Detection rules › Sigma
UAC Bypass Using Windows Media Player - Process
Detects the pattern of UAC Bypass using Windows Media Player osksupport.dll (UACMe 32)
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Privilege Escalation | T1548.002 Abuse Elevation Control Mechanism: Bypass User Account Control |
| Defense Evasion | T1548.002 Abuse Elevation Control Mechanism: Bypass User Account Control |
Event coverage
| Provider | Event ID | Title |
|---|---|---|
| Sysmon | 1 | Process creation |
Stages and Predicates
Stage 1: 1 of selection_img_1
Image: 'C:\Program Files\Windows Media Player\osk.exe'
Stage 2: 1 of selection_img_2
Image: 'C:\Windows\System32\cmd.exe'
ParentCommandLine: '"C:\Windows\system32\mmc.exe" "C:\Windows\system32\eventvwr.msc" /s'
Stage 3: selection_integrity
IntegrityLevel: [High, S-1-16-12288, S-1-16-16384, System]
Indicators
Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.
| Field | Kind | Values |
|---|---|---|
Image | eq |
|
IntegrityLevel | eq |
|
ParentCommandLine | eq |
|