Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
20,501 detections
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IDS Classtypes
1
Detects execution of the macOS 'dscl' utility using the '-authonly' flag. This command is used to authenticate a user against a directory service without creating a session, which can be indicative of brute-force attempts or credential validation by unauthorized processes.
This rule detects activities characteristic of the 'Gentleman' ransomware, including the creation of a specific ransom note file ('README-GENTLEMAN.txt'), attempts to tamper with Windows Defender security preferences, and the destruction of system recovery artifacts such as Volume Shadow Copies and various system logs/prefetch files.
Detects the use of the macOS 'codesign' utility to sign binaries using a self-signed or empty identity certificate. This technique is often used by adversaries to bypass Gatekeeper security controls or to make unsigned malicious binaries appear legitimate.
Detects instances where the 'Werkbit' process initiates either 'curl' or 'bash' to download files from GitHub-related domains. This behavior is indicative of a living-off-the-land technique used to fetch secondary payloads or scripts during a post-exploitation phase.
Detects execution of the Mimikatz tool where the 'sekurlsa' module is specified in the command line. This module is commonly used to extract sensitive credential material, such as cleartext passwords and Kerberos tickets, from the LSASS process memory.
Detects the installation or referencing of the malicious @injectivelabs/sdk-ts package version 1.20.21. This specific version was identified as containing a credential-stealing backdoor disguised within telemetry code.
Detects the use of the C# compiler (csc.exe) to compile code that references the 'System.Management.Automation' assembly. This pattern is commonly used in 'PS2EXE' techniques or custom loaders to execute PowerShell functionality from within a compiled binary, often to evade security controls that monitor for direct powershell.exe usage.
Detects process creation events where a file name containing a Right-to-Left Override (RTLO) character (U+202E) also ends with a .scr extension and includes a bait keyword ('ReportFinal'). This combination suggests an attempt to disguise a malicious screensaver file as a benign PDF document to deceive users into executing it.
This rule detects the abuse of the Windows 'search-ms' URI protocol handler to trigger a search against a remote WebDAV share for '.scr' (screensaver) files. This technique is often used to bypass security controls and trick users into executing malicious binaries hosted on attacker-controlled infrastructure.
Detects rundll32.exe loading davclnt.dll, which triggers the WebClient service to auto-start and perform a network callout to retrieve WebDAV-hosted content.
Detects process creation consistent with CVE-2025-33053 exploitation, where a crafted Internet Shortcut (.url) file sets its target to iediagcmd.exe with a WorkingDirectory pointing to a WebDAV DavWWWRoot UNC path, causing iediagcmd.exe to resolve and launch LOLBins (route.exe, ipconfig.exe, netsh.exe, ping.exe) from the attacker-controlled WebDAV share instead of the legitimate System32 directory.
Detects potential persistence mechanisms that mimic or leverage the Microsoft OneDrive update process. This includes the creation or modification of scheduled tasks containing 'OneDrive Update' in the command line using tools like schtasks or PowerShell, as well as modifications to the HKCU OneDrive environment registry key, a behavior associated with the GigaWiper malware.
Detects potential User Account Control (UAC) bypass attempts using the PowerShell 'Start-Process' cmdlet with the 'runAs' verb, which requests administrative privileges for a new process. The rule also includes a specific check for command-line artifacts associated with the 'wipe32' malware campaign, which utilizes this method for privilege escalation.
Detects the use of reg.exe to modify registry keys associated with Windows crash-dump settings and automatic reboot policies. Such modifications are indicative of attempts to inhibit system recovery and hinder incident response analysis, often associated with wiper malware such as GigaWiper.
Detects the execution of GigaWiper malware registry modules. The rule monitors command-line activity for specific binary names associated with the GigaWiper malware family that perform registry modifications, such as key creation or deletion.
Detects the execution of command lines associated with the GigaWiper 'GRATServiceManager' module. This module is used by the GigaWiper destructive backdoor to manage services, likely for persistence or malicious service manipulation.
Detects the execution of a potential file encryption utility that uses command-line flags ('enc'/'dec', '-k'/'-i'/'--keyfile') in conjunction with a 'key.txt' file. This pattern is characteristic of custom encryption tools used by threat actors to encrypt files on a system.
Detects the execution of a potential file encryption utility that uses command-line flags ('enc'/'dec', '-k'/'-i'/'--keyfile') in conjunction with a 'key.txt' file. This pattern is characteristic of custom encryption tools used by threat actors to encrypt files on a system.
Hunting rule loosely modeled after Atomic Red Team T1112 test "Disable Windows Change Password Feature". No public in-the-wild intel reference available; correlate before alerting.
Hunting rule loosely modeled after Atomic Red Team T1112 test "Disable Windows Task Manager application". No public in-the-wild intel reference available; correlate before alerting.
Hunting rule for Atomic Red Team T1112 test "Disable Windows Registry Tool" (Modify Registry). Correlate with additional signals before alerting.
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