Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
5,155 detections
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This rule set detects web traffic associated with 'GhostCode' phishing campaigns. These campaigns utilize Cloudflare Turnstile verification gates on non-Cloudflare domains, specific phishing page titles, and session cookies ('turnstile_verified', 'cf_clearance') to facilitate device code phishing or credential harvesting activities.
Detects network traffic patterns indicative of unauthorized or malicious APK sideloading attempts, specifically targeting fake Google Play delivery mechanisms, lure domains, and known command-and-control (C2) infrastructure.
Detects network traffic patterns indicative of unauthorized or malicious APK sideloading attempts, specifically targeting fake Google Play delivery mechanisms, lure domains, and known command-and-control (C2) infrastructure.
Detects network traffic patterns indicative of unauthorized or malicious APK sideloading attempts, specifically targeting fake Google Play delivery mechanisms, lure domains, and known command-and-control (C2) infrastructure.
Detects network traffic patterns indicative of unauthorized or malicious APK sideloading attempts, specifically targeting fake Google Play delivery mechanisms, lure domains, and known command-and-control (C2) infrastructure.
Detects anomalous C2 traffic associated with SectopRAT that leverages JSON-RPC 'eth_call' methods on 'binance.org'. The detection monitors for a specific POST request pattern followed by a response containing 'START' and 'FINISH' markers within the result field, indicating command-and-control communication disguised as blockchain interactions.
Detects rapid rotation of Herokuapp subdomains associated with Google Ads identifiers. This behavior is characteristic of malvertising kits attempting to evade domain-based blocking by dynamically shifting infrastructure and campaign IDs in a short rolling window.
Detects rapid rotation of Herokuapp subdomains associated with Google Ads identifiers. This behavior is characteristic of malvertising kits attempting to evade domain-based blocking by dynamically shifting infrastructure and campaign IDs in a short rolling window.
Detects rapid rotation of Herokuapp subdomains associated with Google Ads identifiers. This behavior is characteristic of malvertising kits attempting to evade domain-based blocking by dynamically shifting infrastructure and campaign IDs in a short rolling window.
Detects network activity associated with shellcode staging, specifically requests to the domain 'deadhub.org' or its specific IP address using hardcoded paths that mimic static UI assets. This activity is indicative of a loader fetching malicious fragments for in-memory execution.
Monitors network connections initiated by the Logitech Options Plus agent process (logioptionsplus_agent.exe) on a specified host. This rule facilitates tracking of outbound communications generated by this background service.
This rule monitors endpoint telemetry for known indicators of compromise associated with the Casbaneiro/Ousaban banking trojan. It identifies activity across network connections (IPs and domain patterns), DNS queries for specific C2 domains, and the presence or execution of known malicious file hashes (e.g., PDF lures, HTA, AutoIt scripts, and payload binaries).
This rule monitors for network connections and process activities associated with known malicious indicators, including file hashes, C2 IP addresses, domains, and specific URLs. It maps these activities to identify potential command and control communication or other malicious network activity occurring on endpoints.
IOC hunt for the HEAVYGRAM/CRUDEEXCLUDE campaign: matches known SHA256 file hashes (first-stage malware, implant, RAR/ZIP artefacts) via DeviceFileEvents and DeviceProcessEvents, plus known-malicious domains/staging infrastructure by parsed hostname across network connections, process command lines, and file origin URLs.
This rule detects network activity associated with known command-and-control (C2) infrastructure. It monitors for connections to specific malicious domains, IP addresses, or URI paths combined with unique HTTP headers or request body markers indicative of C2 beacons or data exfiltration.
Detects the SMB share discovery pattern associated with the DragonForce ransomware, where the system enumerates network shares (excluding ADMIN$) followed by unauthorized bulk write operations to these shares, indicating potential lateral movement and file encryption.
Detects network traffic containing a specific 4-byte sequence ('13 12 11 09') identified as the initial handshake packet for the SparroWocky malware's reverse port-mapping server component.
This rule detects malicious activity by monitoring for specific known indicators, including hashes of malicious files (ProcessRollup2), network connections to known C2 infrastructure (NetworkConnectIP4), and URL clicks (UrlClick) associated with malicious domains or paths. It acts as a multi-stage indicator correlation rule to identify execution or communication with known threats.
This rule detects potential malicious activity by monitoring for known indicators of compromise, including specific SHA256 file hashes, a known malicious IP address, and URLs associated with identified threats. The detection spans file creation/execution, network connections, and URL visits to block or alert on interactions with suspicious infrastructure.
This rule monitors DeviceNetworkEvents for any outbound network connections to a specific list of known malicious domains. The rule identifies potential command and control (C2) communication by matching remote URLs against a hardcoded set of domains associated with known threats.
Detects network and DNS activity associated with the SideCopy threat group, specifically monitoring for connections to known C2 domains, C2 IP addresses, or the usage of port 5863 typically associated with the ReverseRAT backdoor.
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