Query: Sigma YAML for windows / process_creation
Matching passage: Sigma rule: Detects the usage of SystemSettingsAdminFlows.exe to disable Windows Defender. SystemSettingsAdminFlows.exe is a legitim. Logsource: windows / process_creation. Rule: title: Windows Defender Disabled Via SystemSettingsAdminFlows.EXE id: da92713f-ca2d-4fab-8320-098013d3f43a status: experimental description: 'Detects the usage of SystemSettingsAdminFlows.exe to disable Windows Defender. SystemSettingsAdminFlows.exe is a legitimate Windows component used for administrative configuration tasks. However, attackers may abuse it to disable Windows Defender as part of their attack chain, especially in the context of ransomware or other malware campaigns. ' references: - https://thedfirreport.com/2026/02/23/apache-activemq-exploit-leads-to-lockbit-ransomware/ - https://www.huntress.com/blog/lolbin-to-inc-ransomware tags: - attack.defense-impairment - attack.t1685 author: Chirag Damani (KPMG India), Swachchhanda Shrawan Poudel (Nextron Systems) date: 2026-07-01 logsource: category: process_creation product: windows detection: selection_ssaf_img: - Image|endswith: \SystemSettingsAdminFlows.exe - OriginalFileName: SystemSettingsAdminFlows.EXE selection_ssaf_cli: CommandLine|contains: defender selection_cli_enable_opt: CommandLine|contains: - 'RTP ' - 'RealTimeProtection ' - 'DisableEnhancedNotifications ' selection_cli_enable_value: CommandLine|contains: '1' selection_cli_disable_opt: CommandLine|contains: - 'SubmitSamplesConsent ' - 'SpyNetReporting ' - 'DisableCDPUserAuthPolicy ' selection_cli_disable_value: CommandLine|contains: '0' condition: all of selection_ssaf_* and (all of selection_cli_enable_* or all of selection_cli_disable_*) falsepositives: - Legitimate turn off of Windows Defender by the technical users or administrators for troubleshooting or other purposes. level: high regression_tests_path: regression_data/rules/windows/process_creation/proc_creation_win_lolbin_systemsettingsadminflows_defender_disable/info.yml
Near-miss passage: Sigma rule: Detects the execution of "sysctl" with specific arguments that have been used by threat actors and malware. It provides. Logsource: macos / process_creation. Rule: title: System Information Discovery Via Sysctl - MacOS id: 6ff08e55-ea53-4f27-94a1-eff92e6d9d5c status: test description: 'Detects the execution of "sysctl" with specific arguments that have been used by threat actors and malware. It provides system hardware information. This process is primarily used to detect and avoid virtualization and analysis environments. ' references: - https://www.loobins.io/binaries/sysctl/# - https://evasions.checkpoint.com/techniques/macos.html - https://www.welivesecurity.com/2019/04/09/oceanlotus-macos-malware-update/ - https://www.sentinelone.com/labs/20-common-tools-techniques-used-by-macos-threat-actors-malware/ - https://objective-see.org/blog/blog_0x1E.html - https://www.virustotal.com/gui/file/1c547a064494a35d6b5e6b459de183ab2720a22725e082bed6f6629211f7abc1/behavior - https://www.virustotal.com/gui/file/b4b1fc65f87b3dcfa35e2dbe8e0a34ad9d8a400bec332025c0a2e200671038aa/behavior author: Pratinav Chandra date: 2024-05-27 tags: - attack.stealth - attack.t1497.001 - attack.discovery - attack.t1082 logsource: product: macos category: process_creation detection: selection_img: - Image|endswith: /sysctl - CommandLine|contains: sysctl selection_cmd: CommandLine|contains: - hw. - kern. - machdep. condition: all of selection_* falsepositives: - Legitimate administrative activities level: medium