This commit is contained in:
Frank Xu
2021-01-26 20:36:24 -05:00
parent 89daf2a4ce
commit 07c87f52d1

View File

@@ -12,8 +12,9 @@ The goal of the project is to create a list of customized STIX™ Cyber-observab
- [Windows Event Object](#Windows-Event-Object)
- [Browser History Event Object](#Browser-History-Event-Object)
- [Plug and Play (PnP) Event Object](<#Plug-and-Play-(PnP)-Event-Object>)
- [Shimcache Event Object](#Shimcache-Event-Object)
- [Recent File Cache Event Object](#-Recent-FileCache-Event-Object)
- Property Extension for Windows™ Registry Key Object
- [Shimcache Event Object](#Shimcache-Event-Object)
- Other extension
- [threat-actor-type-ov external reference](#threat-actor-type-ov-external-reference])
@@ -179,40 +180,6 @@ Vocabulary Name: message-type-ov
}
```
## Shimcache Event Object
**Type Name:** x-shimcache-evt
Shimcache is created to identify application compatibility issues. Two actions/events that can cause the Shimcache to record an entry:
(1) A file is executed and (2) A user interactively browses a directory.
### Properties
| Property Name | Type | Description |
| ----------------------- | ---------- | -------------------------------------------------------------------------------------------- |
| type (required) | string | The value of this property MUST be x-shimcache-evt. |
| id (required) | identifier | The ID of a Shimcache Event Object. |
| last_modified_time | tiemstamp | |
| last_updated_time | tiemstamp | |
| execution_flag | string | A process execution flag. It is set during process creation/execution. |
| file_ref | identifier | The relation describes that event is associated with compatibility issues of an application. |
| registry_ref (required) | identifier | It MUST be one of windows-registry-key with key contans AppCompatCache |
### Examples
```json
{
"type": "x-shimcache-evt",
"spec_version": "2.1",
"id": "x-shimcache-evt--83aee86d-1523-4111-938e-8edc8a6c804f",
"last_modified_time": "2021-01-06T20:03:22.000Z",
"event_category": "device installation",
"formatted_message ": "Device Install (Hardware initiated) - USB\\VID_0781&PID_5517\\4C5300124505311010593",
"file_ref": "file--7bd8980c-91eb-461a-a357-ae75a35374e6",
"belongs_to_ref": "windows-registry-key--176353bd-b61d-4944-b0cd-0b98783c50b5"
}
```
## Recent File Cache Event Object
**Type Name:** x-recent-file-cache-evt
@@ -242,6 +209,40 @@ The object contains a reference to a program that recently executed.
}
```
## Shimcache Event Object
**Type Name:** x-shimcache-evt
Shimcache is created to identify application compatibility issues. Two actions/events that can cause the Shimcache to record an entry:
(1) A file is executed and (2) A user interactively browses a directory.
### Properties
| Property Name | Type | Description |
| ----------------------- | ---------- | -------------------------------------------------------------------------------------------- |
| type (required) | string | The value of this property MUST be x-shimcache-evt. |
| id (required) | identifier | The ID of a Shimcache Event Object. |
| last_modified_time | tiemstamp | |
| last_updated_time | tiemstamp | |
| execution_flag | string | A process execution flag. It is set during process creation/execution. |
| file_ref | identifier | The relation describes that event is associated with compatibility issues of an application. |
| registry_ref (required) | identifier | The type MUST be windows-registry-key with the key contains AppCompatCache |
### Examples
```json
{
"type": "x-shimcache-evt",
"spec_version": "2.1",
"id": "x-shimcache-evt--83aee86d-1523-4111-938e-8edc8a6c804f",
"last_modified_time": "2021-01-06T20:03:22.000Z",
"event_category": "device installation",
"formatted_message ": "Device Install (Hardware initiated) - USB\\VID_0781&PID_5517\\4C5300124505311010593",
"file_ref": "file--7bd8980c-91eb-461a-a357-ae75a35374e6",
"belongs_to_ref": "windows-registry-key--176353bd-b61d-4944-b0cd-0b98783c50b5"
}
```
---
## threat-actor-type-ov external reference