Detection rules › Sigma
Malicious Windows Script Components File Execution by TAEF Detection
Windows Test Authoring and Execution Framework (TAEF) framework allows you to run automation by executing tests files written on different languages (C, C#, Microsoft COM Scripting interfaces Adversaries may execute malicious code (such as WSC file with VBScript, dll and so on) directly by running te.exe
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Defense Evasion | T1218 System Binary Proxy Execution |
Event coverage
| Provider | Event ID | Title |
|---|---|---|
| Sysmon | 1 | Process creation |
Stages and Predicates
Stage 1: selection
or:
Image|endswith: '\te.exe'
OriginalFileName: '\te.exe'
ParentImage|endswith: '\te.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 |
|
OriginalFileName | eq |
|
ParentImage | ends_with |
|