Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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This rule detects the execution of a script via the SCX RunAsProvider ExecuteScript function, which is associated with the OMIGOD vulnerability. Specifically, it looks for process creation events where the user is 'root', the LogonId is '0', the CurrentDirectory is '/var/opt/microsoft/scx/tmp', and the CommandLine contains '/etc/opt/microsoft/scx/conf/tmpdir/scx'. This pattern indicates the execution of a temporary script created by the SCX agent, often exploited for privilege escalation or initial access.
This rule detects attempts to exploit CVE-2010-5278, a directory traversal vulnerability in MODx Revolution. Specifically, it looks for requests to `/manager/controllers/default/resource/tvs.php` with a `class_key` parameter containing a directory traversal sequence (`../../../../../../../../../../`) followed by `windows/win.ini%00`, indicating an attempt to read the `win.ini` file on a Windows server.
Detects exploitation attempts targeting CVE-2020-0688, a remote code execution vulnerability in Microsoft Exchange Server. The rule specifically looks for requests to '/ecp/default.aspx' containing '__VIEWSTATEGENERATOR=' and '__VIEWSTATE=' in the query string, which are indicators of the exploit.
This rule detects exploitation attempts using the Pulse Connect Secure (PCS) vulnerability CVE-2021-22893. The detection logic looks for specific URI query patterns commonly associated with this exploit.
Detects suspicious access to specific URLs associated with the exploitation of the ADSelfService Plus vulnerability CVE-2021-40539. Attackers have been observed targeting these URLs to exploit the vulnerability.
Detects exploitation attempts of Sitecore Experience Platform Pre-Auth RCE CVE-2021-42237. This vulnerability allows for remote code execution without authentication. The rule specifically looks for POST requests to the '/sitecore/shell/ClientBin/Reporting/Report.ashx' endpoint that result in a 200 HTTP status code, indicating a successful interaction with the vulnerable component.
Detects URL patterns indicative of ProxyShell exploitation attempts against Microsoft Exchange servers. The rule looks for specific URI query strings and HTTP status codes (401) that are characteristic of both failed and successful exploitation attempts.
Detects attempts to exploit the VMware Workspace ONE Access Authentication Bypass vulnerability (CVE-2022-31656). This vulnerability allows a malicious actor with network access to the UI to obtain administrative access without authentication by sending a specially crafted URI query.
Detects attempts to exploit an Apache Spark server via CVE-2022-33891, which is a shell command injection vulnerability, by looking for specific patterns in web server query strings.
This rule detects common SQL exception types in Python applications as defined by PEP 249. These exceptions (DataError, IntegrityError, ProgrammingError, OperationalError) indicate issues during database operations, which could range from malformed queries to database connectivity problems or constraint violations. While often benign, repeated or unusual occurrences of these errors could signal application vulnerabilities being exploited (e.g., SQL injection attempts leading to syntax errors) or other malicious database interactions.
Detects attempts to exploit Apache Spark shell command injection vulnerabilities, specifically CVE-2022-33891, by monitoring for suspicious command-line executions involving 'id -Gn' as a child process of a bash shell. This indicates an attacker successfully injecting commands into the Spark environment.
This rule detects a specific threading-related error message in Apache HTTP Server error logs. The error message indicates an issue with priority changes for pthreads, specifically an assertion failure related to `__pthread_tpp_change_priority`. This could be indicative of an underlying problem with the Apache server's threading model, potentially caused by misconfigurations, incompatible modules, or resource exhaustion. While the rule itself doesn't directly detect an attack, such errors could be exploited or could be a symptom of a system under stress or compromise.
This rule detects successful attempts to exploit the IIS shortname vulnerability, which allows enumeration of folders when IIS uses an old .Net Framework. The detection logic looks for HTTP GET or OPTIONS requests to URIs containing '~1' and ending with 'a.aspx', combined with successful HTTP status codes (200 or 301). This pattern is indicative of a successful fuzzing scan for the IIS shortname vulnerability.
Detects suspicious child processes spawned by the SQL Server process (sqlservr.exe). This activity is highly indicative of successful exploitation, such as Remote Code Execution (RCE) or SQL Injection, where an attacker leverages the SQL Server to execute arbitrary commands on the underlying operating system. The rule specifically looks for common system utilities and scripting interpreters that are often used by attackers for reconnaissance, persistence, or further compromise.
Detects the exploitation of the Microsoft Exchange vulnerability CVE-2020-0688, which is a remote code execution vulnerability. The rule specifically looks for an 'Error' level EventID 4 from the 'MSExchange Control Panel' provider, combined with the presence of '__VIEWSTATE=' in the event data, indicating an attempt to exploit the vulnerability via the Eventlog.
Detects exploitation attempts targeting the TerraMaster TOS vulnerability CVE-2020-28188. This rule specifically looks for GET requests to '/include/makecvs.php' with a '?Event=' parameter, combined with common command injection payloads such as 'curl', 'wget', '.py', '.sh', 'chmod', or '_GET' in the URI query.
Detects the exploitation of the Microsoft Exchange ProxyToken vulnerability (CVE-2021-33766), which is an authentication bypass. The rule looks for specific URI query patterns and HTTP POST methods combined with a 500 HTTP status code, indicating a potential exploitation attempt against the Exchange Control Panel (ECP) or related services.
Detects potential exploitation attempts targeting the Cacti Command Injection vulnerability, CVE-2022-46169. The rule looks for specific patterns in GET requests to '/remote_agent.php' with 'action=polldata' and 'poller_id=' in the query, combined with suspicious command injection payloads like 'base64 -d | /bin/bash', 'whoami', 'powershell', 'cmd', or 'wget'.
Detects attempts to exploit the VMware Workspace ONE Access Admin Remote Code Execution vulnerability (CVE-2022-31659) by monitoring for POST requests to the '/SAAS/jersey/manager/api/migrate/tenant' URI. This URI is associated with the migration API, and suspicious activity here could indicate an attacker attempting to leverage the vulnerability for remote code execution.
This rule detects the creation of suspicious shell processes or system utilities spawned by the Java utility 'keytool.exe'. This behavior is often indicative of exploitation, such as the CVE-2021-40539 vulnerability in ManageEngine ADSelfService Plus, where attackers leverage keytool to execute arbitrary commands. The rule specifically looks for 'keytool.exe' as the parent process and a wide range of common Windows and Linux shell/utility executables as the child process.
Detects the use of the "appcmd.exe" utility to create or modify global URL rewrite rules within Internet Information Services (IIS). This activity is suspicious because threat actors have been observed leveraging this method to establish persistence or facilitate access to webshells by redirecting traffic or enabling specific paths.
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