Query: Sigma YAML for windows / security
Matching passage: Sigma rule: Detects Obfuscated Powershell via use MSHTA in Scripts. Logsource: windows / security. Rule: title: Invoke-Obfuscation Via Use MSHTA - Security id: 9b8d9203-4e0f-4cd9-bb06-4cc4ea6d0e9a related: - id: 7e9c7999-0f9b-4d4a-a6ed-af6d553d4af4 type: derived status: test description: Detects Obfuscated Powershell via use MSHTA in Scripts references: - https://github.com/SigmaHQ/sigma/issues/1009 author: Nikita Nazarov, oscd.community date: 2020-10-09 modified: 2022-11-29 tags: - attack.stealth - attack.t1027 - attack.execution - attack.t1059.001 logsource: product: windows service: security definition: The 'System Security Extension' audit subcategory need to be enabled to log the EID 4697 detection: selection: EventID: 4697 ServiceFileName|contains|all: - mshta - vbscript:createobject - .run - window.close condition: selection falsepositives: - Unknown level: high
Near-miss passage: Sigma rule: Detects a network connection initiated by programs or processes running from suspicious or uncommon files system locatio. Logsource: windows / network_connection. Rule: title: Network Connection Initiated From Process Located In Potentially Suspicious Or Uncommon Location id: 7b434893-c57d-4f41-908d-6a17bf1ae98f related: - id: 8b48ad89-10d8-4382-a546-50588c410f0d type: similar - id: d635249d-86b5-4dad-a8c7-d7272b788586 type: similar - id: 52182dfb-afb7-41db-b4bc-5336cb29b464 type: similar - id: ae02ed70-11aa-4a22-b397-c0d0e8f6ea99 type: similar - id: e0f8ab85-0ac9-423b-a73a-81b3c7b1aa97 type: similar - id: 8518ed3d-f7c9-4601-a26c-f361a4256a0c type: similar - id: 42a5f1e7-9603-4f6d-97ae-3f37d130d794 type: similar - id: 56454143-524f-49fb-b1c6-3fb8b1ad41fb type: similar - id: b6e04788-29e1-4557-bb14-77f761848ab8 type: similar - id: a0d7e4d2-bede-4141-8896-bc6e237e977c type: similar - id: 297ae038-edc2-4b2e-bb3e-7c5fc94dd5c7 type: similar status: test description: 'Detects a network connection initiated by programs or processes running from suspicious or uncommon files system locations. ' references: - https://docs.google.com/spreadsheets/d/17pSTDNpa0sf6pHeRhusvWG6rThciE8CsXTSlDUAZDyo author: Florian Roth (Nextron Systems), Nasreddine Bencherchali (Nextron Systems) date: 2017-03-19 modified: 2026-03-29 tags: - attack.command-and-control - attack.t1105 logsource: category: network_connection product: windows detection: selection: Initiated: 'true' Image|contains: - :\$Recycle.bin - :\Perflogs\ - :\Temp\ - :\Users\Default\ - :\Users\Public\ - :\Windows\Fonts\ - :\Windows\IME\ - :\Windows\System32\Tasks\ - :\Windows\Tasks\ - \config\systemprofile\ - \Contacts\ - \Favorites\ - \Favourites\ - \Music\ - \Pictures\ - \Videos\ - \Windows\addins\ filter_main_domains: DestinationHostname|endswith: - .githubusercontent.com - 0x0.st - anonfiles.com - bashupload.com - cdn.discordapp.com - chunk.io - ddns.net - dl.dropboxusercontent.com - ghostbin.co - github.com - glitch.me - gofile.io - hastebin.com - mediafire.com - mega.co.nz - mega.nz - onrender.com - pages.dev - paste.ee - pastebin.com - pastebin.pl - pastetext.net - portmap.io - privatlab.com - privatlab.net - send.exploit.in - sendspace.com - storage.googleapis.com - storjshare.io - supabase.co - temp.sh - transfer.sh - trycloudflare.com - ufile.io - w3spaces.com - workers.dev - x0.at condition: selection and not 1 of filter_main_* falsepositives: - Unknown level: high