SID 1:51101

Rule Category

FILE-OTHER -- Snort detected traffic targeting vulnerabilities in a file type that does not require enough rule coverage to have its own category.

Alert Message

FILE-OTHER LibreOffice macro remote code execution attempt

Rule Explanation

This event is generated when a file containing a LibreOffice macro remote code execution attempt is detected. Impact: Attempted User Privilege Gain Details: Ease of Attack:

What To Look For

This rule will alert on files that contain malicious macros.

Known Usage

No public information

False Positives

No known false positives

Contributors

Cisco Talos Intelligence Group

Rule Groups

MITRE::ATT&CK Framework::Enterprise::Execution::User Execution::Malicious File

An adversary may rely upon a user opening a malicious file in order to gain execution. Users may be subjected to social engineering to get them to open a file that will lead to code execution. This user action will typically be observed as follow-on behavior from Spearphishing Attachment. Adversaries may use several types of files that require a user to execute them, including .doc, .pdf, .xls, .rtf, .scr, .exe, .lnk, .pif, and .cpl.

CVE

CVE-2018-16858

Additional Links

libreoffice.org/about-us/security/advisories/cve-2018-16858/

Rule Vulnerability

Escalation of Privilege

An Escalation of Privilege (EOP) attack is any attack method that results in a user or application gaining permissions to access resources they normally would not have access to.

CVE Additional Information

This product uses data from the NVD API but is not endorsed or certified by the NVD.

CVE-2018-16858

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