Detections

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

159 detections

Detects potential database ransomware activity by correlating the usage of AES_ENCRYPT for record modification, followed by the dropping of tables and the insertion of ransom notes containing specific contact keywords (e.g., bitcoin, proton mail) within database queries or system logs.
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Ibrahim Saud@tektrix
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Detections.ai Community
1 month ago
002
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.
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Arnold Chan@slaz
Defender - KQL
1 month ago
103
Detects unauthorized creation of a WordPress administrator account through direct SQL injection or manual database modification by monitoring for insertions into the 'wp_users' table or modifications to the 'wp_usermeta' table with 'administrator' capabilities.
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Ibrahim Saud@tektrix
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Detections.ai Community
1 month ago
002
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.
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Arnold Chan@slaz
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Hunters
2 months ago
005
Detects suspicious behavior from database accounts with replication privileges ('rolreplication=true'). The rule monitors for logins from unauthorized IP addresses, the execution of non-replication related SQL commands by these accounts, and the use of potentially malicious plugin names (containing path traversal characters) during replication slot creation.
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Arnold Chan@slaz
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Hunters
2 months ago
005
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.
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Arnold Chan@slaz
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Detections.ai Community
1 month ago
002
Detects the creation of a PostgreSQL replication slot using an unrecognized or potentially malicious logical decoding plugin. Adversaries may use custom or unauthorized plugins to exfiltrate database contents or intercept replication data streams, bypassing standard monitoring for common plugins like pgoutput or test_decoding.
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Arnold Chan@slaz
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Hunters
2 months ago
003
This rule monitors Syslog entries for PostgreSQL 'CREATE_REPLICATION_SLOT' commands to identify potential exploitation attempts associated with CVE-2026-6471. It detects attempts to load logical decoding plugins using suspicious path structures, including path traversal sequences ('../', '..\'), absolute paths, or UNC paths, which are not present in a known-good allowlist of plugins.
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Arnold Chan@slaz
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Hunters
2 months ago
003
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.
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Arnold Chan@slaz
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Midnight Slayer
1 month ago
001
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.
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Arnold Chan@slaz
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Detection & Hunting Community
1 month ago
001
Detects unauthorized database activity targeting Nacos configuration tables, characterized by the use of MySQL's AES_ENCRYPT function to encrypt records, followed by the deletion of original table data or the issuance of a ransom demand. This behavior is indicative of extortion attempts or agentic ransomware targeting web application backends.
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Ibrahim Saud@tektrix
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Detections.ai Community
1 month ago
000
Detects unauthorized modification of the Nacos database users table, specifically identifying direct INSERT or UPDATE statements used to plant a backdoor administrative account. The rule correlates database modifications with abnormal authentication patterns, such as a password hash update occurring after a failed login attempt to the Nacos application.
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Ibrahim Saud@tektrix
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Detections.ai Community
1 month ago
000
Detects potential database-native ransomware activity by identifying the use of MySQL encryption functions (AES_ENCRYPT) to encrypt records followed by the execution of DROP TABLE commands. This pattern is consistent with extortion techniques where attackers encrypt internal database data and remove original tables.
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Ibrahim Saud@tektrix
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Detections.ai Community
1 month ago
000
Detects direct SQL UPDATE operations on the pg_authid system table to modify privilege flags (e.g., rolsuper, rolcreaterole) without using the authorized ALTER ROLE statement. Such activity often indicates an attempt to escalate privileges or modify database user permissions in an unauthorized manner, bypassing standard auditing and role management processes.
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Arnold Chan@slaz
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Hunters
2 months ago
002
KQL Query from file: postgresql-replication-account-escalated-to-superuser-cve-2026-6471.kql
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Arnold Chan@slaz
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Hunters
2 months ago
002
Detects attempts to modify internal PostgreSQL system catalog tables (pg_authid or pg_proc) to grant superuser privileges or alter authorization records. This activity is commonly associated with exploiting logical decoding plugins to achieve persistence or privilege escalation in PostgreSQL environments.
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Arnold Chan@slaz
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Hunters
2 months ago
001
Detects attempts to modify internal PostgreSQL system catalog tables (pg_authid or pg_proc) to grant superuser privileges or alter authorization records. This activity is commonly associated with exploiting logical decoding plugins to achieve persistence or privilege escalation in PostgreSQL environments.
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Arnold Chan@slaz
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Midnight Slayer
2 months ago
104
Detects direct SQL UPDATE operations on the pg_authid system table to modify privilege flags (e.g., rolsuper, rolcreaterole) without using the authorized ALTER ROLE statement. Such activity often indicates an attempt to escalate privileges or modify database user permissions in an unauthorized manner, bypassing standard auditing and role management processes.
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Arnold Chan@slaz
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Midnight Slayer
2 months ago
003
This rule monitors Syslog entries for PostgreSQL 'CREATE_REPLICATION_SLOT' commands to identify potential exploitation attempts associated with CVE-2026-6471. It detects attempts to load logical decoding plugins using suspicious path structures, including path traversal sequences ('../', '..\'), absolute paths, or UNC paths, which are not present in a known-good allowlist of plugins.
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Arnold Chan@slaz
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Midnight Slayer
2 months ago
003
Detects the creation of a PostgreSQL replication slot using an unrecognized or potentially malicious logical decoding plugin. Adversaries may use custom or unauthorized plugins to exfiltrate database contents or intercept replication data streams, bypassing standard monitoring for common plugins like pgoutput or test_decoding.
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Arnold Chan@slaz
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Midnight Slayer
2 months ago
002
Detects attempts to modify internal PostgreSQL system catalog tables (pg_authid or pg_proc) to grant superuser privileges or alter authorization records. This activity is commonly associated with exploiting logical decoding plugins to achieve persistence or privilege escalation in PostgreSQL environments.
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Arnold Chan@slaz
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Detection & Hunting Community
2 months ago
004
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