Detection rules › Sigma

Visual Studio Code Tunnel Remote File Creation

Severity
medium
Author
Nasreddine Bencherchali (Nextron Systems)
Source
upstream

Detects the creation of file by the "node.exe" process in the ".vscode-server" directory. Could be a sign of remote file creation via VsCode tunnel feature

Event coverage

ProviderEvent IDTitle
Sysmon11FileCreate

Stages and Predicates

Stage 1: selection

Image|endswith: '\server\node.exe'
Image|contains: '\servers\Stable-'
TargetFilename|contains: '\.vscode-server\data\User\History\'

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
Imageends_with
  • \server\node.exe
Imagematch
  • \servers\Stable-
TargetFilenamematch
  • \.vscode-server\data\User\History\