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. (such as?)
OS-WINDOWS Microsoft Windows GDI privilege escalation attempt
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| ```
The rule alerts when PC tries to download executable that can exploit CVE-2020-1529 and cause escalation of privilege
No public information
No known false positives
Cisco Talos Intelligence Group
Tactic: Privilege Escalation
Technique: Exploitation for Privilege Escalation
For reference, see the MITRE ATT&CK vulnerability types here: https://attack.mitre.org
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.