Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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Detects DNS queries and HTTP requests associated with the OnyxC2 command and control infrastructure, including specific hardcoded domains and suspicious DNS traffic targeting newly-abused top-level domains (.top, .cyou, .lol).
Detects network activity associated with the 'VPN-for-X' browser extension, specifically targeting communication with external services used for proxy configuration fetching and dead-drop proxy list retrieval. This includes TLS SNI checks for GitHub, Blogspot, and Telegram, as well as specific URI requests for proxy configurations and server lists.
Detects network activity associated with the NarwhalRAT malware, specifically C2 beaconing via HTTP/DNS to known infrastructure and file downloads from staging domains.
Detects HTTP and TLS activity associated with the DSCourier malware, specifically identifying attempts to retrieve configuration files disguised as common non-executable extensions (.jpg, .txt) or utilizing non-standard network ports like 8443, which are characteristic of this threat's command and control behavior.
Detects outbound HTTP POST requests directed to 'kmot.co/board.php', which is associated with Command and Control (C2) activity from the Chinotto Python-based backdoor attributed to APT37.
Detects network activity associated with the FlowerStorm/Storm-1167 phishing campaign. The rule monitors for credential exfiltration to a specific malicious URI (e.g., /google.php) containing login parameters, as well as the delivery of spoofed Microsoft sign-in pages from the associated phishing infrastructure.
Detects network traffic (HTTP, TLS, and DNS) originating from the internal network directed toward Telegram's API endpoints (api.telegram.org) and domains (t.me). This behavior is often associated with the use of the Telegram Bot API as a command-and-control (C2) channel or for data exfiltration by malware.
Detects network traffic (HTTP, TLS, and DNS) originating from the internal network directed toward Telegram's API endpoints (api.telegram.org) and domains (t.me). This behavior is often associated with the use of the Telegram Bot API as a command-and-control (C2) channel or for data exfiltration by malware.
Detects anomalous network behavior consistent with the PolinRider malware, which uses public Ethereum JSON-RPC endpoints and blockchain explorers (e.g., Etherscan.io) as a dead-drop resolver for command-and-control (C2) communication. The rules monitor for specific RPC methods (eth_getTransactionByHash, eth_call, eth_getBalance) over HTTP/TLS and DNS resolution queries to known blockchain explorer infrastructure.
Detects network activity associated with NetSupport Manager remote access software, specifically monitoring for connections to known malicious domains and infrastructure, as well as recurring beaconing patterns indicative of command-and-control behavior.
Detects network communication to a known malicious IP address (45.32.253.166) associated with the PIVOTPIPE RAT using Cobalt Strike C2 beaconing patterns. The rule identifies TCP connections, HTTP GET requests for beacon check-ins, and HTTP POST requests for task responses.
Detects SMB traffic targeting the IPC$ share within the internal network, which is a common behavior of PIVOTPIPE lateral movement techniques using SMB named pipes for peer-to-peer (P2P) beacon communication.
This rule detects network communication to known malicious IP addresses or sessions utilizing TLS certificates that impersonate the Uzbekistan railway authority (azure.uzrailwaystax). This behavior is characteristic of the SpiceRAT/NodeEdgeRAT malware families, which use these specific certificates to establish Command and Control (C2) channels.
Detects exfiltration of sensitive information, including Dahua camera credentials and internal identifiers, to the Telegram Bot API over HTTPS. These rules monitor for specific API endpoints (/sendPhoto) and common credential patterns (Login:, Password:, Model:) or indicators (Shodan links, VKontakte references) within HTTP POST requests directed toward api.telegram.org.
Detects network traffic involving TLS certificates or Server Name Indication (SNI) values that attempt to impersonate the Uzbekistan state railway authority (azure.uzrailwaystax.com). The rules also flag connections associated with certificates issued by 'TLC DV TLS CA' and known C2 infrastructure using the spoofed railway certificate.
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 HTTP POST requests directed to the URI path '/api/credentials' over the non-standard TCP port 8133, which is indicative of AMOS (Atomic macOS) Stealer exfiltrating stolen credentials to a C2 server.
Detects HTTP POST requests directed to the URI path '/api/credentials' over the non-standard TCP port 8133, which is indicative of AMOS (Atomic macOS) Stealer exfiltrating stolen credentials to a C2 server.
Detects network activity associated with the 'ClickFix' social engineering campaign, specifically targeting the 'Macfinger' variant. This involves detecting the fetching of obfuscated tracker JavaScripts (t.js), the delivery of deceptive 'Bot Protection' overlay HTML prompts used to trick users into executing malicious code, and network connections to known C2 infrastructure.
Detects network activity associated with the 'ClickFix' social engineering campaign, specifically targeting the 'Macfinger' variant. This involves detecting the fetching of obfuscated tracker JavaScripts (t.js), the delivery of deceptive 'Bot Protection' overlay HTML prompts used to trick users into executing malicious code, and network connections to known C2 infrastructure.
Detects HTTP and TLS traffic patterns indicative of data exfiltration to Slack, specifically targeting hardcoded Slack API tokens, Slack channel IDs in HTTP request bodies, or traffic directed to hooks.slack.com, commonly associated with malicious npm packages.
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