Query: alert when Detects the addition of a new Federated Domain.
Matching passage: Sigma rule: Detects the addition of a new Federated Domain.. Logsource: m365 / audit. Rule: title: New Federated Domain Added id: 58f88172-a73d-442b-94c9-95eaed3cbb36 related: - id: 42127bdd-9133-474f-a6f1-97b6c08a4339 type: similar status: test description: Detects the addition of a new Federated Domain. references: - https://research.splunk.com/cloud/e155876a-6048-11eb-ae93-0242ac130002/ - https://o365blog.com/post/aadbackdoor/ author: Splunk Threat Research Team (original rule), Harjot Singh @cyb3rjy0t (sigma rule) date: 2023-09-18 tags: - attack.privilege-escalation - attack.defense-impairment - attack.t1484.002 logsource: service: audit product: m365 detection: selection_domain: Operation|contains: domain selection_operation: Operation|contains: - add - new condition: all of selection_* falsepositives: - The creation of a new Federated domain is not necessarily malicious, however these events need to be followed closely, as it may indicate federated credential abuse or backdoor via federated identities at a similar or different cloud provider. level: medium
Near-miss passage: Sigma rule: Detects a suspicious process creation as SYSTEM user (suspicious program or command line parameter). Logsource: windows / process_creation. Rule: title: Suspicious SYSTEM User Process Creation id: 2617e7ed-adb7-40ba-b0f3-8f9945fe6c09 status: test description: Detects a suspicious process creation as SYSTEM user (suspicious program or command line parameter) references: - Internal Research - https://tools.thehacker.recipes/mimikatz/modules author: Florian Roth (Nextron Systems), David ANDRE (additional keywords) date: 2021-12-20 modified: 2025-10-19 tags: - attack.credential-access - attack.privilege-escalation - attack.stealth - attack.t1134 - attack.t1003 - attack.t1027 logsource: category: process_creation product: windows detection: selection: IntegrityLevel: - System - S-1-16-16384 User|contains: - AUTHORI - AUTORI selection_special: - Image|endswith: - \calc.exe - \cscript.exe - \forfiles.exe - \hh.exe - \mshta.exe - \ping.exe - \wscript.exe - CommandLine|re: net\s+user\s+ - CommandLine|contains: - ' -NoP ' - ' -W Hidden ' - ' -decode ' - ' /decode ' - ' /urlcache ' - ' -urlcache ' - ' -e* JAB' - ' -e* SUVYI' - ' -e* SQBFAFgA' - ' -e* aWV4I' - ' -e* IAB' - ' -e* PAA' - ' -e* aQBlAHgA' - vssadmin delete shadows - reg SAVE HKLM - ' -ma ' - Microsoft\Windows\CurrentVersion\Run - .downloadstring( - .downloadfile( - ' /ticket:' - 'dpapi::' - event::clear - event::drop - id::modify - 'kerberos::' - 'lsadump::' - 'misc::' - 'privilege::' - 'rpc::' - 'sekurlsa::' - 'sid::' - 'token::' - vault::cred - vault::list - ' p::d ' - ;iex( - MiniDump filter_main_ping: CommandLine|contains|all: - ping - 127.0.0.1 - ' -n ' filter_vs: Image|endswith: \PING.EXE ParentCommandLine|contains: \DismFoDInstall.cmd filter_config_mgr: ParentImage|contains: :\Packages\Plugins\Microsoft.GuestConfiguration.ConfigurationforWindows\ filter_java: ParentImage|contains: - :\Program Files (x86)\Java\ - :\Program Files\Java\ ParentImage|endswith: \bin\javaws.exe Image|contains: - :\Program Files (x86)\Java\ - :\Program Files\Java\ Image|endswith: \bin\jp2launcher.exe CommandLine|contains: ' -ma ' condition: all of selection* and not 1 of filter_* falsepositives: - Administrative activity - Scripts and administrative tools used in the monitored environment - Monitoring activity level: high