rule monitors for malicious crontab entries and file system activity related to gvfsd-user, .gvfsd, and /tmp/.kw_ artifacts.
Detects the creation, modification, or renaming of files within directories associated with GVFS (GNOME Virtual File System) or files masquerading as GVFS components. Adversaries often use these paths and file names to stage or hide malicious tools and persistence mechanisms on Linux systems.
Detects potential anti-forensic activities performed by malware, specifically the use of 'attrib.exe' to hide files and 'cmd.exe' with 'del /f /q' to forcibly remove dropped payloads. These actions are common indicators of a cleanup phase in a malware lifecycle to hinder analysis.
Detects the creation or modification of specific dropper/loader files and service worker registration within WordPress directory structures (wp-content/plugins, wp-content/themes, wp-content/uploads). These files are often associated with the injection of malicious scripts (e.g., on-chain resolvers) to facilitate drive-by compromises by site visitors.
Detects the use of the Windows 'copy /b' command to join multiple files into a single executable, specifically targeting patterns where document files are merged with a binary named 'Windowsupdate.exe'. This technique is often used to reassemble malicious payloads by combining split components or masquerading malicious content within seemingly benign file operations in temporary user directories.
Detects the use of the 'xattr' command to remove the 'com.apple.quarantine' extended attribute from a file. This attribute is used by macOS Gatekeeper to identify files downloaded from the internet and trigger security warnings. Removing it is a common technique to bypass Gatekeeper and execute untrusted software without user notification.
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