Detection rules › Sigma

Potential MSTSC Shadowing Activity

Severity
high
Author
Florian Roth (Nextron Systems)
Source
upstream

Detects RDP session hijacking by using MSTSC shadowing

MITRE ATT&CK coverage

TacticTechniques
Lateral MovementT1563.002 Remote Service Session Hijacking: RDP Hijacking

Event coverage

ProviderEvent IDTitle
Sysmon1Process creation
Security-Auditing4688A new process has been created.

Stages and Predicates

Stage 1: selection

CommandLine|contains: noconsentprompt
CommandLine|contains: 'shadow:'

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.

FieldKindValues
CommandLinematch
  • noconsentprompt
  • shadow: