Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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Detects unauthorized modification of system cron files by the redis-server process, indicative of rogue redis replication exploitation, followed by the execution of a cron job associated with the XMRig cryptocurrency miner.
Detects credential-spraying activity against WordPress sites where an actor performs a sequence of POST requests targeting both xmlrpc.php (typically the 'wp.getUsersBlogs' method) and wp-login.php. The rule specifically identifies attackers that attempt to evade detection or increase success rates by falling back to wp-login.php after initially using XML-RPC within a short duration.
Detects a suspicious sequence where a Python process is spawned by a 'marimo' notebook process, followed immediately by an outbound SSH connection attempt from the same device. This pattern is indicative of automated or scripted lateral movement where a notebook environment is abused as a jump-point for command execution on remote systems.
This rule detects a suspicious sequence of events indicative of a Redis Lua sandbox escape. It monitors for a network connection to Redis (port 6379) followed shortly by the redis-server process reading the system's /etc/passwd file, which is a known indicator of an attempted arbitrary file read via the EVAL command.
Detects outbound network connections to known JWR phishing framework endpoints. The rule identifies suspicious interaction sequences, including initial beaconing via 'addClick' or 'getSyncSettings' followed by exfiltration of sensitive data (payment card info, OTPs) through POST requests to 'the_final_interface' or 'addCvv', or via a specific WebSocket channel pattern.
Detects outbound network requests to VAPI.ai APIs that are associated with the initiation of AI-powered voice agents. This telemetry can indicate the use of automation or malicious scripts, such as those used by AnonyMousKIT to launch persona-based voice phishing (vishing) campaigns.
Detects the AnonyMousKIT vishing activity pattern by monitoring Twilio API call creation events followed by specific status or gather webhook callbacks from the same host within a one-hour window, consistent with automated voice phishing to collect DTMF-entered passcodes.
This rule detects DNS lookups, email URL clicks, and network connections involving lookalike domains that mimic Singaporean government or infrastructure services (e.g., LTA, OneMotoring, ERP, Gov.sg). It employs a regex-based pattern match for common brand-keywords combined with high-risk top-level domains, identifying potential phishing activity associated with the JWR framework that utilizes algorithmically varied, single-suffix rotated lookalike domains.
Detects SVG files containing embedded ECMAScript that executes a client-side redirect to a known AiTM phishing or C2 domain, specifically targeting the Mirage2FA delivery mechanism.
Detects HTML, XHTML, or SVG files used in Mirage2FA phishing campaigns. These files act as stagers by constructing hidden iframes to load remote JavaScript payloads from '/api/xls/' paths, utilizing specific placeholder tokens and obfuscation techniques such as XOR deobfuscation (0xAD) and custom function wrappers.
Detects indicators associated with the exploitation of CVE-2025-3248 in Langflow. The rule identifies anomalous web requests targeting the /api/v1/validate/code endpoint, subsequent suspicious process creation (base64 encoded payloads in Python/shell), and network communication with identified command and control (C2) or data exfiltration IP addresses. It also includes alerts for observed contact with known extortion email addresses.
Detects indicators associated with the exploitation of CVE-2025-3248 in Langflow. The rule identifies anomalous web requests targeting the /api/v1/validate/code endpoint, subsequent suspicious process creation (base64 encoded payloads in Python/shell), and network communication with identified command and control (C2) or data exfiltration IP addresses. It also includes alerts for observed contact with known extortion email addresses.
Detects web requests to 'wp-admin/theme-install.php' containing suspicious query parameters that indicate an attempt to force an unauthenticated theme installation via a Cross-Site Request Forgery (CSRF) exploit (Click2Shell). The rule identifies requests with malicious payloads in the 'theme' parameter, specifically looking for indicators that attempt to bypass CSRF protections when originating from an external site or a non-admin session context.
This rule detects command-line activity where a remote resource is downloaded via 'curl', decoded using 'base64', and then piped directly into a shell interpreter (sh, bash, or zsh). This pattern is commonly used in fileless execution or stage-one payload delivery by attackers to execute malicious scripts directly from memory.
This rule monitors network connections, file events, and process execution command lines for references to a list of known malicious URLs, including indicators associated with ClearFake, IClickFix, AMOS, Remus, and Mozi botnet payloads.
Detects the creation of 'auth_codes.json' files within directories containing 'seria' in their path. This file is known to be used to store MD5-derived 8-character hex recovery codes for Dahua devices, allowing for password bypass or recovery via the easy4ipcloud.com portal without valid credentials.
Detects anomalous activities within CI/CD runner environments, specifically targeting unauthorized processes attempting to access OIDC identity tokens or executing package publication commands (e.g., npm, twine) outside of standard runner execution workflows. This technique is consistent with supply chain compromise efforts to exfiltrate identity tokens and publish malicious artifacts.
Detects anomalous child processes spawned by a Langflow server process that subsequently search for sensitive information, such as cloud credentials or database connection strings, within the command line arguments. This behavioral pattern is indicative of remote code execution exploitation followed by credential harvesting, potentially targeting vulnerabilities like CVE-2026-33017.
This rule detects instances where the Terraform CLI tool connects to suspected lookalike domains associated with supply chain compromise attempts (e.g., hashicorp-aws[.]com or hashicorp-terraform[.]io) during common initialization or application workflows. It correlates process execution with network connection logs and optionally validates the presence of a related .terraform.lock.hcl file associated with the malicious origin.
This rule detects instances where the Terraform CLI tool connects to suspected lookalike domains associated with supply chain compromise attempts (e.g., hashicorp-aws[.]com or hashicorp-terraform[.]io) during common initialization or application workflows. It correlates process execution with network connection logs and optionally validates the presence of a related .terraform.lock.hcl file associated with the malicious origin.
The following analytic identifies attempts to inject Log4Shell JNDI payloads via web calls. It leverages the Web datamodel and uses regex to detect patterns like `${jndi:ldap://` in raw web event data, including HTTP headers. This activity is significant because it targets vulnerabilities in Java web applications using Log4j, such as Apache Struts and Solr. If confirmed malicious, this could allow attackers to execute arbitrary code, potentially leading to full system compromise. Immediate investigation is required to determine if the attempt was successful and to mitigate any potential exploitation.
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