Detections

Explore public detection logic contributed by the community across SIEM and rule languages.

2,431 detections

This rule detects network traffic directed at known command and control (C2) domains associated with the Koktevrat malware, specifically targeting the domain 'fb-market-play.cc'. This pattern is indicative of compromised hosts attempting to communicate with attacker infrastructure, often following an initial infection phase initiated via malicious links.
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Arnold Chan@slaz
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Detections.ai Community
1 month ago
005
Detects attempts to exploit the GitLab commits API via path traversal or direct file path manipulation to access sensitive configuration files or system secrets, such as gitlab-secrets.json, database.yml, or system files like /etc/passwd.
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Ali AlEnezi@site
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Detections.ai Community
2 months ago
0012
Detects HTTP connections between internal hosts and suspected C2 infrastructure associated with the Operation SilkParasite campaign. The rule specifically monitors for connections to known malicious IPs and identifies the retrieval of a cloned RTX Corporation homepage content, which acts as a decoy for the SpiceRAT malware.
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Ibrahim Saud@tektrix
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Detections.ai Community
1 month ago
002
Detects HTTP POST requests to the Telegram Bot API (/sendPhoto) containing patterns indicative of data exfiltration. The rule identifies suspicious message content, such as URLs leading to VK.com or reconnaissance data like Shodan host links and IP location query templates, suggesting the use of Telegram as a Command and Control (C2) channel for exfiltrating sensitive information.
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Ibrahim Saud@tektrix
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Detections.ai Community
1 month ago
002
Detects outbound HTTP requests to the Telegram Bot API that indicate the exfiltration of sensitive camera credentials or snapshots. The rules identify specific API endpoints such as '/sendPhoto' and the presence of Markdown-formatted text containing 'Login:', 'Password:', and 'Model:' fields within the request body.
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Ibrahim Saud@tektrix
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Detections.ai Community
1 month ago
002
Detects exploit attempts targeting the authentication bypass vulnerability in Dahua NetKeyboard devices (CVE-2021-33044) by monitoring HTTP requests containing malicious 'global.login' RPC parameters.
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Ibrahim Saud@tektrix
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Detections.ai Community
1 month ago
002
Detects unauthenticated HTTP POST requests targeting the FortiGate administrative API (/api/v2/), which may indicate exploitation attempts related to CVE-2025-25249. The rule specifically looks for requests lacking authentication headers (Cookie or Authorization).
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Arnold Chan@slaz
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Hunters
2 months ago
008
Detects an attempt to exploit CVE-2026-24858 in FortiCloud SSO by sending a crafted SAML authentication request that lacks a signature. This vulnerability allows an attacker to bypass authentication by providing an unsigned SAML response.
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Arnold Chan@slaz
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Midnight Slayer
2 months ago
008
This rule detects network activity associated with the SilverFox malware, specifically targeting communication patterns between the compromised host and identified relay infrastructure. The detection focuses on unique URL query patterns for relay discovery and dispatcher requests, as well as the identification of staging/download links within server responses.
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Ibrahim Saud@tektrix
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Detections.ai Community
1 month ago
104
This rule detects repeated HTTP POST requests to a Polygon blockchain endpoint ('eth_call') containing specific contract address and method identifiers. This behavior is indicative of 'EtherHiding', a technique where attackers use blockchain smart contracts to host malicious C2 configurations or update C2 infrastructure, allowing for stealthy dynamic command and control rotation.
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Ibrahim Saud@tektrix
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Detections.ai Community
1 month ago
001
This rule detects network traffic indicative of N0va Phishkit verification or session initialization. It looks for specific GET request URI parameters (/api/verification/init?session=, flow=, prompt_profile=) that align with the initial handshake phase of this phishing kit, which is often used for credential and session cookie theft.
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Arnold Chan@slaz
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Detection & Hunting Community
1 month ago
006
Detects attempts to exploit a path traversal vulnerability in the GitLab commits API, specifically targeting the /api/v4/projects/ repository/commits path. The rule monitors for directory traversal patterns such as .. or url-encoded variations in conjunction with file paths, which could allow unauthorized access to files outside the intended directory.
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Ali AlEnezi@site
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Detections.ai Community
2 months ago
0011
This rule detects attempts to exploit a path traversal vulnerability (CVE-2024-21762) in FortiOS SSL-VPN by monitoring for malformed GET requests targeting the /remote/fgt_lang endpoint. The rule also tracks successful exploitation by identifying HTTP 200 responses containing Linux password file patterns (root:x:0:0:), indicating potential remote file disclosure.
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Arnold Chan@slaz
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Hunters
2 months ago
108
Detects HTTP responses containing JavaScript-based anti-bot challenge pages consistent with the GhostCode toolkit, and subsequent HTTP requests containing tracking tokens used for victim verification after passing the challenge.
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Ibrahim Saud@tektrix
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Detections.ai Community
1 month ago
004
This rule detects potential credential stuffing attempts against a Fortinet FortiGate SSL VPN portal. It triggers when an external source performs multiple HTTP POST requests to the /remote/login endpoint within a short period, accompanied by the FortiGate-specific header, which is indicative of automated brute-force or credential stuffing activity associated with the 'FortiBleed' campaign pattern.
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Ibrahim Saud@tektrix
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Detections.ai Community
1 month ago
104
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.
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Arnold Chan@slaz
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Detection & Hunting Community
1 month ago
003
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.
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Arnold Chan@slaz
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Midnight Slayer
1 month ago
003
Detects outbound HTTP POST requests directed at a known StealC command-and-control IP address. The rule identifies suspicious beaconing behavior by looking for POST requests that lack a standard User-Agent, do not utilize common HTTP content types, and contain a request body exceeding 16 bytes, suggesting custom binary protocol usage.
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Arnold Chan@slaz
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Hunters
1 month ago
003
Detects outbound HTTP POST requests directed at a known StealC command-and-control IP address. The rule identifies suspicious beaconing behavior by looking for POST requests that lack a standard User-Agent, do not utilize common HTTP content types, and contain a request body exceeding 16 bytes, suggesting custom binary protocol usage.
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Arnold Chan@slaz
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Midnight Slayer
1 month ago
003
Detects unauthorized attempts to request an AWS token via the JFrog Artifactory API, specifically targeting a vulnerability identified as CVE-2026-42018. The rule triggers when a POST request is made to the '/access/api/v1/aws/token/' endpoint without an Authorization header, indicating potential exploitation of an anonymous token request flaw.
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Ali AlEnezi@site
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Detections.ai Community
2 months ago
0010
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.
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Arnold Chan@slaz
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Detection & Hunting Community
1 month ago
004
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