Rule Category

OS-WINDOWS -- Snort has detected traffic targeting vulnerabilities in a Windows-based operating system. This does not include browser traffic or other software on the OS, but attacks against the OS itself.

Alert Message

OS-WINDOWS Microsoft Windows GDI privilege escalation attempt

Rule Explanation

The rule is looking for following hex string value in the file downloaded by PC ``` |66 0F 7F 44 24 50 66 0F 6F 05 72 11 00 00 66 0F 7F 44 24 70 66 0F 6F 05 54 11 00 00 48 89 44 24 28 48 8D 44 24 40 66 0F 7F 84 24 90 00 00 00 66| ```

What To Look For

The rule alerts when PC tries to download executable that can exploit CVE-2020-1529 and cause escalation of privilege

Known Usage

No public information

False Positives

No known false positives

Contributors

Cisco Talos Intelligence Group

Rule Groups

No rule groups

CVE

Additional Links

Rule Vulnerability

Memory Corruption

Memory Corruption is any vulnerability that allows the modification of the content of memory locations in a way not intended by the developer. Memory corruption results are inconsistent; they could lead to fatal errors and system crashes or data leakage; some have no effect at all.

CVE Additional Information

This product uses data from the NVD API but is not endorsed or certified by the NVD.
CVE-2020-1529
Loading description

MITRE ATT&CK Framework

Tactic: Privilege Escalation

Technique: Exploitation for Privilege Escalation

For reference, see the MITRE ATT&CK vulnerability types here: https://attack.mitre.org