Suspicious SolarWinds Web Help Desk Java Process Spawning Command Shell

ATT&CK techniques

Initial Access → Execution

Recon
Resource Dev
Initial Access
- T1190Exploit Public-Facing Application
Execution
- T1059.001PowerShell
Persistence
Priv Esc
Defense Evasion
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact

What it detects

This rule detects the SolarWinds Web Help Desk java.exe process spawning cmd.exe or msiexec.exe, the exploitation lineage observed for CVE-2025-26399 where the wrapper and Java service are driven to execute operating system commands. A help desk web application launching a command shell or installer indicates the unauthenticated deserialization flaw is being abused for code execution. This chain marks initial access on the affected server.

Reporting behind it

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Suspicious SolarWinds Web Help Desk Java Process Spawning Command Shell

Pivot detection · T1059.001 · 9 related

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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