Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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Detects potential exploitation attempts targeting the Cacti Command Injection vulnerability, CVE-2022-46169. The rule looks for specific patterns in GET requests to '/remote_agent.php' with 'action=polldata' and 'poller_id=' in the query, combined with suspicious command injection payloads like 'base64 -d | /bin/bash', 'whoami', 'powershell', 'cmd', or 'wget'.
Detects the creation of a "Report.wer" file in an uncommon folder structure, specifically outside of the typical Windows Error Reporting (WER) archive paths. This activity could indicate potential exploitation of CVE-2023-36874, where adversaries might manipulate WER to achieve execution or persistence.
Detects the 3CXDesktopApp updater downloading a known compromised version of the 3CXDesktopApp software. This rule specifically looks for the 'update.exe' process within the 3CXDesktopApp directory being executed with command-line arguments indicating an update operation for version '18.12' via HTTP, which was associated with the supply chain compromise.
Detects the download of a file with a potentially suspicious extension from a .zip top-level domain. This rule specifically looks for the creation of alternate data streams (ADS) containing a 'Zone.Identifier' indicating a download from a '.zip' TLD, combined with suspicious file extensions commonly used for malicious payloads.
Detects attempts to exploit the VMware Workspace ONE Access Admin Remote Code Execution vulnerability (CVE-2022-31659) by monitoring for POST requests to the '/SAAS/jersey/manager/api/migrate/tenant' URI. This URI is associated with the migration API, and suspicious activity here could indicate an attacker attempting to leverage the vulnerability for remote code execution.
This rule identifies user activity originating from an IP address that has been flagged as an anonymous proxy. Such activity can indicate an attempt to obscure the true origin of a sign-in, which is often associated with malicious intent like credential stuffing, account takeover, or bypassing geographical restrictions.
Detects the creation of recent file shortcuts (.lnk) that point to disk image files (.iso, .img, .vhd, .vhdx). This activity is often observed in phishing attacks where adversaries use these file types to deliver malware. The rule specifically looks for these shortcuts within the 'Recent' folder of a user's profile, indicating that the user has recently interacted with such a file.
Detects the creation or modification of registry keys related to printer drivers that contain specific strings associated with Mimikatz or the PrinterNightmare vulnerability (CVE-2021-1675, CVE-2021-34527). The rule looks for 'QMS 810' or 'mimikatz' in printer driver paths, or a combination of 'legitprinter' and printer environment paths, or specific strings like 'Gentil Kiwi', 'mimikatz printer', or 'Kiwi Legit Printer' in registry objects related to printing.
This rule detects the creation of suspicious shell processes or system utilities spawned by the Java utility 'keytool.exe'. This behavior is often indicative of exploitation, such as the CVE-2021-40539 vulnerability in ManageEngine ADSelfService Plus, where attackers leverage keytool to execute arbitrary commands. The rule specifically looks for 'keytool.exe' as the parent process and a wide range of common Windows and Linux shell/utility executables as the child process.
This rule detects the execution of 'net.exe' or 'net1.exe' with a password provided directly in the command line. This is a security risk as it exposes credentials and can be used for lateral movement, persistence, or privilege escalation. The rule specifically looks for the 'use' keyword, a colon followed by an asterisk and a backslash (indicating a password field), and '/USER:* *' to identify password usage in the command line arguments.
Detects the creation of a 'gbb.exe' process as a sub-process of 'Hwp.exe' (Hangul Word Processor). This behavior is highly suspicious and often indicative of exploitation attempts targeting vulnerabilities within the HWP application, leading to the execution of malicious payloads.
Detects the use of the "appcmd.exe" utility to create or modify global URL rewrite rules within Internet Information Services (IIS). This activity is suspicious because threat actors have been observed leveraging this method to establish persistence or facilitate access to webshells by redirecting traffic or enabling specific paths.
This rule detects the execution of any program from the Outlook temporary files folder, which is often used by adversaries to drop and execute malicious payloads received via email. This activity is highly suspicious as legitimate applications typically do not execute from this location.
Detects cases where an ISO file is opened within an archiving application like 7-Zip or WinRAR. This behavior is often associated with phishing campaigns where threat actors embed small ISO files in archives as email attachments to bypass security filters and protective measures (e.g., Mark-of-the-Web).
This rule detects the execution of arbitrary shell commands via the '.SettingContent-ms' file type. These files, introduced in Windows 10, are XML-based shortcuts to Windows settings pages. Adversaries can manipulate these files to execute malicious commands, bypassing typical execution controls. The rule specifically looks for process creation events where the command line contains '.SettingContent-ms' and excludes legitimate calls to 'immersivecontrolpanel'.
This rule detects modifications to the Windows Registry key associated with "TrustRecords" for Microsoft Office applications. These trust records are created when a user enables macros in a document, indicating that the document's source is trusted. Adversaries often leverage malicious macros in documents as an initial access vector. Monitoring changes to this registry path can help identify when macros are being enabled, potentially by a user interacting with a malicious document.
Detects a process spawned by the terminal service server process (this could be an indicator for an exploitation of CVE-2019-0708)
Detects potential OGNL Injection exploitation, which may lead to RCE.
OGNL is an expression language that is supported in many JVM based systems.
OGNL Injection is the reason for some high profile RCE's such as Apache Struts (CVE-2017-5638) and Confluence (CVE-2022-26134)
OGNL is an expression language that is supported in many JVM based systems.
OGNL Injection is the reason for some high profile RCE's such as Apache Struts (CVE-2017-5638) and Confluence (CVE-2022-26134)
Detects process execution related errors in NodeJS. If the exceptions are caused due to user input then they may suggest an RCE vulnerability.
Detects potential local file read vulnerability in JVM based apps.
If the exceptions are caused due to user input and contain path traversal payloads then it's a red flag.
If the exceptions are caused due to user input and contain path traversal payloads then it's a red flag.
Detects process execution related exceptions in JVM based apps, often relates to RCE
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