Hub configuration

Name: Suspicious Reg Add BitLocker
Author: sigmahq

More info

Suspicious Reg Add BitLocker Detection Scenario by sigmahq | CrowdSec Hub

« Suspicious Reg Add BitLocker »
v0.2 by sigmahq / proc_creation_win_reg_bitlocker
Attack scenariowindowsNot spoofableLow confidence

Detects suspicious addition to BitLocker related registry keys via the reg.exe utility

Installation

cscli scenarios install sigmahq/proc_creation_win_reg_bitlocker

YAML Configuration

1type: trigger
2name: sigmahq/proc_creation_win_reg_bitlocker
3description: |
4  Detects suspicious addition to BitLocker related registry keys via the reg.exe utility
5filter: |
6  (evt.Meta.service == 'sysmon' && evt.Parsed.EventID == '1') && (evt.Parsed.CommandLine contains 'REG' && evt.Parsed.CommandLine contains 'ADD' && evt.Parsed.CommandLine contains '\\SOFTWARE\\Policies\\Microsoft\\FVE' && evt.Parsed.CommandLine contains '/v' && evt.Parsed.CommandLine contains '/f' && (evt.Parsed.CommandLine contains 'EnableBDEWithNoTPM' || evt.Parsed.CommandLine contains 'UseAdvancedStartup' || evt.Parsed.CommandLine contains 'UseTPM' || evt.Parsed.CommandLine contains 'UseTPMKey' || evt.Parsed.CommandLine contains 'UseTPMKeyPIN' || evt.Parsed.CommandLine contains 'RecoveryKeyMessageSource' || evt.Parsed.CommandLine contains 'UseTPMPIN' || evt.Parsed.CommandLine contains 'RecoveryKeyMessage'))
7blackhole: 2m
8#status: test
9labels:
10  service: windows
11  confidence: 1
12  spoofable: 0
13  classification:
14   - attack.t1486
15
16  label: "Suspicious Reg Add BitLocker"
17  behavior : "windows:audit"
18  remediation: false
19
20scope:
21  type: ParentProcessId
22  expression: evt.Parsed.ParentProcessId
23
24

Hub configuration

« Suspicious Reg Add BitLocker »v0.2 by sigmahq / proc_creation_win_reg_bitlockerAttack scenariowindowsNot spoofableLow confidenceMITRE:t1486

« Suspicious Reg Add BitLocker »
v0.2 by sigmahq / proc_creation_win_reg_bitlocker
Attack scenariowindowsNot spoofableLow confidence