Query: Sigma YAML for windows / bits-client
Matching passage: Sigma rule: Detects a BITS transfer job downloading file(s) from a direct IP address.. Logsource: windows / bits-client. Rule: title: BITS Transfer Job Download From Direct IP id: 90f138c1-f578-4ac3-8c49-eecfd847c8b7 related: - id: 99c840f2-2012-46fd-9141-c761987550ef type: similar status: test description: Detects a BITS transfer job downloading file(s) from a direct IP address. references: - https://blog.netspi.com/15-ways-to-download-a-file/#bitsadmin - https://isc.sans.edu/diary/22264 - https://lolbas-project.github.io/lolbas/Binaries/Bitsadmin/ - https://blog.talosintelligence.com/breaking-the-silence-recent-truebot-activity/ author: Nasreddine Bencherchali (Nextron Systems) date: 2023-01-11 modified: 2023-03-27 tags: - attack.persistence - attack.execution - attack.stealth - attack.t1197 logsource: product: windows service: bits-client detection: selection: EventID: 16403 RemoteName|contains: - http://1 - http://2 - http://3 - http://4 - http://5 - http://6 - http://7 - http://8 - http://9 - https://1 - https://2 - https://3 - https://4 - https://5 - https://6 - https://7 - https://8 - https://9 filter_optional_local_networks: RemoteName|contains: - ://10. - ://192.168. - ://172.16. - ://172.17. - ://172.18. - ://172.19. - ://172.20. - ://172.21. - ://172.22. - ://172.23. - ://172.24. - ://172.25. - ://172.26. - ://172.27. - ://172.28. - ://172.29. - ://172.30. - ://172.31. - ://127. - ://169.254. filter_optional_seven_zip: RemoteName|contains: - https://7- - http://7- condition: selection and not 1 of filter_optional_* falsepositives: - Unknown level: high
Near-miss passage: Sigma rule: Detects the execution of certutil with certain flags that allow the utility to download files.. Logsource: windows / process_creation. Rule: title: Suspicious Download Via Certutil.EXE id: 19b08b1c-861d-4e75-a1ef-ea0c1baf202b related: - id: 13e6fe51-d478-4c7e-b0f2-6da9b400a829 type: similar status: test description: Detects the execution of certutil with certain flags that allow the utility to download files. references: - https://learn.microsoft.com/en-us/windows-server/administration/windows-commands/certutil - https://forensicitguy.github.io/agenttesla-vba-certutil-download/ - https://news.sophos.com/en-us/2021/04/13/compromised-exchange-server-hosting-cryptojacker-targeting-other-exchange-servers/ - https://twitter.com/egre55/status/1087685529016193025 - https://lolbas-project.github.io/lolbas/Binaries/Certutil/ - https://www.hexacorn.com/blog/2020/08/23/certutil-one-more-gui-lolbin author: Florian Roth (Nextron Systems), Jonhnathan Ribeiro, oscd.community, Nasreddine Bencherchali (Nextron Systems) date: 2023-02-15 modified: 2025-12-01 tags: - attack.stealth - attack.t1027 - attack.command-and-control - attack.t1105 logsource: category: process_creation product: windows detection: selection_img: - Image|endswith: \certutil.exe - OriginalFileName: CertUtil.exe selection_flags: CommandLine|contains: - 'urlcache ' - 'verifyctl ' - 'URL ' selection_http: CommandLine|contains: http condition: all of selection_* falsepositives: - Unknown level: medium regression_tests_path: regression_data/rules/windows/process_creation/proc_creation_win_certutil_download/info.yml