Query: alert when Detects executables launched from external WebDAV shares using the WebDAV Explorer integration, commonly seen in initial
Matching passage: Sigma rule: Detects executables launched from external WebDAV shares using the WebDAV Explorer integration, commonly seen in initial. Logsource: proxy. Rule: title: Suspicious External WebDAV Execution id: 1ae64f96-72b6-48b3-ad3d-e71dff6c6398 related: - id: 4c55738d-72d8-490e-a2db-7969654e375f type: similar status: test description: 'Detects executables launched from external WebDAV shares using the WebDAV Explorer integration, commonly seen in initial access campaigns. ' references: - https://dear-territory-023.notion.site/WebDav-Share-Testing-e4950fa0c00149c3aa430d779b9b1d0f?pvs=4 - https://micahbabinski.medium.com/search-ms-webdav-and-chill-99c5b23ac462 - https://www.trendmicro.com/en_no/research/24/b/cve202421412-water-hydra-targets-traders-with-windows-defender-s.html - https://www.trellix.com/en-us/about/newsroom/stories/research/beyond-file-search-a-novel-method.html author: Ahmed Farouk date: 2024-05-10 tags: - attack.initial-access - attack.resource-development - attack.t1584 - attack.t1566 logsource: category: proxy detection: selection_webdav: c-useragent|startswith: Microsoft-WebDAV-MiniRedir/ cs-method: GET selection_execution: c-uri|endswith: - .7z - .bat - .dat - .cmd - .exe - .js - .lnk - .ps1 - .rar - .url - .vbe - .vbs - .zip filter_main_local_ips: dst_ip|cidr: - 127.0.0.0/8 - 10.0.0.0/8 - 172.16.0.0/12 - 192.168.0.0/16 - 169.254.0.0/16 - ::1/128 - fe80::/10 - fc00::/7 condition: all of selection_* and not 1 of filter_main_* falsepositives: - Unknown level: high
Near-miss passage: Sigma rule: Detects if the push protection feature is disabled for an organization, enterprise, repositories or custom pattern rules. Logsource: github / audit. Rule: title: Github Push Protection Disabled id: ccd55945-badd-4bae-936b-823a735d37dd status: test description: Detects if the push protection feature is disabled for an organization, enterprise, repositories or custom pattern rules. references: - https://docs.github.com/en/enterprise-cloud@latest/code-security/secret-scanning/push-protection-for-repositories-and-organizations - https://thehackernews.com/2024/03/github-rolls-out-default-secret.html author: Muhammad Faisal (@faisalusuf) date: 2024-03-07 tags: - attack.defense-impairment - attack.t1685 logsource: product: github service: audit definition: 'Requirements: The audit log streaming feature must be enabled to be able to receive such logs. You can enable following the documentation here: https://docs.github.com/en/enterprise-cloud@latest/admin/monitoring-activity-in-your-enterprise/reviewing-audit-logs-for-your-enterprise/streaming-the-audit-log-for-your-enterprise#setting-up-audit-log-streaming' detection: selection: action: - business_secret_scanning_custom_pattern_push_protection.disabled - business_secret_scanning_push_protection.disable - business_secret_scanning_push_protection.disabled_for_new_repos - org.secret_scanning_custom_pattern_push_protection_disabled - org.secret_scanning_push_protection_disable - org.secret_scanning_push_protection_new_repos_disable - repository_secret_scanning_custom_pattern_push_protection.disabled condition: selection falsepositives: - Allowed administrative activities. level: high