Query: detect Detects the installation of a DNS plugin DLL via ServerLevelPluginDll parameter in registry, which can be used to execut in logs
Matching passage: Sigma rule: Detects the installation of a DNS plugin DLL via ServerLevelPluginDll parameter in registry, which can be used to execut. Logsource: windows / process_creation. Rule: title: New DNS ServerLevelPluginDll Installed Via Dnscmd.EXE id: f63b56ee-3f79-4b8a-97fb-5c48007e8573 related: - id: e61e8a88-59a9-451c-874e-70fcc9740d67 type: derived - id: cbe51394-cd93-4473-b555-edf0144952d9 type: derived status: test description: Detects the installation of a DNS plugin DLL via ServerLevelPluginDll parameter in registry, which can be used to execute code in context of the DNS server (restart required) references: - https://medium.com/@esnesenon/feature-not-bug-dnsadmin-to-dc-compromise-in-one-line-a0f779b8dc83 - https://blog.3or.de/hunting-dns-server-level-plugin-dll-injection.html author: Florian Roth (Nextron Systems) date: 2017-05-08 modified: 2023-02-05 tags: - attack.privilege-escalation - attack.persistence - attack.execution - attack.stealth - attack.defense-impairment - attack.t1574.001 - attack.t1112 logsource: category: process_creation product: windows detection: selection: Image|endswith: \dnscmd.exe CommandLine|contains|all: - /config - /serverlevelplugindll condition: selection falsepositives: - Unknown level: high
Near-miss passage: Sigma rule: Detects suspicious call to the "ShellExec_RunDLL" exported function of SHELL32.DLL through the ordinal number to launch. Logsource: windows / process_creation. Rule: title: Suspicious ShellExec_RunDLL Call Via Ordinal id: 8823e85d-31d8-473e-b7f4-92da070f0fc6 related: - id: d87bd452-6da1-456e-8155-7dc988157b7d type: derived status: test description: 'Detects suspicious call to the "ShellExec_RunDLL" exported function of SHELL32.DLL through the ordinal number to launch other commands. Adversary might only use the ordinal number in order to bypass existing detection that alert on usage of ShellExec_RunDLL on CommandLine. ' references: - https://redcanary.com/blog/raspberry-robin/ - https://www.microsoft.com/en-us/security/blog/2022/10/27/raspberry-robin-worm-part-of-larger-ecosystem-facilitating-pre-ransomware-activity/ - https://github.com/SigmaHQ/sigma/issues/1009 - https://strontic.github.io/xcyclopedia/library/shell32.dll-65DA072F25DE83D9F83653E3FEA3644D.html author: Swachchhanda Shrawan Poudel date: 2024-12-01 tags: - attack.stealth - attack.t1218.011 logsource: category: process_creation product: windows detection: selection_parent_img: ParentCommandLine|contains: SHELL32.DLL selection_parent_ordinal: ParentCommandLine|contains: - '#568' - '#570' - '#572' - '#576' selection_susp_cli_parent: - ParentCommandLine|contains: - comspec - iex - Invoke- - msiexec - odbcconf - regsvr32 - ParentCommandLine|contains: - \Desktop\ - \ProgramData\ - \Temp\ - \Users\Public\ selection_susp_child_img: Image|endswith: - \bash.exe - \bitsadmin.exe - \cmd.exe - \cscript.exe - \curl.exe - \mshta.exe - \msiexec.exe - \msxsl.exe - \odbcconf.exe - \powershell.exe - \pwsh.exe - \regsvr32.exe - \schtasks.exe - \wmic.exe - \wscript.exe condition: all of selection_parent_* and 1 of selection_susp_* falsepositives: - Unknown level: high