Suspicious MSBuild Execution of Project File from ProgramData (via process_creation)
- Product
- windows
- Category
- process_creation
- Author
- HuntRule
- Published
- 2026-10-25
- Updated
- 2026-10-25
ATT&CK techniques
Execution → Defense EvasionRecon
Resource Dev
Initial Access
Execution
Persistence
Priv Esc
Defense Evasion
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact
What it detects
This rule detects MSBuild.exe executing a project file located in the ProgramData directory. The PHALT#BLYX campaign abused MSBuild as a trusted utility to run a malicious v.proj payload dropped there.
Reporting behind it
Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.
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Also included
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