Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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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.
Detects TLS connections using suspicious certificates identified as belonging to the SilkParasite threat actor. The rule monitors for specific certificate issuer strings paired with either malicious subject domain patterns (targeting Central Asian entities) or specific JA4X fingerprints associated with known malicious activity.
Detects TLS connections using suspicious certificates identified as belonging to the SilkParasite threat actor. The rule monitors for specific certificate issuer strings paired with either malicious subject domain patterns (targeting Central Asian entities) or specific JA4X fingerprints associated with known malicious activity.
This rule monitors for network traffic related to known fake GitHub pages and malicious loader sites impersonating LastPass Authenticator. It detects attempts to access specific malicious domains and organization pages on GitHub, as well as the delivery of malicious pages containing spoofed trust badges and branding, commonly used in phishing campaigns.
Detects outbound network traffic to a known malicious IP address associated with Rapuncel Stealer, specifically looking for HTTP POST requests to the /upload endpoint, indicating possible data exfiltration.
Detects network activity associated with the EtherHiding technique, where adversaries leverage the Polygon blockchain to resolve command-and-control (C2) infrastructure and communicate with malicious smart contracts. This rule identifies specific JSON-RPC requests ('eth_call') using SloppyRAT contract selectors and DNS queries for blockchain-related RPC endpoints.
Detection of network traffic associated with the delivery of the Rapuncel information stealer. The rules monitor for large ZIP archives masquerading as LastPass Authenticator installers and detect attempts to reach out to external domains for DLL sideloading artifacts (TitanStorage.dll and ProManager.dll).
This rule detects IDS/IPS or vulnerability management alerts triggered by exploitation attempts targeting the Cisco IOS XR control plane, specifically related to CVE-2026-20212.
Detects network activity and email headers associated with the DoppelBrand campaign. The rule monitors DNS queries for specific IOC domains (service-nowinc.com, domainlify.net) and inspects SMTP traffic for malicious MAIL FROM addresses and Reply-To headers targeting these domains.
Detects high-frequency POST requests to the JFrog Artifactory '/access/api/v1/tokens' endpoint, which is indicative of mass exploitation attempts targeting vulnerabilities (CVE-2026-82329) against administrative token management.
This rule detects SQL injection attempts targeting the BuddyBoss members REST endpoint, specifically identifying exploitation patterns associated with the 'sqlmap' tool. The rule monitors for specific URL parameters including 'member_type', 'search_terms', and 'scope' in combination with an 'sqlmap' user-agent, indicating an automated exploitation attempt against the application.
Detects outbound network traffic consistent with the Chisel proxy/tunneling tool establishing a connection to an external VPS associated with the Miku threat actor. The rule monitors for established TCP connections to a specific remote IP address on port 443, utilizing a threshold to reduce noise by ensuring multiple connection attempts occur.
Detects outbound network traffic consistent with the Chisel proxy/tunneling tool establishing a connection to an external VPS associated with the Miku threat actor. The rule monitors for established TCP connections to a specific remote IP address on port 443, utilizing a threshold to reduce noise by ensuring multiple connection attempts occur.
Detects outbound TCP traffic originating from the internal network destined for a known malicious IP associated with Meterpreter Java payload retrieval and post-exploitation Command and Control (C2) activity, potentially related to PaperCut vulnerability exploitation.
This rule detects potential Adversary-in-the-Middle (AiTM) activity by monitoring for a two-stage pattern: a SignalR negotiation POST request followed by a WebSocket upgrade request to a suspicious domain structure. The pattern specifically targets lookalike domains featuring a random subdomain of at least 12 alphanumeric characters, which is indicative of ORAX-style AiTM infrastructure.
This rule detects potential Adversary-in-the-Middle (AiTM) activity by monitoring for a two-stage pattern: a SignalR negotiation POST request followed by a WebSocket upgrade request to a suspicious domain structure. The pattern specifically targets lookalike domains featuring a random subdomain of at least 12 alphanumeric characters, which is indicative of ORAX-style AiTM infrastructure.
This rule detects potential Adversary-in-the-Middle (AiTM) activity by monitoring for a two-stage pattern: a SignalR negotiation POST request followed by a WebSocket upgrade request to a suspicious domain structure. The pattern specifically targets lookalike domains featuring a random subdomain of at least 12 alphanumeric characters, which is indicative of ORAX-style AiTM infrastructure.
This rule detects potential command and control (C2) communication related to the GhostContainer malware. It inspects HTTP POST requests directed at Microsoft Outlook Web Access (OWA) paths containing a suspicious 'x-owa-urlpostdata' header. The presence of this specific header, followed by a base64-encoded string of significant length, indicates an attempt to deliver C2 commands or exfiltrate data through OWA infrastructure.
This rule detects HTTP requests directed at Microsoft Exchange Outlook Web Access (OWA) that contain suspicious 'fakePath' and 'fakePageName' parameters in the URI. These parameters are indicators of the 'GhostContainer' malware attempting to establish a socket forwarding proxy through the web server to facilitate command and control communications.
This rule detects HTTP requests directed at Microsoft Exchange Outlook Web Access (OWA) that contain suspicious 'fakePath' and 'fakePageName' parameters in the URI. These parameters are indicators of the 'GhostContainer' malware attempting to establish a socket forwarding proxy through the web server to facilitate command and control communications.
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