Query: detection rule: Detects changes to Internet Explorer's (IE / Windows Internet properties) ZoneMap configuration of the "HTTP" and "HTTPS
Matching passage: Sigma rule: Detects changes to Internet Explorer's (IE / Windows Internet properties) ZoneMap configuration of the "HTTP" and "HTTPS. Logsource: windows / process_creation. Rule: title: IE ZoneMap Setting Downgraded To MyComputer Zone For HTTP Protocols Via CLI id: 10344bb3-7f65-46c2-b915-2d00d47be5b0 related: - id: 3fd4c8d7-8362-4557-a8e6-83b29cc0d724 type: similar status: test description: 'Detects changes to Internet Explorer''s (IE / Windows Internet properties) ZoneMap configuration of the "HTTP" and "HTTPS" protocols to point to the "My Computer" zone. This allows downloaded files from the Internet to be granted the same level of trust as files stored locally. ' references: - https://twitter.com/M_haggis/status/1699056847154725107 - https://twitter.com/JAMESWT_MHT/status/1699042827261391247 - https://learn.microsoft.com/en-us/troubleshoot/developer/browsers/security-privacy/ie-security-zones-registry-entries - https://www.virustotal.com/gui/file/339ff720c74dc44265b917b6d3e3ba0411d61f3cd3c328e9a2bae81592c8a6e5/content author: Nasreddine Bencherchali (Nextron Systems) date: 2023-09-05 tags: - attack.execution - attack.stealth logsource: category: process_creation product: windows detection: selection: CommandLine|contains|all: - \Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProtocolDefaults - http - ' 0' condition: selection falsepositives: - Unknown level: high
Near-miss passage: Sigma rule: Detects when adversaries stop services or processes by deleting or disabling their respective scheduled tasks in order t. Logsource: windows / security. Rule: title: Important Scheduled Task Deleted/Disabled id: 7595ba94-cf3b-4471-aa03-4f6baa9e5fad related: - id: dbc1f800-0fe0-4bc0-9c66-292c2abe3f78 type: similar - id: 9ac94dc8-9042-493c-ba45-3b5e7c86b980 type: similar - id: 9e3cb244-bdb8-4632-8c90-6079c8f4f16d type: similar status: test description: Detects when adversaries stop services or processes by deleting or disabling their respective scheduled tasks in order to conduct data destructive activities references: - https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-10/security/threat-protection/auditing/event-4699 - https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-10/security/threat-protection/auditing/event-4701 author: Nasreddine Bencherchali (Nextron Systems) date: 2022-12-05 modified: 2023-03-13 tags: - attack.execution - attack.privilege-escalation - attack.persistence - attack.t1053.005 logsource: product: windows service: security definition: The Advanced Audit Policy setting Object Access > Audit Other Object Access Events has to be configured to allow this detection. We also recommend extracting the Command field from the embedded XML in the event data. detection: selection: EventID: - 4699 - 4701 TaskName|contains: - \Windows\SystemRestore\SR - \Windows\Windows Defender\ - \Windows\BitLocker - \Windows\WindowsBackup\ - \Windows\WindowsUpdate\ - \Windows\UpdateOrchestrator\Schedule - \Windows\ExploitGuard filter_main_defender_update: EventID: 4699 SubjectUserName|endswith: $ TaskName|contains: \Windows\Windows Defender\ condition: selection and not 1 of filter_main_* falsepositives: - Unknown level: high regression_tests_path: regression_data/rules/windows/builtin/security/win_security_susp_scheduled_task_delete_or_disable/info.yml simulation: - type: atomic-red-team name: Windows - Disable the SR scheduled task technique: T1490 atomic_guid: 1c68c68d-83a4-4981-974e-8993055fa034