Google SecOps
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727 detections
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Detects changes to either Global System Changeability (EU1) or Client-Specific Configuration (EU2/SCC4).
Detects a suspicious pattern in SAP environments where an existing user creates a new account (AU7 - User created) and subsequently logs into that newly created account (AU1 - User logged on or AU5 - User logged on via RFC) from the same terminal/IP address within a 30-minute window, potentially indicating account takeover or unauthorized persistence.
Detects the execution of `cmd.exe` originating from common web server processes (w3wp.exe, httpd.exe, tomcat.exe) with command-line arguments indicative of a webshell. This rule specifically looks for `cmd.exe /c` invocations where the command is not one of the common benign commands used by web servers, aiming to catch malicious command execution through a webshell.
Detects the execution of an encoded PowerShell command where the parent process is w3wp.exe. This behavior is often indicative of an attacker leveraging a compromised web server (IIS) to execute malicious PowerShell scripts, potentially for further reconnaissance, privilege escalation, or payload delivery. The rule includes exclusions for known legitimate PowerShell scripts to reduce false positives.
Detects the attempted creation of a file containing 'spinstall0' in specific SharePoint LAYOUTS directories. This activity is a strong indicator of an attempt to exploit the SharePoint Server vulnerability CVE-2025-53770, which could lead to webshell deployment.
This rule detects attempts to exploit CVE-2025-49706 in SharePoint by observing POST requests to a vulnerable aspx path, which could result in code execution or server compromise. Specifically, it looks for HTTP POST requests to URLs containing '/_layouts/1(5|6)/ToolPane.aspx' and 'DisplayMode=Edit' and 'a=/ToolPane.aspx', combined with a referrer URL ending in '/_layouts/1(5|6)/signout.aspx'. This combination of indicators suggests an attempt to leverage the vulnerability for unauthorized access or code execution.
Detects when a command-line interpreter (cmd.exe or powershell.exe) writes or modifies a file within a SharePoint \TEMPLATE\LAYOUTS directory. This activity is suspicious as it could indicate an attempt to deploy a web shell or other malicious code to gain persistent access or execute commands on the SharePoint server. The rule specifically excludes a known legitimate SharePoint automation script to reduce false positives.
Detects the creation of a file named 'spinstall0.aspx' within specific SharePoint LAYOUTS directories. This activity is a strong indicator of successful post-exploitation of the SharePoint Server vulnerability CVE-2025-53770, where an attacker has likely placed a web shell for persistent access.
This rule detects attempts to exploit CVE-2025-49706 in SharePoint by observing POST requests to a vulnerable aspx path, which could result in code execution or server compromise.
Detects the attempted creation of a file containing 'spinstall0' in specific SharePoint LAYOUTS directories. This activity is a strong indicator of an attempt to exploit the SharePoint Server vulnerability CVE-2025-53770.
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