Hub configuration

Name: Suspicious GUP Usage
Author: sigmahq

More info

Suspicious GUP Usage Detection Scenario by sigmahq | CrowdSec Hub

« Suspicious GUP Usage »
v0.2 by sigmahq / proc_creation_win_gup_suspicious_execution
Attack scenariowindowsNot spoofableLow confidence

Detects execution of the Notepad++ updater in a suspicious directory, which is often used in DLL side-loading attacks

Installation

cscli scenarios install sigmahq/proc_creation_win_gup_suspicious_execution

YAML Configuration

1type: trigger
2name: sigmahq/proc_creation_win_gup_suspicious_execution
3description: |
4  Detects execution of the Notepad++ updater in a suspicious directory, which is often used in DLL side-loading attacks
5filter: |
6  (evt.Meta.service == 'sysmon' && evt.Parsed.EventID == '1') && (evt.Parsed.Image endsWith '\\GUP.exe' && not (evt.Parsed.Image endsWith '\\Program Files\\Notepad++\\updater\\GUP.exe' || evt.Parsed.Image endsWith '\\Program Files (x86)\\Notepad++\\updater\\GUP.exe' || evt.Parsed.Image contains '\\Users\\' && (evt.Parsed.Image endsWith '\\AppData\\Local\\Notepad++\\updater\\GUP.exe' || evt.Parsed.Image endsWith '\\AppData\\Roaming\\Notepad++\\updater\\GUP.exe')))
7blackhole: 2m
8#status: test
9labels:
10  service: windows
11  confidence: 1
12  spoofable: 0
13  classification:
14   - attack.t1574.002
15
16  label: "Suspicious GUP Usage"
17  behavior : "windows:audit"
18  remediation: false
19
20scope:
21  type: ParentProcessId
22  expression: evt.Parsed.ParentProcessId
23
24

Hub configuration

« Suspicious GUP Usage »v0.2 by sigmahq / proc_creation_win_gup_suspicious_executionAttack scenariowindowsNot spoofableLow confidenceMITRE:t1574

« Suspicious GUP Usage »
v0.2 by sigmahq / proc_creation_win_gup_suspicious_execution
Attack scenariowindowsNot spoofableLow confidence