Detection rules › Sigma

Microsoft VBA For Outlook Addin Loaded Via Outlook

Severity
medium
Author
Nasreddine Bencherchali (Nextron Systems)
Source
upstream

Detects outlvba (Microsoft VBA for Outlook Addin) DLL being loaded by the outlook process

MITRE ATT&CK coverage

TacticTechniques
ExecutionT1204.002 User Execution: Malicious File

Event coverage

ProviderEvent IDTitle
Sysmon7Image loaded

Stages and Predicates

Stage 1: selection

Image|endswith: '\outlook.exe'
ImageLoaded|endswith: '\outlvba.dll'

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
  • \outlook.exe corpus 16 (sigma 16)
ImageLoadedends_with
  • \outlvba.dll