Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
2,132 detections
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Detects unauthenticated HTTP POST requests targeting the FortiGate administrative API (/api/v2/), which may indicate exploitation attempts related to CVE-2025-25249. The rule specifically looks for requests lacking authentication headers (Cookie or Authorization).
Detection rules identifying suspicious communication patterns associated with Dahua P2P Cloud Relay devices, including WSSE authentication attempts and device probing to known cloud relay endpoints. These patterns are consistent with reconnaissance and exploitation activity against IoT devices within the context of Operation CameraSwarm.
Detects network activity related to Dahua P2P relay services (easy4ipcloud.com) on port 8800. The rules monitor for device lookup queries (/online/p2psrv/), probe requests (/probe/device/), and the presence of WSSE authentication headers, which may indicate interaction with or exploitation attempts by tools targeting P2P-enabled surveillance hardware.
Detects successful POST requests to the WordPress admin-ajax.php endpoint utilizing the 'wwlc_file_upload_handler' action with an empty referrer header. This pattern is characteristic of attackers attempting to upload malicious files via vulnerable WordPress plugins to establish web shell persistence.
Detects successful POST requests to the WordPress admin-ajax.php endpoint utilizing the 'wwlc_file_upload_handler' action with an empty referrer header. This pattern is characteristic of attackers attempting to upload malicious files via vulnerable WordPress plugins to establish web shell persistence.
Detects incoming HTTP requests to the WSO2 admin API endpoint that utilize a JSON Web Token (JWT) with the 'alg=none' algorithm, indicating an attempt to bypass authentication via JWT token forgery (CVE-2026-5430).
Detects attempts to exploit a vulnerability in WSO2 API Manager and Traffic Manager that allows for authentication bypass by utilizing a malformed JWT with the 'alg=none' header. Attackers can leverage this to impersonate users or bypass security controls by providing a crafted Bearer token in the Authorization header.
Detects a malicious command sequence targeting Redis instances where an attacker uses 'CONFIG SET' to modify the 'dir' and 'dbfilename' configuration directives followed by a 'SLAVEOF' or 'REPLICAOF' command. This is a common exploit pattern used to achieve remote code execution by forcing the Redis instance to load a malicious database file (often containing binary webshells or cron jobs) from an attacker-controlled server.
Detects malicious activities associated with the SilkParasite campaign targeting Redis servers. The rules identify the initiation of a 'SLAVEOF' command to a rogue replication host, subsequent handshake (PSYNC/REPLCONF) with an external attacker-controlled node, and the modification of server configuration ('CONFIG SET dbfilename') to potentially facilitate unauthorized file persistence or data exfiltration through the Redis replication mechanism.
Detects malicious activities associated with the SilkParasite campaign targeting Redis servers. The rules identify the initiation of a 'SLAVEOF' command to a rogue replication host, subsequent handshake (PSYNC/REPLCONF) with an external attacker-controlled node, and the modification of server configuration ('CONFIG SET dbfilename') to potentially facilitate unauthorized file persistence or data exfiltration through the Redis replication mechanism.
Detects malicious activities associated with the SilkParasite campaign targeting Redis servers. The rules identify the initiation of a 'SLAVEOF' command to a rogue replication host, subsequent handshake (PSYNC/REPLCONF) with an external attacker-controlled node, and the modification of server configuration ('CONFIG SET dbfilename') to potentially facilitate unauthorized file persistence or data exfiltration through the Redis replication mechanism.
This rule identifies instances of Cisco Secure Email Gateway (AsyncOS) running vulnerable versions that are susceptible to CVE-2026-76461. It parses the software inventory data to identify appliances within branches 15.5, 16.0, and 16.5, comparing the patch and build versions against the known secure release versions (15.5.5-0141, 16.0.4-302, 16.5.0-780).
This rule identifies instances of Cisco Secure Email Gateway (AsyncOS) running vulnerable versions that are susceptible to CVE-2026-76461. It parses the software inventory data to identify appliances within branches 15.5, 16.0, and 16.5, comparing the patch and build versions against the known secure release versions (15.5.5-0141, 16.0.4-302, 16.5.0-780).
This rule detects attempts to exploit a path traversal vulnerability (CVE-2024-21762) in FortiOS SSL-VPN by monitoring for malformed GET requests targeting the /remote/fgt_lang endpoint. The rule also tracks successful exploitation by identifying HTTP 200 responses containing Linux password file patterns (root:x:0:0:), indicating potential remote file disclosure.
Detects the forged Next.js Server Action invocation used to deliver the
RCE payload after the encryption key has been disclosed. The request is
a multipart/form-data POST containing a "$ACTION_REF_*" field together
with the numbered "$ACTION_<ref>:0/1/2" descriptor fields (action id,
argument list, base64-encoded AES-GCM ciphertext for the closure-bound
args) plus one additional attacker-controlled form field carrying the
payload. Legitimate Server Action calls originate only from the app's
own client bundle and do not normally arrive as raw multipart posts
crafted with a generic HTTP client / no browser fingerprint, especially
shortly after a manifest-disclosure request from the same source (see
companion rule "Next.js Server-Reference-Manifest Disclosure via
Backslash Path Traversal").
RCE payload after the encryption key has been disclosed. The request is
a multipart/form-data POST containing a "$ACTION_REF_*" field together
with the numbered "$ACTION_<ref>:0/1/2" descriptor fields (action id,
argument list, base64-encoded AES-GCM ciphertext for the closure-bound
args) plus one additional attacker-controlled form field carrying the
payload. Legitimate Server Action calls originate only from the app's
own client bundle and do not normally arrive as raw multipart posts
crafted with a generic HTTP client / no browser fingerprint, especially
shortly after a manifest-disclosure request from the same source (see
companion rule "Next.js Server-Reference-Manifest Disclosure via
Backslash Path Traversal").
Detects anomalous POST requests containing SharePoint 'MSOTlPn_' ToolPane markup directed at pages other than the expected 'ToolPane.aspx'. This pattern is characteristic of attempts to exploit the SPUtility.EnsureAuthentication bypass vulnerability, allowing attackers to access or execute operations on SharePoint pages without proper authentication.
Detects a specific SharePoint markup injection technique targeting the EditingPageParser type-check mechanism. An attacker smuggles a 'Register' directive into a crafted WebPartMarkup POST request using the 'publishingribbon' Tagprefix to bypass SafeControl validation.
Detects unauthorized access and data retrieval attempts from a MinIO object storage instance using default administration credentials (minioadmin:minioadmin). The rule monitors both command-line execution of MinIO client (mc) operations and network connections to MinIO service ports (9000/9001) that involve the use of the default credential pair.
Detects unauthorized access and data retrieval attempts from a MinIO object storage instance using default administration credentials (minioadmin:minioadmin). The rule monitors both command-line execution of MinIO client (mc) operations and network connections to MinIO service ports (9000/9001) that involve the use of the default credential pair.
Detects suspicious process execution patterns originating from Langflow or Nacos AI orchestration services, including the spawning of sensitive binaries like cmd, powershell, or scripts (python/bash/sh) with suspicious command-line arguments. Additionally, it identifies potential exploitation attempts targeting known-vulnerable API endpoints (code validation and Nacos user authentication).
Detects an attempt to exploit CVE-2026-24858 in FortiCloud SSO by sending a crafted SAML authentication request that lacks a signature. This vulnerability allows an attacker to bypass authentication by providing an unsigned SAML response.
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