Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
1,052 detections
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Detects execution of the 'socat' utility with command-line arguments indicating the establishment of a network listener. Socat is a multipurpose relay tool that can be abused by adversaries for pivoting, proxying traffic, or creating reverse shells by establishing listener ports.
Detects execution of processes masquerading as system threads (e.g., [kcached], [rcu_preempt]) that utilize the command-line flag 'exec -a' and include indicators associated with 'gs-dbus' or specific port configurations (GS_PORT=53). This pattern is often associated with obfuscated command-and-control or malicious persistence mechanisms that attempt to hide within common system process names.
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 database or archiving command-line utilities to export data related to RADIUS services. The rule filters out known backup service accounts and authorized backup processes, flagging activity that occurs outside of standard business hours or is performed by accounts not explicitly designated for administrative or database maintenance tasks.
Detects access to Gitea secrets and configuration (app.ini, JWT secrets, SSH host keys, deploy keys) via file writes/renames or process command lines referencing those paths alongside Gitea, matching the secret-extraction tradecraft observed in the Red Heron campaign.
Detects access to Gitea secrets and configuration (app.ini, JWT secrets, SSH host keys, deploy keys) via file writes/renames or process command lines referencing those paths alongside Gitea, matching the secret-extraction tradecraft observed in the Red Heron campaign.
Detects the presence of PHP web shell code within the Admin Menu Editor Pro WordPress plugin directory. This rule targets indicators of a supply chain compromise where a legitimate plugin update is backdoored to include malicious PHP code designed for remote command execution via HTTP requests.
Detects instances where a process running as 'root' modifies files within an Acronis-related directory. This specifically alerts when the modifying process is not identified as a known, authorized Acronis backup service, potentially indicating unauthorized tampering with backup archives or configuration files.
The rule detects the deletion of specific log files ('Udydn.out', 'server.log', or 'derby.log') which are often associated with application operations or internal debugging. Adversaries may delete these logs to conceal their activities, remove indicators of compromise, or interfere with forensic analysis.
Detects the use of command-line tools like find and grep to recursively search the filesystem for files containing sensitive information, such as configuration files, environment variables, database credentials, and digital wallet keys. This behavior is indicative of an attacker performing automated discovery of credentials and secrets.
This rule detects high-frequency account and email address enumeration attempts. It monitors syslog data for SMTP commands such as VRFY, EXPN, or RCPT TO, and analyzes Microsoft Entra ID (SigninLogs) for authentication failures specifically associated with error code 50034 (user not found). Both behaviors are indicative of an adversary attempting to validate user identities within an environment, often as a precursor to targeted phishing or brute-force attacks.
Detects unauthenticated requests to the WordPress admin-ajax.php endpoint utilizing the 'super_create_nonce' action. This action allows an unauthenticated user to generate a valid session nonce, which is a critical bypass mechanism often required for the exploitation of vulnerabilities within the Super Forms plugin, such as CVE-2026-14894.
Detects the initialization of PostgreSQL logical replication slots using uncommon or unrecognized output plugins. Attackers may leverage logical replication plugins to exfiltrate data from a database by streaming changes as they occur, which can be an alternative to traditional mass-export techniques.
Detects unauthenticated requests to the WordPress admin-ajax.php endpoint utilizing the 'super_create_nonce' action. This action allows an unauthenticated user to generate a valid session nonce, which is a critical bypass mechanism often required for the exploitation of vulnerabilities within the Super Forms plugin, such as CVE-2026-14894.
Detects shell/install scripts that deploy an XMRig-based Monero cryptominer, consistent with the install script planted on the LeakySensey git repository server
Detects shell/install scripts that deploy an XMRig-based Monero cryptominer, consistent with the install script planted on the LeakySensey git repository server
Detects lateral movement activity where a host identified as running the Langflow framework attempts to connect to internal MySQL (3306) or Nacos (8848) services while utilizing root credentials, potentially indicating an attacker pivoting from a compromised application server.
Detects lateral movement activity where a host identified as running the Langflow framework attempts to connect to internal MySQL (3306) or Nacos (8848) services while utilizing root credentials, potentially indicating an attacker pivoting from a compromised application server.
Detects the execution of PostgreSQL dump utilities (pg_dump, pg_dumpall) initiated directly by application-level processes like Langflow or Python, rather than through standard system-level task schedulers. This behavior is indicative of unauthorized data collection or staging of database contents by an application process.
Detects embedded CVE-2026-46300 (Fragnesia) Linux privilege escalation exploit code used by KATARU IoT malware, copied unmodified from public PoC
Detects the use of 'COPY TO PROGRAM' syntax within Cisco Email Security Appliance (ESA) logs. This pattern is indicative of potential command injection or OS command execution attempts often associated with exploitation of database-related functionalities, specifically targeting Cisco ESA management or backend interfaces.
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