Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
233 detections
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Detects network communication associated with the Cyclops Blink modular malware, specifically targeting known Sandworm C2 IP addresses and non-standard ports used for firewall rule manipulation and C2 beaconing. The rule identifies both inbound and outbound traffic, including potential TLS handshakes on specific non-standard ports.
This rule identifies MikroTik devices running vulnerable versions of RouterOS (specifically those older than 7.24) that are susceptible to CVE-2026-84411. This vulnerability involves an integer underflow in the web management HTTP handling, which can lead to unauthenticated remote code execution or denial of service.
Detects network traffic attempting to exploit CVE-2021-33044, an authentication bypass vulnerability in Dahua NetKeyboard devices, by identifying specific login request strings used in the exploit chain.
Detects the creation of a new local user account named 'ops' or an account with 'full' group privileges on MikroTik RouterOS. This rule is designed to identify potential persistence mechanisms following the exploitation of MikroTrick vulnerabilities (CVE-2026-67279/CVE-2026-86060), often indicated by anomalous prior login patterns.
Detects attempts to perform path traversal attacks against the MikroTik RouterOS WebFig interface via the jsproxy endpoint. The rule monitors HTTP proxy traffic for directory traversal sequences (e.g., '../' or URL encoded equivalents) within the query parameters of requests directed to the jsproxy URI.
Detects high-volume credential brute-forcing activity targeting Dahua IP camera administrative interfaces (Ports 80/37777). The rule identifies a pattern of multiple connection failures across multiple distinct targets followed by a successful connection, which is highly characteristic of automated credential stuffing or password spraying attacks against embedded IoT devices.
This rule detects potential exploitation of CVE-2026-86134, a NULL pointer dereference vulnerability in WatchGuard Fireware. It identifies a burst of authentication-related requests (login, authd, management) targeting a device, followed by system logs indicating a service crash, daemon restart, or core dump within a short correlation window. This behavior is indicative of a Denial of Service attack.
Detects network traffic attempting to exploit the Dahua CVE-2021-33044 vulnerability, which allows an unauthenticated user to bypass authentication mechanisms on affected NetKeyboard devices.
Detects a sequence of events characteristic of exploitation against RouterOS (CVE-2026-67276/CVE-2026-86060), involving a failed SSH login attempt with the username '-2', followed by the creation of a new user account within the same SSH session, and a successful login with that newly created account.
Detects attempts to exploit CVE-2021-33044, an authentication bypass vulnerability in Dahua NetKeyboard hardware. The rule triggers when a POST request containing 'global.login', 'clientType: NetKeyboard', and 'loginType: Direct' is observed, which allows unauthorized access by manipulating authentication parameters.
Detects attempts to exploit a buffer overflow vulnerability (CVE-2026-7273) in Zyxel GS1900 series switches. The rule monitors for oversized POST requests directed at CGI scripts on the device's web management interface.
Detects potential command injection attempts or unauthorized access attempts directed at WatchGuard Access Point management interfaces, identified by suspicious strings typically used in exploitation payloads within device logs.
Detects high-frequency connection attempts from a single source IP to multiple destination IPs over the non-standard DVRIP port 37777, often used by Dahua surveillance equipment. This behavior is indicative of automated scanning, brute-forcing, or exploitation attempts targeting vulnerable IoT/CCTV devices.
Detects attempts to exploit CVE-2021-33045, an authentication bypass vulnerability in certain Dahua camera firmware. The attack involves sending a crafted login request containing 'global.login', 'clientType', and 'Loopback' parameters, which allows an attacker to bypass authentication mechanisms.
Detects unauthorized export and outbound exfiltration of MikroTik RouterOS .rif diagnostic files. These files contain sensitive device configuration data and are often targeted during the final stage of the 'MikroTrick' attack chain, following administrative credential compromise.
Detects critical log entries on MikroTik RouterOS devices that contain 'flagged' status messages following a system upgrade or maintenance. This pattern is indicative of potential post-exploitation activity or post-update integrity warnings identified in recent vulnerabilities affecting RouterOS.
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.
This rule detects attempts to exploit CVE-2021-33044 in Dahua devices, specifically targeting the NetKeyboard clientType during the global.login RPC request. This vulnerability allows an unauthenticated remote attacker to bypass authentication mechanisms.
This rule detects attempts to exploit the authentication bypass vulnerability in Dahua firmware (CVE-2021-33045) via the JSON-RPC interface. The attacker attempts to manipulate the 'loginType' and 'ipAddr' fields, specifically using 'Loopback' as the login type and '127.0.0.1' as the IP address to bypass security controls.
Detects network traffic attempting to exploit CVE-2021-33044, an authentication bypass vulnerability in Dahua NetKeyboard devices, by identifying specific login request strings used in the exploit chain.
Detects repeated authentication login attempts (opcode 0xA0) against Dahua Easy4IP devices over TCP port 37777, indicative of a brute-force or credential stuffing attack.
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