↳ GitHub sourceAnalytics ruleMedium
NRT Base64 Encoded Windows Process Command-lines
Description
'This detection identifies instances of a base64 encoded PE file header seen in the process command line parameter.'
- Rule type
- NRT
- Version
- 1.0.2
- Declared status
- Available
Declared MITRE coverage
Declared sources
Metadata from the source file. No dependencies inferred from KQL.
Connectors
Data types
KQL query
Original query, unchanged.
SecurityEvent
| where EventID == 4688
| where isnotempty(CommandLine)
| where CommandLine contains "TVqQAAMAAAAEAAA"
| extend HostName = tostring(split(Computer, '.', 0)[0]), DnsDomain = tostring(strcat_array(array_slice(split(Computer, '.'), 1, -1), '.'))
Declared entities
Related content
Links established from declared identifiers and solution manifests.
Source provenance
GitHubDisplayed values come from files in Azure/Azure-Sentinel. They describe the published template, not your workspace configuration.
- Commit
9800e51↗- Source identifier
c3e5dbaa-a540-408c-8b36-68bdfb3df088
GSTEP / CATALOG TRACKING
Added to catalog : 16 Sept 2026 · 05:49 UTC
Last change observed : 16 Sept 2026 · 05:49 UTC