Query: Sigma rule for Detects the use of systemctl mask to disable system power management targets such as suspend, hibernate, or hybrid sleep
Matching passage: Sigma rule: Detects the use of systemctl mask to disable system power management targets such as suspend, hibernate, or hybrid sleep. Logsource: linux / process_creation. Rule: title: Mask System Power Settings Via Systemctl id: c172b7b5-f3a1-4af2-90b7-822c63df86cb status: experimental description: 'Detects the use of systemctl mask to disable system power management targets such as suspend, hibernate, or hybrid sleep. Adversaries may mask these targets to prevent a system from entering sleep or shutdown states, ensuring their malicious processes remain active and uninterrupted. This behavior can be associated with persistence or defense evasion, as it impairs normal system power operations to maintain long-term access or avoid termination of malicious activity. ' author: Milad Cheraghi, Nasreddine Bencherchali date: 2025-10-17 references: - https://www.man7.org/linux/man-pages/man1/systemctl.1.html - https://linux-audit.com/systemd/faq/what-is-the-difference-between-systemctl-disable-and-systemctl-mask/ tags: - attack.persistence - attack.impact - attack.t1653 logsource: category: process_creation product: linux detection: selection_systemctl: Image|endswith: /systemctl CommandLine|contains: ' mask' selection_power_options: CommandLine|contains: - suspend.target - hibernate.target - hybrid-sleep.target condition: all of selection_* falsepositives: - Unlikely level: high
Near-miss passage: Sigma rule: Detects suspicious registry modifications made by suspicious processes such as script engine processes such as WScript,. Logsource: windows / registry_event. Rule: title: Registry Tampering by Potentially Suspicious Processes id: 7f4c43f9-b1a5-4c7d-b24a-b41bf3a3ebf2 related: - id: 2a0a169d-cc66-43ce-9ae2-6e678e54e46a type: similar - id: 921aa10f-2e74-4cca-9498-98f9ca4d6fdf type: similar status: experimental description: 'Detects suspicious registry modifications made by suspicious processes such as script engine processes such as WScript, or CScript etc. These processes are rarely used for legitimate registry modifications, and their activity may indicate an attempt to modify the registry without using standard tools like regedit.exe or reg.exe, potentially for evasion and persistence. ' references: - https://www.nextron-systems.com/2025/07/29/detecting-the-most-popular-mitre-persistence-method-registry-run-keys-startup-folder/ - https://www.linkedin.com/posts/mauricefielenbach_livingofftheland-redteam-persistence-activity-7344801774182051843-TE00/ author: Swachchhanda Shrawan Poudel (Nextron Systems) date: 2025-08-13 modified: 2026-04-14 tags: - attack.persistence - attack.execution - attack.defense-impairment - attack.t1112 - attack.t1059.005 logsource: category: registry_event product: windows detection: selection: Image|endswith: - \mshta.exe - \wscript.exe - \cscript.exe filter_main_binary_data: Details: Binary Data filter_main_null: Details: null filter_main_wscript_legit_1: Image|endswith: \wscript.exe TargetObject|contains: - SOFTWARE\Microsoft\Windows NT\CurrentVersion\Notifications\Data\ - \Services\bam\State\UserSettings\S-1- - Software\Microsoft\Windows Script\Settings\Telemetry\wscript.exe\ - Software\Microsoft\Windows\CurrentVersion\Internet Settings\ filter_main_wscript_legit_2: Image|endswith: \wscript.exe TargetObject|contains: \wscript.exe condition: selection and not 1 of filter_main_* falsepositives: - Some legitimate admin or install scripts may use these processes for registry modifications. level: medium