Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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This rule detects unauthorized modifications to the /etc/sudoers.d/ directory, specifically identifying files with a 'prl-rce-' naming pattern that contain 'NOPASSWD:ALL'. This configuration allows users to execute commands with elevated privileges (root) without requiring a password, which is a common technique used by attackers to maintain persistence and facilitate privilege escalation on Linux systems.
Detects the 'prl_disp_service' process spawning 'tar' with the '--use-compress-program' flag set to an unconventional binary. This behavior is associated with the exploitation of ParaShells (CVE-2026-90894), where an attacker leverages the compression program hook in 'tar' to execute arbitrary commands with root privileges.
Detects the installation of software packages in build or CI pipelines where the package was published to its registry between 30 and 90 days prior to being first used in the environment. This pattern is indicative of potential dependency confusion or typosquatting attacks, where adversaries use newly created packages to deliver malicious code.
Detects the installation of software packages in build or CI pipelines where the package was published to its registry between 30 and 90 days prior to being first used in the environment. This pattern is indicative of potential dependency confusion or typosquatting attacks, where adversaries use newly created packages to deliver malicious code.
Detects anomalous child process execution originating from PaperCut application processes (pc-app.exe) or associated Java processes. This is indicative of post-exploitation activity following an RCE vulnerability where the application server is leveraged to spawn command interpreters, discovery utilities, or ingress tools.
Identifies devices running versions of Chromium-based browsers (such as Chrome) vulnerable to CVE-2026-85046, a V8 type confusion vulnerability that allows remote code execution within the browser sandbox.
Detects DragonForce ransomware note (readme.txt) referencing known DragonForce Tor negotiation/blog onion addresses
Detects instances where Acronis processes spawn common administrative or potentially sensitive utilities (such as chmod, chown, bash, or sudo) while running as a user other than root. This behavior may indicate an attempt to utilize Acronis for privilege escalation or unauthorized command execution on Linux systems.
This rule detects file creation, modification, or renaming activity involving Acronis plugins integrated with web hosting control panels such as cPanel, WHM, or Plesk, where the plugin version is identified as vulnerable. It specifically monitors for versions earlier than 1.9.3 (excluding specifically patched 1.9.3 HF3 versions) that are prone to exploitation.
Detects the creation of an administrator-level user account in a WordPress environment within a one-hour window after the 'Admin Menu Editor Pro' plugin is updated to known trojanized versions (2.35 or 2.36), which is indicative of a backdoor installation.
Detects the creation of files in the /tmp/ directory by common command-line tools (curl, wget, sh, bash), followed shortly by a successful external network connection by the same process from the same device, excluding known benign domains.
Detects JFrog Artifactory access-token issuance events on/after the suspected compromise window (2026-08-28) where the token is tied to the anonymous identity, granted administrator scope, or has no attributable initiating user, per Fastly's remediation guidance.
This rule detects the creation of a .groovy file within a plugin directory related to JFrog Artifactory, followed by the execution of suspicious child processes (e.g., shell, curl, wget) by the Artifactory process within a short timeframe. This behavior is indicative of an attacker attempting to achieve remote code execution by deploying a malicious plugin.
Detects incoming HTTP POST requests to the GitLab '/import' endpoint that attempt to access the internal cloud metadata service (169.254.169.254), indicating an exploitation attempt for vulnerabilities such as CVE-2021-22175 or CVE-2021-39935.
Detects incoming HTTP POST requests to the GitLab '/import' endpoint that attempt to access the internal cloud metadata service (169.254.169.254), indicating an exploitation attempt for vulnerabilities such as CVE-2021-22175 or CVE-2021-39935.
Detects attempts to exploit CVE-2023-2825, a path traversal vulnerability in GitLab. The rule monitors HTTP GET requests to the /uploads/ endpoint containing directory traversal sequences (e.g., ../ or encoded variants) in the URI, indicating an effort to access restricted files on the system.
Detects administrator-privileged actions in JFrog Artifactory audit logs attributed to the 'token:anonymous' identity, the tell-tale signature left when CVE-2026-42018 (unauthenticated token retrieval) is chained with CVE-2026-42016 (privilege escalation) to mint an admin-scope token that retains the anonymous username. Also relevant to CVE-2026-82329 authentication bypass activity.
Detects administrator-privileged actions in JFrog Artifactory audit logs attributed to the 'token:anonymous' identity, the tell-tale signature left when CVE-2026-42018 (unauthenticated token retrieval) is chained with CVE-2026-42016 (privilege escalation) to mint an admin-scope token that retains the anonymous username. Also relevant to CVE-2026-82329 authentication bypass activity.
Detects administrator-privileged actions in JFrog Artifactory audit logs attributed to the 'token:anonymous' identity, the tell-tale signature left when CVE-2026-42018 (unauthenticated token retrieval) is chained with CVE-2026-42016 (privilege escalation) to mint an admin-scope token that retains the anonymous username. Also relevant to CVE-2026-82329 authentication bypass activity.
Detects Java-based Metasploit/Meterpreter payload files (.class/.jar) dropped post-exploitation, as observed following PaperCut RCE exploitation chain
Detects rapid ICMP (ping) traffic directed towards specific internal and external hosts, characteristic of the RedTail Linux malware attempting to perform network discovery or validate connectivity to command-and-control infrastructure.
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