Query: Sigma YAML for windows / process_creation
Matching passage: Sigma rule: Detects execution of chromium based browser in headless mode using the "dump-dom" command line to download files. Logsource: windows / process_creation. Rule: title: File Download with Headless Browser id: 0e8cfe08-02c9-4815-a2f8-0d157b7ed33e related: - id: ef9dcfed-690c-4c5d-a9d1-482cd422225c type: derived status: test description: Detects execution of chromium based browser in headless mode using the "dump-dom" command line to download files references: - https://twitter.com/mrd0x/status/1478234484881436672?s=12 - https://www.trendmicro.com/en_us/research/23/e/managed-xdr-investigation-of-ducktail-in-trend-micro-vision-one.html author: Sreeman, Florian Roth (Nextron Systems) date: 2022-01-04 modified: 2025-10-07 tags: - attack.command-and-control - attack.stealth - attack.t1105 - attack.t1564.003 logsource: category: process_creation product: windows detection: selection: Image|endswith: - \brave.exe - \chrome.exe - \msedge.exe - \opera.exe - \vivaldi.exe CommandLine|contains|all: - --headless - dump-dom - http filter_optional_edge_1: Image|startswith: - C:\Program Files (x86)\Microsoft\Edge\Application\ - C:\Program Files (x86)\Microsoft\EdgeCore\ - C:\Program Files (x86)\Microsoft\EdgeWebView\ - C:\Program Files\Microsoft\Edge\Application\ - C:\Program Files\Microsoft\EdgeCore\ - C:\Program Files\Microsoft\EdgeWebView\ - C:\Program Files\WindowsApps\Microsoft.MicrosoftEdge Image|endswith: - \msedge.exe - \msedgewebview2.exe - \MicrosoftEdge.exe CommandLine|contains: --headless --disable-gpu --disable-extensions --disable-plugins --mute-audio --no-first-run --incognito --aggressive-cache-discard --dump-dom filter_optional_edge_2: Image|contains: - \AppData\Local\Microsoft\WindowsApps\ - \Windows\SystemApps\Microsoft.MicrosoftEdge Image|endswith: - \msedge.exe - \MicrosoftEdge.exe CommandLine|contains: --headless --disable-gpu --disable-extensions --disable-plugins --mute-audio --no-first-run --incognito --aggressive-cache-discard --dump-dom condition: selection and not 1 of filter_optional_* falsepositives: - Unknown level: high regression_tests_path: regression_data/rules/windows/process_creation/proc_creation_win_browsers_chromium_headless_file_download/info.yml
Near-miss passage: Sigma rule: Detects netsh commands that turns off the Windows firewall. Logsource: windows / process_creation. Rule: title: Firewall Disabled via Netsh.EXE id: 57c4bf16-227f-4394-8ec7-1b745ee061c3 status: test description: Detects netsh commands that turns off the Windows firewall references: - https://www.winhelponline.com/blog/enable-and-disable-windows-firewall-quickly-using-command-line/ - https://app.any.run/tasks/210244b9-0b6b-4a2c-83a3-04bd3175d017/ - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1562.004/T1562.004.md#atomic-test-1---disable-microsoft-defender-firewall author: Fatih Sirin date: 2019-11-01 modified: 2023-02-13 tags: - attack.defense-impairment - attack.t1686.003 - attack.s0108 logsource: category: process_creation product: windows detection: selection_img: - Image|endswith: \netsh.exe - OriginalFileName: netsh.exe selection_cli_1: CommandLine|contains|all: - firewall - set - opmode - disable selection_cli_2: CommandLine|contains|all: - advfirewall - set - state - 'off' condition: selection_img and 1 of selection_cli_* falsepositives: - Legitimate administration activity level: medium