Hub configuration

Name: Suspicious Desktopimgdownldr Command
Author: sigmahq

More info

Suspicious Desktopimgdownldr Command Detection Scenario by sigmahq | CrowdSec Hub

« Suspicious Desktopimgdownldr Command »
v0.2 by sigmahq / proc_creation_win_desktopimgdownldr_susp_execution
Attack scenariowindowsNot spoofableLow confidence

Detects a suspicious Microsoft desktopimgdownldr execution with parameters used to download files from the Internet

Installation

cscli scenarios install sigmahq/proc_creation_win_desktopimgdownldr_susp_execution

YAML Configuration

1type: trigger
2name: sigmahq/proc_creation_win_desktopimgdownldr_susp_execution
3description: |
4  Detects a suspicious Microsoft desktopimgdownldr execution with parameters used to download files from the Internet
5filter: |
6  (evt.Meta.service == 'sysmon' && evt.Parsed.EventID == '1') && (evt.Parsed.CommandLine contains ' /lockscreenurl:' && not (evt.Parsed.CommandLine contains '.jpg' || evt.Parsed.CommandLine contains '.jpeg' || evt.Parsed.CommandLine contains '.png') || evt.Parsed.CommandLine contains 'reg delete' && evt.Parsed.CommandLine contains '\\PersonalizationCSP')
7blackhole: 2m
8#status: test
9labels:
10  service: windows
11  confidence: 1
12  spoofable: 0
13  classification:
14   - attack.t1105
15
16  label: "Suspicious Desktopimgdownldr Command"
17  behavior : "windows:audit"
18  remediation: false
19
20scope:
21  type: ParentProcessId
22  expression: evt.Parsed.ParentProcessId
23
24

Hub configuration

« Suspicious Desktopimgdownldr Command »v0.2 by sigmahq / proc_creation_win_desktopimgdownldr_susp_executionAttack scenariowindowsNot spoofableLow confidenceMITRE:t1105

« Suspicious Desktopimgdownldr Command »
v0.2 by sigmahq / proc_creation_win_desktopimgdownldr_susp_execution
Attack scenariowindowsNot spoofableLow confidence