Detection rules › Sigma
Suspicious Outlook Macro Created
Detects the creation of a macro file for Outlook.
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Persistence | T1137 Office Application Startup, T1546 Event Triggered Execution |
| Privilege Escalation | T1546 Event Triggered Execution |
| Command & Control | T1008 Fallback Channels |
Event coverage
| Provider | Event ID | Title |
|---|---|---|
| Sysmon | 11 | FileCreate |
Stages and Predicates
Stage 1: selection
TargetFilename|endswith: '\Microsoft\Outlook\VbaProject.OTM'
Stage 2: not filter
Image|endswith: '\outlook.exe'
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.
| Field | Kind | Values |
|---|---|---|
Image | ends_with |
|
TargetFilename | ends_with |
|
Neighbors
Stricter alternatives (narrower than this rule)
The rules below may be useful if you find the current rule is too noisy / lacks specificity.
- New Outlook Macro Created (adds 1 filter)