Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
20,480 detections
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IDS Classtypes
1
Detects potential Linux privilege escalation and persistence activities by monitoring for the creation of persistence scripts in post_boot.d, modifications to the sudoers.template file appending NOPASSWD, or system configuration rebuilds shortly after sudoers template changes.
Detects PowerShell launched hidden and non-interactive with an insecure execution policy and Base64 decode-and-execute, or a script combining Base64 decode-and-execute with browser history collection and WMI shadow copy enumeration, as seen in the Midnight Blizzard (GTG-20006) stager.
Detects execution of Node.js and NPM related commands involving potential supply chain indicators, script execution, or download utilities (such as curl, wget, powershell, or eval) within command lines.
Detects the execution of potential tunneling tools from temporary directories (/tmp, /dev/shm, /var/tmp) using characteristic CLI arguments such as --listen, --token, --obfs, and --ws-path, or the known binary name 'ingredi_ws'.
Detects potential web shell activity where a web or application server process (such as IIS, Apache, Nginx, or Tomcat) writes a script file (e.g., .aspx, .jsp, .php) into a web-accessible directory, followed shortly by spawning a command-line shell or utility process.
Detects potential web shell activity where a web or application server process (such as IIS, Apache, Nginx, or Tomcat) writes a script file (e.g., .aspx, .jsp, .php) into a web-accessible directory, followed shortly by spawning a command-line shell or utility process.
Detects endpoint execution of specific known brute-force scripts and tools (such as ssh_brute.py, brute3.py, auto_login.py, etc.) using Python or shell interpreters, correlated with a high outbound network connection fan-out (50 or more distinct target IPs) from the same process.
Detects the execution of the hacktool Defendnot. Defendnot is a hacktool that abuses Microsoft undocumented WSC (Windows Security Center) API
to disable Windows Defender by registering itself as a fake antivirus product. Threat actors often use these kind of tools to bypass security measures.
to disable Windows Defender by registering itself as a fake antivirus product. Threat actors often use these kind of tools to bypass security measures.
Detects when common office applications (Word, Excel, PowerPoint, Outlook, OneNote, etc.) or archive utilities/PDF readers spawn command-line interpreters or scripting engines (cmd.exe, powershell.exe, wscript.exe, etc.), which is a common indicator of phishing document execution or malicious archive extraction.
IOC sweep (SHA256, domains, URLs, IPs, sender emails) for the RedFlick-style VHDX/LNK/WebDAV campaign against Moldovan and Ukrainian civil society, with false-positive controls.
Detects PowerShell execution involving Base64 decoding or certutil decoding combined with writing files to the AppData directory using .NET I/O methods or PowerShell cmdlets.
Detects hosts with the trojanized version 3.0.123 of the Rank Math PRO WordPress plugin distributed in October 2026. It correlates software inventory, file events, command-line process events, and network connections to identify affected packages, installation activity, and C2 communications.
Detects the execution of ntdsutil.exe with arguments to create an Install from Media (IFM) database backup, preceded shortly by a Remote Interactive logon (RDP) from a remote IP source, which can indicate adversary activity attempting to dump Active Directory credentials.
Detects potential Linux privilege escalation and persistence activities by monitoring for the creation of persistence scripts in post_boot.d, modifications to the sudoers.template file appending NOPASSWD, or system configuration rebuilds shortly after sudoers template changes.
Detects a sequence of events on a single device where a shell (/bin/sh, /bin/bash, etc.) is copied to a path involving /usr/bin/dbus-authd using cp or busybox, followed by changing ownership to root, and subsequently setting the SUID permission bit within a 10-minute window.
Detects a sequence of events on a single device where a shell (/bin/sh, /bin/bash, etc.) is copied to a path involving /usr/bin/dbus-authd using cp or busybox, followed by changing ownership to root, and subsequently setting the SUID permission bit within a 10-minute window.
Detects the execution of reverse engineering and decompilation tools such as JADX or Blutter against Android APK files or Flutter application binaries (libapp.so), as well as the creation of their typical output artifacts and staging folders.
Detects the execution of reverse engineering and decompilation tools such as JADX or Blutter against Android APK files or Flutter application binaries (libapp.so), as well as the creation of their typical output artifacts and staging folders.
Detects the execution of reverse engineering and decompilation tools such as JADX or Blutter against Android APK files or Flutter application binaries (libapp.so), as well as the creation of their typical output artifacts and staging folders.
Detects endpoint execution of specific known brute-force scripts and tools (such as ssh_brute.py, brute3.py, auto_login.py, etc.) using Python or shell interpreters, correlated with a high outbound network connection fan-out (50 or more distinct target IPs) from the same process.
Detects Windows Terminal or related console hosts spawning PowerShell or PowerShell Core with command-line arguments indicative of staging, downloading, or executing remote scripts (such as encoded commands, Invoke-Expression, or web requests), commonly associated with ClickFix or social engineering techniques.
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