Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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Detects the 'ted' backdoor or similar malicious activity attempting to manipulate HAProxy's internal connection counters by accessing or writing to the HAProxy process memory (/proc/[pid]/mem or /proc/self/mem). This behavior is characteristic of an attempt to evade backend logging and statistics tracking by directly modifying process memory structures.
This rule detects the presence of specific file hashes known to be associated with backdoored software builds, specifically related to recent supply chain compromises affecting South Korean software vendors (e.g., HAProxy builds). It monitors device file events, process initiation, and identity logon events to identify systems that have deployed, executed, or been accessed by these malicious binaries.
Detects instances where LiteLLM, or related Python application processes (uvicorn, python), spawn a shell or command-line utility (bash, sh, id) under the root user account. This behavior is indicative of potential container breakout, application exploitation, or privilege escalation attempts originating from a web-accessible service.
Detects requests to a LiteLLM proxy that have been assigned the 'PROXY_ADMIN' role despite the absence of valid authentication credentials (Authorization headers, JWT tokens, or OAuth2 tokens). This pattern typically indicates that the LiteLLM instance is misconfigured, specifically that a 'master_key' is missing, causing the proxy to default to a permissive mode where every request is treated as having administrative privileges.
Detects instances where a LiteLLM proxy is utilized to invoke sensitive Model Context Protocol (MCP) tools (e.g., database, github, slack, jira, ci/cd) while authentication is bypassed ('allow_all_keys=true') and no explicit API key is provided. This indicates a potential unauthorized access attempt to sensitive integrations via a misconfigured proxy.
This rule detects internal network activity (DNS queries, network connections, and security logs) communicating with domains associated with the GhostCode phishing kit. These domains are typically used to host credential harvesting pages or phishing infrastructure.
Detects execution of shell interpreters (tar, sh, bash) by the Parallels Desktop dispatcher service (prl_disp_service) or usage of compression flags containing specific markers associated with UCP/ACTOR privilege escalation patterns, specifically when executed with root privileges or by a root user.
Detects execution of shell interpreters (tar, sh, bash) by the Parallels Desktop dispatcher service (prl_disp_service) or usage of compression flags containing specific markers associated with UCP/ACTOR privilege escalation patterns, specifically when executed with root privileges or by a root user.
Detects execution of shell interpreters (tar, sh, bash) by the Parallels Desktop dispatcher service (prl_disp_service) or usage of compression flags containing specific markers associated with UCP/ACTOR privilege escalation patterns, specifically when executed with root privileges or by a root user.
Detects execution of shell interpreters (tar, sh, bash) by the Parallels Desktop dispatcher service (prl_disp_service) or usage of compression flags containing specific markers associated with UCP/ACTOR privilege escalation patterns, specifically when executed with root privileges or by a root user.
Detects interactive root shell requests via 'sudo -i' that occur shortly after a failed Parallels appliance installation or tar extraction event containing specific error codes or configuration markers (UCP_UID=0). This pattern aligns with the exploitation chain for CVE-2026-90894, where an attacker leverages an extraction failure to escalate privileges.
Detects interactive root shell requests via 'sudo -i' that occur shortly after a failed Parallels appliance installation or tar extraction event containing specific error codes or configuration markers (UCP_UID=0). This pattern aligns with the exploitation chain for CVE-2026-90894, where an attacker leverages an extraction failure to escalate privileges.
Detects the use of the 'tar' utility with the '--use-compress-program' flag, where the compression program specified is not a standard system compression tool. This pattern is commonly used by attackers to execute arbitrary payloads when tar extracts malicious archives.
Detects the use of the 'tar' utility with the '--use-compress-program' flag, where the compression program specified is not a standard system compression tool. This pattern is commonly used by attackers to execute arbitrary payloads when tar extracts malicious archives.
Detects the use of the 'tar' utility with the '--use-compress-program' flag, where the compression program specified is not a standard system compression tool. This pattern is commonly used by attackers to execute arbitrary payloads when tar extracts malicious archives.
Detects a Parallels appliance tar archive containing a directory entry name with an embedded double-quote character followed by the --use-compress-program flag, characteristic of the ParaShells (CVE-2026-90894) tar argument-injection payload
Detects suspicious execution of the 'tar' utility spawned by 'prl_disp_service' (Parallels Desktop service) using potentially malicious command-line arguments. The rule specifically flags the use of '--use-compress-program' or the inclusion of double quotes in the command line, which are often used to achieve arbitrary code execution via shell injection in this context.
Detects suspicious execution of the 'tar' utility spawned by 'prl_disp_service' (Parallels Desktop service) using potentially malicious command-line arguments. The rule specifically flags the use of '--use-compress-program' or the inclusion of double quotes in the command line, which are often used to achieve arbitrary code execution via shell injection in this context.
Detects the creation of files or folders containing suspicious command-line parameters associated with tar or Parallels toolchain injection, specifically looking for the 'use-compress-program' flag which can be abused for command injection.
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.
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.
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