Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
5,156 detections
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Detects network activity and HTTP traffic associated with the Iron Man System kit, specifically targeting hardcoded C2 infrastructure (IP-based) and lure domain patterns involving specific brand tokens combined with disposable TLDs.
Detects host-based activity or network communication associated with the SloppyRAT remote access trojan. The rule monitors for specific malicious file hashes and connection attempts to known C2 IP addresses and domains.
Detects host-based activity or network communication associated with the SloppyRAT remote access trojan. The rule monitors for specific malicious file hashes and connection attempts to known C2 IP addresses and domains.
Detects host-based activity or network communication associated with the SloppyRAT remote access trojan. The rule monitors for specific malicious file hashes and connection attempts to known C2 IP addresses and domains.
This rule detects potential Device Code Phishing (OAuth 2.0 device authorization) attempts by monitoring HTTP requests to the Microsoft device authorization endpoint (login.microsoftonline.com/common/oauth2/deviceauth) that originate from a suspicious referrer domain ending in .de. This behavior is indicative of an attacker-controlled landing page directing users to authenticate their device.
Detects network activity associated with the 'ClickFix' campaign, specifically targeting DNS queries, TLS SNI, HTTP Host headers, and direct IP connections to known malicious infrastructure domains (cdnsuicaches.com, mnl.ac) and exfiltration endpoints (23.227.198.199).
Detects network activity associated with the 'ClickFix' campaign, specifically targeting DNS queries, TLS SNI, HTTP Host headers, and direct IP connections to known malicious infrastructure domains (cdnsuicaches.com, mnl.ac) and exfiltration endpoints (23.227.198.199).
Detects network activity associated with the 'ClickFix' campaign, specifically targeting DNS queries, TLS SNI, HTTP Host headers, and direct IP connections to known malicious infrastructure domains (cdnsuicaches.com, mnl.ac) and exfiltration endpoints (23.227.198.199).
Detects network activity associated with the 'ClickFix' campaign, specifically targeting the cdnsuicaches[.]com domain. The rules identify the initial DNS query, the subsequent TLS SNI connection, and the retrieval of malicious JavaScript containing the 'cookie-captcha-complete' overlay signature. This behavior is indicative of a browser-based social engineering attack.
Detects outbound network connections from internal devices to a set of known malicious IP addresses (45.151.45.31 and 46.166.79.31) which may indicate command and control communication or other malicious activity.
This rule detects potential exploitation activities targeting Atlassian Confluence by monitoring for unauthorized access to administrative configuration actions (e.g., setup/setupadministrator.action) and the subsequent addition of accounts to the 'confluence-administrators' group. It correlates process execution, network request patterns, and local user account modifications to identify successful or attempted privilege escalation and configuration manipulation.
Detects network connections to command-and-control infrastructure associated with the JeetBot/Twitch Enhanced Viewer malicious browser extension. The rule triggers on connections to known malicious domains or IPs, as well as specific API endpoints on ambiguous domains that are used for exfiltrating Twitch OAuth tokens.
This rule detects activity matching known indicators of compromise (IOCs) associated with recent Russian espionage campaigns, including malicious domains, IP addresses, email senders, file names, and file hashes. It monitors network, sign-in, email, process, and file events across enterprise systems.
This rule detects network traffic containing specific API paths or hardcoded tokens known to be associated with suspicious or malicious activity, potentially indicating command-and-control (C2) communication or unauthorized interaction with a web service.
Detects network connections to known FLATROOF and ROOFDECK C2 infrastructure used by Jade Sleet/TraderTraitor (UNC4899, Lazarus) in campaigns targeting IT services and DevOps engineers.
Detects network connections to known FLATROOF and ROOFDECK C2 infrastructure used by Jade Sleet/TraderTraitor (UNC4899, Lazarus) in campaigns targeting IT services and DevOps engineers.
This rule detects outbound network connections from internal devices to a list of known malicious IP addresses associated with adversary command and control infrastructure. The rule specifically monitors connections over common ports, potentially indicating established communication with malicious servers.
Detects outbound network connections to specific disposable Cloudflare workers.dev subdomains identified as part of the KREMLIN (REF9334) C2 infrastructure.
This rule detects network traffic patterns associated with the RatHat Android malware. Specifically, it monitors for HTTP requests targeting the '/api/sapp' or '/api/bapp' URIs, which are used by this malware for C2 evasion or to retrieve its block list.
Detects the initialization of an FRP (Fast Reverse Proxy) protocol connection, characterized by a specific 3-byte null sequence followed by the 'frp' string marker in the packet header. This pattern is often associated with the RatHat malware using FRP to establish covert reverse tunnels for command-and-control communication.
Detects network traffic containing configuration parameters associated with RatHat Android malware (FrpsAddr, FrpsPort, FrpsToken), indicating an attempt to establish a reverse tunnel to a Command and Control server for remote access or proxying.
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