Query: Sigma YAML for windows / process_creation
Matching passage: Sigma rule: Detects a process memory dump via "comsvcs.dll" using rundll32, covering multiple different techniques (ordinal, minidum. Logsource: windows / process_creation. Rule: title: Process Memory Dump Via Comsvcs.DLL id: 646ea171-dded-4578-8a4d-65e9822892e3 related: - id: 09e6d5c0-05b8-4ff8-9eeb-043046ec774c type: obsolete status: test description: Detects a process memory dump via "comsvcs.dll" using rundll32, covering multiple different techniques (ordinal, minidump function, etc.) references: - https://twitter.com/shantanukhande/status/1229348874298388484 - https://twitter.com/pythonresponder/status/1385064506049630211?s=21 - https://twitter.com/Hexacorn/status/1224848930795552769 - https://modexp.wordpress.com/2019/08/30/minidumpwritedump-via-com-services-dll/ - https://twitter.com/SBousseaden/status/1167417096374050817 - https://twitter.com/Wietze/status/1542107456507203586 - https://github.com/Hackndo/lsassy/blob/14d8f8ae596ecf22b449bfe919829173b8a07635/lsassy/dumpmethod/comsvcs.py - https://www.youtube.com/watch?v=52tAmVLg1KM&t=2070s author: Florian Roth (Nextron Systems), Modexp, Nasreddine Bencherchali (Nextron Systems), Swachchhanda Shrawan Poudel (Nextron Systems) date: 2020-02-18 modified: 2025-02-23 tags: - attack.credential-access - attack.stealth - attack.t1036 - attack.t1003.001 - car.2013-05-009 logsource: category: process_creation product: windows detection: selection_img: - Image|endswith: \rundll32.exe - OriginalFileName: RUNDLL32.EXE - CommandLine|contains: rundll32 selection_cli_1: CommandLine|contains|all: - comsvcs - full CommandLine|contains: - '#-' - '#+' - '#24' - '24 ' - MiniDump - '#65560' selection_generic: CommandLine|contains|all: - '24' - comsvcs - full CommandLine|contains: - ' #' - ',#' - ', #' - '"#' condition: (selection_img and 1 of selection_cli_*) or selection_generic falsepositives: - Unlikely level: high
Near-miss passage: Sigma rule: Detects potential DLL sideloading activity via the Aruba Networks Virtual Intranet Access "arubanetsvc.exe" process usin. Logsource: windows / image_load. Rule: title: Aruba Network Service Potential DLL Sideloading id: 90ae0469-0cee-4509-b67f-e5efcef040f7 status: test description: Detects potential DLL sideloading activity via the Aruba Networks Virtual Intranet Access "arubanetsvc.exe" process using DLL Search Order Hijacking references: - https://twitter.com/wdormann/status/1616581559892545537?t=XLCBO9BziGzD7Bmbt8oMEQ&s=09 author: Nasreddine Bencherchali (Nextron Systems) date: 2023-01-22 modified: 2023-03-15 tags: - attack.privilege-escalation - attack.persistence - attack.execution - attack.stealth - attack.t1574.001 logsource: category: image_load product: windows detection: selection: Image|endswith: \arubanetsvc.exe ImageLoaded|endswith: - \wtsapi32.dll - \msvcr100.dll - \msvcp100.dll - \dbghelp.dll - \dbgcore.dll - \wininet.dll - \iphlpapi.dll - \version.dll - \cryptsp.dll - \cryptbase.dll - \wldp.dll - \profapi.dll - \sspicli.dll - \winsta.dll - \dpapi.dll filter: ImageLoaded|startswith: - C:\Windows\System32\ - C:\Windows\SysWOW64\ - C:\Windows\WinSxS\ condition: selection and not filter falsepositives: - Unknown level: high