Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
301 detections
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Detects network activity related to the SilverFox modular malware framework, including relay/dispatcher discovery, contact with known C2 infrastructure (noah-ssh.com.cn and Cloudflare Workers), and specific HTTP response patterns associated with its relay discovery process.
Detects HTTP POST requests to the Telegram Bot API (/sendPhoto) containing structured string patterns typical of exfiltrated Dahua camera credentials, including login, password, port, location, and channel information. This indicates an automated exfiltration attempt where stolen device credentials are sent to an adversary-controlled Telegram bot.
This rule detects HTTP traffic patterns consistent with a Golang-based Remote Access Trojan (RAT) beaconing to a command and control (C2) server. It monitors for specific fitness-themed URI paths used for C2 communication and identifies the use of a hardcoded domain ('monitorondomainwintgt') within both the HTTP Host header and the TLS SNI field.
This rule detects network traffic patterns indicative of the Transparent Tribe threat group using the GitHub API for command-and-control (C2) operations. It specifically identifies HTTP requests to GitHub's content API that attempt to access or exchange files named 'command.txt', 'results.txt', 'heartbeat.txt', or 'screenshot.png', which are known indicators of this actor's C2 communication strategy.
Detects DNS queries, HTTP requests, and TLS connections associated with known APT36 (Transparent Tribe) malicious infrastructure, specifically targeting typosquatted news domains used for staging payloads.
Detects outbound HTTP requests to known Kimsuky command and control (C2) infrastructure associated with the Stella_Gary campaign. The rule monitors for specific URI patterns ('/unicorn/mort.php' or '/unicorn/uni.txt') commonly used by this threat actor for beaconing.
This rule detects HTTP requests directed at suspicious URI patterns associated with 'LeakySensey' logs. It specifically monitors for attempts to access transaction or compromise log endpoints, which could indicate an attacker attempting to enumerate leaked data or verify compromised credentials from an exposed log repository.
Detects the execution of the Cloudflare Tunnel client (cloudflared.exe) on Windows endpoints by monitoring process command line arguments, such as 'tunnel', 'run', or 'proxy-dns'. This tool can be used to establish unauthorized remote access tunnels, potentially bypassing firewall configurations.
Detects network activity associated with the KREMLIN browser extension communicating with a known command and control domain (luizestrelhashapr.online). The rule monitors DNS queries, TLS SNI connections, and HTTP WebSocket upgrade requests to identify potential C2 communication.
Detects network traffic initiated by the WeaselBiscuit loader targeting api.npoint.io, a known free JSON storage service often abused by adversaries as a dead drop resolver for Command and Control (C2) configurations or secondary payloads.
Detects network traffic initiated by the WeaselBiscuit loader targeting api.npoint.io, a known free JSON storage service often abused by adversaries as a dead drop resolver for Command and Control (C2) configurations or secondary payloads.
Detects network traffic initiated by the WeaselBiscuit loader targeting api.npoint.io, a known free JSON storage service often abused by adversaries as a dead drop resolver for Command and Control (C2) configurations or secondary payloads.
Detects network activity associated with the Handala Loader malware, specifically identifying attempts to download disguised shellcode or malicious payloads from deadhub.org and associated infrastructure. The rule monitors for specific URI patterns mimicking UI assets and fallback communication attempts to known C2 IP addresses.
Detects HTTP traffic patterns associated with C2 infrastructure challenges, specifically looking for anti-bot/anti-scanner responses containing specific JavaScript variables ('badAgents', 'js_enabled=1') and subsequent client-side validation requests containing a specific token structure and 'check=1' parameter.
Detects outbound HTTP requests to known Kimsuky command and control (C2) infrastructure associated with the Stella_Gary campaign. The rule monitors for specific URI patterns ('/unicorn/mort.php' or '/unicorn/uni.txt') commonly used by this threat actor for beaconing.
Detects outbound HTTP requests to known Kimsuky command and control (C2) infrastructure associated with the Stella_Gary campaign. The rule monitors for specific URI patterns ('/unicorn/mort.php' or '/unicorn/uni.txt') commonly used by this threat actor for beaconing.
Detects outbound network communication patterns (DNS lookups and TLS SNI traffic) associated with the Koktevrat Android RAT. The rule monitors for connections to known malicious domains used for command-and-control (C2) operations.
Detects outbound network communication patterns (DNS lookups and TLS SNI traffic) associated with the Koktevrat Android RAT. The rule monitors for connections to known malicious domains used for command-and-control (C2) operations.
Detects outbound network communication patterns (DNS lookups and TLS SNI traffic) associated with the Koktevrat Android RAT. The rule monitors for connections to known malicious domains used for command-and-control (C2) operations.
Detects network activity (DNS queries, TLS SNI, and HTTP requests) directed towards the 'web12api.com' domain, as well as specific HTTP response structures commonly associated with adversary registration or command-and-control communication protocols.
Detects network activity associated with the Mantax/Otax Android malware family, specifically identifying C2 communication to the domain apimantax.otax.fun via TLS SNI and HTTP host headers, as well as potential dynamic C2 configuration retrieval via GitHub using the OkHttp client.
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