Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
1,217 detections
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Detects the GitHub Actions runner executing the Bun runtime to run a hidden index.js payload, specifically associated with the compromised 'actions-cool/issues-helper' or 'actions-cool/maintain-one-comment' actions. The rule filters for process execution context tied to GitHub runner internals and validates that the Bun execution follows the pattern observed in these supply chain attacks.
Detects the GitHub Actions runner executing the Bun runtime to run a hidden index.js payload, specifically associated with the compromised 'actions-cool/issues-helper' or 'actions-cool/maintain-one-comment' actions. The rule filters for process execution context tied to GitHub runner internals and validates that the Bun execution follows the pattern observed in these supply chain attacks.
Detects incoming HTTP requests to FortiSandbox administrative or management endpoints that contain suspicious shell metacharacters and command-injection patterns. These patterns are indicative of attempts to exploit CVE-2026-25089, an unauthenticated remote command injection vulnerability in the FortiSandbox Web UI.
Detects the presence of specific .NET deserialization gadget chain components (ExpandedWrapper, XamlServices, ObjectDataProvider, LosFormatter) within application traffic or logs, which are indicative of exploitation attempts targeting SharePoint pre-authentication remote code execution vulnerabilities like CVE-2026-65660.
Detects the establishment of a memory-resident webshell following the exploitation of SharePoint (e.g., ToolPane/EditingPageParser SafeControls bypass or XamlServices/LosFormatter deserialization). The rule identifies instances where w3wp.exe loads specific XAML/WPF assemblies used in known gadget chains and subsequently spawns child processes without any corresponding file creation activity on disk.
Detects HTTP POST requests to SharePoint ToolPane or WebPartPage endpoints containing serialized gadget chains (e.g., ysoserial ExpandedWrapper/ObjectDataProvider or XamlServices) indicative of deserialization exploitation attempts, specifically targeting CVE-2026-65660.
Detects malicious exploitation attempts against the SharePoint WebPartPages.asmx SOAP endpoint. Attackers use this endpoint to bypass security patches by invoking template-parsing functions like GetWebPartPageConnectionInfo, which facilitates Register-directive injection and XamlServices deserialization chains for remote code execution.
Detects post-exploitation shell activity spawned from the IIS worker process (w3wp.exe), narrowed to command lines carrying encoded/obfuscated PowerShell flags, remote-download cradles, or basic recon/persistence commands (whoami, certutil, bitsadmin, schtasks, reg add). This reduces noise from benign w3wp.exe-initiated automation while retaining the behavioral pattern seen in the Telerik UI for ASP.NET AJAX unauthenticated RCE chain (webshell/in-memory DLL execution dropping to a shell).
This rule detects when the Node.js runtime process (node.exe) initiates the Windows command interpreter (cmd.exe) with the '/c' flag, which is commonly used to execute commands or scripts. This behavior is frequently associated with malicious Node.js activity, such as Remote Access Trojans (RATs) or web shells, which may use the shell to execute system-level operations or bypass typical application constraints.
Detects execution and network activity related to the PamStealer / Wavel malware campaign, including the JXA dropper and associated C2 infrastructure. The rule monitors for known malicious file hashes (e.g., JXA dropper, pkgunpack utility) and network connections to identified lure, distribution, and C2 domains and URLs used by the campaign.
Detects execution and network activity related to the PamStealer / Wavel malware campaign, including the JXA dropper and associated C2 infrastructure. The rule monitors for known malicious file hashes (e.g., JXA dropper, pkgunpack utility) and network connections to identified lure, distribution, and C2 domains and URLs used by the campaign.
Detects high-frequency anonymous comment submissions to 'wp-comments-post.php' from a single IP address within a 10-minute window, characterized by minimal variations in User-Agent. This behavior is indicative of an automated script attempting to bypass comment moderation settings, potentially exploiting known vulnerabilities (e.g., CVE-2026-93485) to inject content without administrative approval.
Detects high-frequency anonymous comment submissions to 'wp-comments-post.php' from a single IP address within a 10-minute window, characterized by minimal variations in User-Agent. This behavior is indicative of an automated script attempting to bypass comment moderation settings, potentially exploiting known vulnerabilities (e.g., CVE-2026-93485) to inject content without administrative approval.
Detects malicious shell commands attempting to perform supply-chain persistence via environment variable manipulation in CI/CD environments. The rule identifies processes injecting BASH_ENV into GITHUB_ENV, a known technique used by the SCKIT supply-chain worm to perform credential harvesting during CI pipeline execution.
Detects the spawning of command-line interfaces such as cmd.exe, powershell.exe, or pwsh.exe as child processes of the SharePoint web application worker process (w3wp.exe). This behavior is highly irregular for a web server process and is indicative of potential exploitation, such as remote code execution (RCE) via web application vulnerabilities.
Detects an exploitation attempt against the SharePoint WebPartPagesWebService using the GetWebPartPageConnectionInfo method. The rule monitors for suspicious input patterns such as 'Register' and 'ignoreParentFrozen' within the URI query, which are indicative of a directive injection vulnerability.
Detects the presence of specific ysoserial gadget chain strings (ActivitySurrogateSelector/ActivitySurrogateDisableTypeCheck) indicative of deserialization attacks targeting Microsoft SharePoint via System.Web.UI.LosFormatter. This typically occurs in memory within w3wp.exe processes following an initial RCE exploit, such as those targeting EditingPageParser or ToolPane.
Detects web requests to 'wp-admin/theme-install.php' containing suspicious query parameters that indicate an attempt to force an unauthenticated theme installation via a Cross-Site Request Forgery (CSRF) exploit (Click2Shell). The rule identifies requests with malicious payloads in the 'theme' parameter, specifically looking for indicators that attempt to bypass CSRF protections when originating from an external site or a non-admin session context.
This rule detects instances where the Terraform CLI tool connects to suspected lookalike domains associated with supply chain compromise attempts (e.g., hashicorp-aws[.]com or hashicorp-terraform[.]io) during common initialization or application workflows. It correlates process execution with network connection logs and optionally validates the presence of a related .terraform.lock.hcl file associated with the malicious origin.
This rule detects instances where the Terraform CLI tool connects to suspected lookalike domains associated with supply chain compromise attempts (e.g., hashicorp-aws[.]com or hashicorp-terraform[.]io) during common initialization or application workflows. It correlates process execution with network connection logs and optionally validates the presence of a related .terraform.lock.hcl file associated with the malicious origin.
Detects incoming HTTP requests where the 'pagename' parameter contains directory traversal sequences (e.g., '../', '..%2f'). These attempts are typically indicative of automated vulnerability scanning or exploitation attempts targeting WordPress page-template resolution logic, specifically related to CVE-2026-87902.
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