Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
3,651 detections
Filters
Last updated
All Time
Detection languages
1,772
374
351
273
255
Contributors
908
676
593
359
164
Categories
1,505
1,172
782
528
524
Platforms
39,952
7,270
6,537
3,867
3,651
Products / Services
809
512
432
340
300
MITRE Techniques
1,181
584
528
506
438
CVEs
17
16
9
8
7
IDS Classtypes
41
15
10
6
5
IDS Protocols
47
24
3
2
1
Detects the execution of commands indicative of a user pasting a malicious script into the Terminal, often associated with ClickFix or fake CAPTCHA social engineering attacks. This typically involves using tools like `curl` to download and pipe payloads directly to a shell, or the use of `pbpaste` to execute clipboard contents.
This rule detects the creation of files with names commonly associated with ransomware notes (e.g., 'ransom_note', 'decrypt_files', 'pay_ransom') and common text file extensions (.txt, .html, .htm). It summarizes these events by device and time, flagging devices where at least one such file is observed.
Hades Sentinel File Creation
Cortex XDR
Detects the creation of the '.bun_ran' sentinel file in the system temp directory, used by the Hades malicious PyPI loader to avoid repeated executions. This file acts as a marker to prevent subsequent infections or executions of the malware.
Detects installation or execution of known typo-squatted npm packages linked to TeamPCP copycats (Shai-Hulud clones and DDoS botnets).
This rule detects attempts to modify the macOS Transparency, Consent, and Control (TCC) database over an SSH connection. The TCC database stores user privacy settings, and its modification can indicate an attempt to bypass security controls or escalate privileges. The rule specifically looks for the string "TCC.db" within TCP traffic directed to port 22 (SSH).
This rule detects modifications to macOS Login Hook scripts via SSH. Login Hooks are scripts that execute when a user logs in or out, and their modification can be an indicator of persistence mechanisms used by attackers. The rule specifically looks for TCP traffic on port 22 (SSH) containing the string 'LoginHook' in a case-insensitive manner, indicating an attempt to interact with or modify these scripts.
This rule detects the string "LC_LOAD_DYLIB" within HTTP response bodies (file data). This string is associated with the loading of dynamic libraries (DYLIBs) on macOS systems. In a malicious context, this could indicate an attempt to inject a malicious DYLIB into a process, potentially for persistence or code execution. The rule specifically looks for this content in traffic flowing from the server to the client.
This rule detects modifications to the 'com.apple.loginwindow' content over a TCP connection to port 22 (SSH). This content is associated with macOS's re-opened applications list, which can be manipulated by adversaries to establish persistence by ensuring malicious applications are launched after a user logs in or a system restarts. The detection specifically looks for the string 'com.apple.loginwindow' in the traffic, indicating an attempt to interact with or modify this critical system component.
This rule detects the delivery of potentially malicious kernel modules or extensions over HTTP. It specifically looks for HTTP responses containing files with '.ko' (Linux kernel object) or '.kext' (macOS kernel extension) file extensions in the URI, indicating a client is downloading such a file. The 'flow:to_client,established' ensures the detection occurs on files being sent from a server to a client over an established HTTP connection.
This rule detects attempts to hijack macOS applications using malicious dynamic libraries (DYLIBs). It specifically looks for HTTP responses containing a URI with the ".dylib" extension and the content "__TEXT" within the file data, indicating a Mach-O executable segment. This combination suggests the delivery of a potentially malicious dynamic library designed for hijacking purposes on macOS systems.
Detects processes making HTTP/HTTPS requests to localhost on ports 40341 or 40342 for '/metadata'. This pattern can indicate local service discovery, inter-process communication, or potentially malicious activity attempting to interact with local services, possibly for credential access or privilege escalation.
Hidden User Use Case Monitors dslocal user plist modifications for IsHidden, indicating a concealed local account created or modified outside standard account management workflows.
Detects attempts to disable Gatekeeper assessment or modify System Integrity
Protection, common defense evasion before unsigned payload execution.
Protection, common defense evasion before unsigned payload execution.
This rule looks for a non-interactive shell process reading npmrc token files outside normal developer activity. Automated readers often belong to stealers. Rotate npm tokens and check publish history. Ask the person who used the computer whether they installed new software or clicked a link, and involve your security team if the answer is unclear.
Detects the execution of Google Chrome with specific command-line flags (--hide-crash-restore-bubble and --disable-session-crashed-bubble) that are often used by malware like FlutterShell to suppress crash recovery prompts and potentially evade detection or user interaction. This behavior can indicate an attempt to hide malicious activity or maintain persistence without alerting the user to abnormal browser states.
Detects download of malware builder or generator tools from code repositories
Detects IP geolocation lookups used to determine system geographic location
Detects automated social media account registration used for fake identity infrastructure
Detects command line activity indicative of probing endpoint detection and response (EDR) software directories such as CrowdStrike, Falcon, Carbon Black, and SentinelOne. The Miasma malware probes these exact paths to fingerprint host defenses before executing its credential theft module.
Detects enabling Hide500Users in com.apple.loginwindow plist preferences, which suppresses
sub-500 UID accounts from the login screen and System Settings.
sub-500 UID accounts from the login screen and System Settings.
This rule detects attempts to dump memory from the 'securityd' process on macOS systems, specifically looking for the string 'securityd' and 'ptrace' in TCP traffic on port 22. This activity is indicative of credential access attempts, as 'securityd' handles sensitive security information.
Page 146 of 174