Query: rule covering Potential adversaries stopping ETW providers recording loaded .NET assemblies.
Matching passage: Sigma rule: Potential adversaries stopping ETW providers recording loaded .NET assemblies.. Logsource: windows / registry_set. Rule: title: ETW Logging Disabled In .NET Processes - Sysmon Registry id: bf4fc428-dcc3-4bbd-99fe-2422aeee2544 related: - id: a4c90ea1-2634-4ca0-adbb-35eae169b6fc type: similar status: test description: Potential adversaries stopping ETW providers recording loaded .NET assemblies. references: - https://twitter.com/_xpn_/status/1268712093928378368 - https://social.msdn.microsoft.com/Forums/vstudio/en-US/0878832e-39d7-4eaf-8e16-a729c4c40975/what-can-i-use-e13c0d23ccbc4e12931bd9cc2eee27e4-for?forum=clr - https://github.com/dotnet/runtime/blob/ee2355c801d892f2894b0f7b14a20e6cc50e0e54/docs/design/coreclr/jit/viewing-jit-dumps.md#setting-configuration-variables - https://github.com/dotnet/runtime/blob/f62e93416a1799aecc6b0947adad55a0d9870732/src/coreclr/src/inc/clrconfigvalues.h#L35-L38 - https://github.com/dotnet/runtime/blob/7abe42dc1123722ed385218268bb9fe04556e3d3/src/coreclr/src/inc/clrconfig.h#L33-L39 - https://github.com/dotnet/runtime/search?p=1&q=COMPlus_&unscoped_q=COMPlus_ - https://bunnyinside.com/?term=f71e8cb9c76a - http://managed670.rssing.com/chan-5590147/all_p1.html - https://github.com/dotnet/runtime/blob/4f9ae42d861fcb4be2fcd5d3d55d5f227d30e723/docs/coding-guidelines/clr-jit-coding-conventions.md#1412-disabling-code - https://blog.xpnsec.com/hiding-your-dotnet-complus-etwenabled/ - https://i.blackhat.com/EU-21/Wednesday/EU-21-Teodorescu-Veni-No-Vidi-No-Vici-Attacks-On-ETW-Blind-EDRs.pdf author: Roberto Rodriguez (Cyb3rWard0g), OTR (Open Threat Research) date: 2020-06-05 modified: 2023-08-17 tags: - attack.persistence - attack.defense-impairment - attack.t1112 - attack.t1685 logsource: product: windows category: registry_set detection: selection_etw_enabled: TargetObject|endswith: SOFTWARE\Microsoft\.NETFramework\ETWEnabled Details: DWORD (0x00000000) selection_complus: TargetObject|endswith: - \COMPlus_ETWEnabled - \COMPlus_ETWFlags Details: - 0 - DWORD (0x00000000) condition: 1 of selection_* falsepositives: - Unknown level: high
Near-miss passage: Sigma rule: Detects remote RPC calls that performs remote DCOM operations. These could be abused for lateral movement via DCOM or WM. Logsource: rpc_firewall / application. Rule: title: Remote DCOM/WMI Lateral Movement id: 68050b10-e477-4377-a99b-3721b422d6ef status: test description: Detects remote RPC calls that performs remote DCOM operations. These could be abused for lateral movement via DCOM or WMI. references: - https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-srvs/accf23b0-0f57-441c-9185-43041f1b0ee9 - https://github.com/zeronetworks/rpcfirewall - https://zeronetworks.com/blog/stopping-lateral-movement-via-the-rpc-firewall/ author: Sagie Dulce, Dekel Paz date: 2022-01-01 tags: - attack.lateral-movement - attack.execution - attack.t1021.003 - attack.t1047 logsource: product: rpc_firewall category: application definition: 'Requirements: install and apply the RPC Firewall to all processes with "audit:true action:block uuid:367abb81-9844-35f1-ad32-98f038001003' detection: selection: EventLog: RPCFW EventID: 3 InterfaceUuid: - 4d9f4ab8-7d1c-11cf-861e-0020af6e7c57 - 99fcfec4-5260-101b-bbcb-00aa0021347a - 000001a0-0000-0000-c000-000000000046 - 00000131-0000-0000-c000-000000000046 - 00000143-0000-0000-c000-000000000046 - 00000000-0000-0000-c000-000000000046 condition: selection falsepositives: - Some administrative tasks on remote host level: high