Hub configuration

Name: Persistence Via Sticky Key Backdoor
Author: sigmahq

More info

Persistence Via Sticky Key Backdoor Detection Scenario by sigmahq | CrowdSec Hub

« Persistence Via Sticky Key Backdoor »
v0.2 by sigmahq / proc_creation_win_cmd_sticky_keys_replace
Attack scenariowindowsNot spoofableLow confidence

By replacing the sticky keys executable with the local admins CMD executable, an attacker is able to access a privileged windows console session without authenticating to the system. When the sticky keys are "activated" the privilleged shell is launched.

Installation

cscli scenarios install sigmahq/proc_creation_win_cmd_sticky_keys_replace

YAML Configuration

1type: trigger
2name: sigmahq/proc_creation_win_cmd_sticky_keys_replace
3description: |
4  By replacing the sticky keys executable with the local admins CMD executable, an attacker is able to access a privileged windows console session without authenticating to the system. When the sticky keys are "activated" the privilleged shell is launched. 
5filter: |
6  (evt.Meta.service == 'sysmon' && evt.Parsed.EventID == '1') && (evt.Parsed.CommandLine contains 'copy ' && evt.Parsed.CommandLine contains '/y ' && evt.Parsed.CommandLine contains 'C:\\windows\\system32\\cmd.exe C:\\windows\\system32\\sethc.exe')
7blackhole: 2m
8#status: test
9labels:
10  service: windows
11  confidence: 1
12  spoofable: 0
13  classification:
14   - attack.t1546.008
15
16  label: "Persistence Via Sticky Key Backdoor"
17  behavior : "windows:audit"
18  remediation: false
19
20scope:
21  type: ParentProcessId
22  expression: evt.Parsed.ParentProcessId
23
24

Hub configuration

« Persistence Via Sticky Key Backdoor »v0.2 by sigmahq / proc_creation_win_cmd_sticky_keys_replaceAttack scenariowindowsNot spoofableLow confidenceMITRE:t1546

« Persistence Via Sticky Key Backdoor »
v0.2 by sigmahq / proc_creation_win_cmd_sticky_keys_replace
Attack scenariowindowsNot spoofableLow confidence