Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
233 detections
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Detects an attempt to exploit CVE-2021-33045 in Dahua devices, where an attacker sends a malicious JSON-RPC request to bypass authentication by leveraging the 'Loopback' login type and targeting the '127.0.0.1' address in the 'ipAddr' parameter.
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 IoT devices that have reported critical or high severity software vulnerabilities within the last 24 hours. It correlates DeviceTvmSoftwareVulnerabilities data with DeviceInfo to specifically isolate vulnerable IoT-categorized assets and provides a summary of affected devices, software, and the associated CVEs to prioritize remediation efforts.
Detects coordinated behavioral signals associated with the CVE-2025-25249 campaign, which deploys the PivotC2 Node.js RAT on FortiGate devices. The rule correlates anomalous inbound CAPWAP (UDP/5246) traffic, Node.js process execution, suspicious JavaScript file writes, and unauthorized access to Fortinet configuration files, followed by long-lived outbound TLS beacons to non-standard ports.
This rule monitors for the creation or presence of a specific backdoor account (username 'p2pwn' and password 'p2password') on Dahua devices. This account is known to be injected by threat actors exploiting CVE-2024-39943 as part of Operation CameraSwarm to maintain persistent unauthorized access.
Detects network requests targeting Dahua devices that attempt to exploit CVE-2021-33044. The exploitation involves sending a crafted 'global.login' RPC call with specific parameters (clientType 'NetKeyboard', loginType 'Direct', authorityType 'Default') to bypass authentication and retrieve administrative session tokens.
This rule detects exploitation attempts against CVE-2021-33045 in Dahua devices. It identifies network traffic where a 'global.login' RPC request uses the 'Loopback' login type with a spoofed source IP address of '127.0.0.1' within the request body, while the actual TCP source address of the packet originates from a remote/external location. This technique is used to bypass authentication mechanisms.
Detects the creation of known backdoor accounts 'p2pwn' or 'p2password' on Dahua devices, which are associated with the exploitation of CVE-2024-39943. This activity indicates an attacker attempting to establish persistent unauthorized access that may survive factory resets.
Detects outbound network traffic from internal devices interacting with Dahua Easy4IP cloud relay services, specifically identifying device resolution requests, probe actions, and the submission of WSSE authentication headers (UsernameToken and PasswordDigest) to the cloud relay host.
Detects anomalous STUN bind-requests containing 'PTCP' headers directed at the loopback interface, commonly associated with the exploitation of Dahua P2P relay services for traffic redirection or unauthorized access.
This rule identifies vulnerable versions of FortiOS and FortiSwitchManager susceptible to CVE-2025-25249, a critical heap-based buffer overflow vulnerability in the cw_acd daemon. It parses device version strings from security logs and compares them against known affected version ranges.
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.
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 an attempt to exploit CVE-2021-33045 in Dahua devices, where an attacker sends a malicious JSON-RPC request to bypass authentication by leveraging the 'Loopback' login type and targeting the '127.0.0.1' address in the 'ipAddr' parameter.
Detects an attempt to exploit CVE-2021-33045 in Dahua devices, where an attacker sends a malicious JSON-RPC request to bypass authentication by leveraging the 'Loopback' login type and targeting the '127.0.0.1' address in the 'ipAddr' parameter.
This rule detects attempts to exploit CVE-2021-33044, a vulnerability in Dahua hardware that allows an attacker to bypass authentication by sending a specially crafted request to the global.login endpoint.
Detects an attempt to exploit CVE-2021-33045 in Dahua devices, where an attacker sends a malicious JSON-RPC request to bypass authentication by leveraging the 'Loopback' login type and targeting the '127.0.0.1' address in the 'ipAddr' parameter.
This rule identifies vulnerable versions of FortiOS and FortiSwitchManager susceptible to CVE-2025-25249, a critical heap-based buffer overflow vulnerability in the cw_acd daemon. It parses device version strings from security logs and compares them against known affected version ranges.
Detects coordinated behavioral signals associated with the CVE-2025-25249 campaign, which deploys the PivotC2 Node.js RAT on FortiGate devices. The rule correlates anomalous inbound CAPWAP (UDP/5246) traffic, Node.js process execution, suspicious JavaScript file writes, and unauthorized access to Fortinet configuration files, followed by long-lived outbound TLS beacons to non-standard ports.
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).
This rule detects anomalous high-frequency, short-duration bursts of CAPWAP (Control and Provisioning of Wireless Access Points) traffic originating from external sources and targeting internal FortiGate devices. This behavior is indicative of automated exploitation attempts, specifically targeting known heap-grooming activities used in vulnerabilities like CVE-2023-27997, which rely on repetitive 'Add-Station' operations. Legitimate controller traffic is filtered by focusing on internal-to-internal communication patterns.
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