{"id":"8518ed3d-f7c9-4601-a26c-f361a4256a0c","title":"Suspicious Download From File-Sharing Website Via Bitsadmin","description":"Detects usage of bitsadmin downloading a file from a suspicious domain","author":"Florian Roth (Nextron Systems)","status":"test","level":"high","date":"2022-06-28","modified":"2026-03-29","tags":["attack.persistence","attack.execution","attack.stealth","attack.t1197","attack.s0190","attack.t1036.003","attack.command-and-control","attack.t1105"],"technique_ids":["T1036.003","T1105","T1197"],"logsource":{"category":"process_creation","product":"windows"},"falsepositives":["Some legitimate apps use this, but limited."],"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://symantec-enterprise-blogs.security.com/blogs/threat-intelligence/ransomware-hive-conti-avoslocker","https://www.cisa.gov/uscert/ncas/alerts/aa22-321a","https://www.microsoft.com/en-us/security/blog/2024/01/17/new-ttps-observed-in-mint-sandstorm-campaign-targeting-high-profile-individuals-at-universities-and-research-orgs/"],"source_path":"rules/windows/process_creation/proc_creation_win_bitsadmin_download_file_sharing_domains.yml","source_sha256":"2c9e773df49e691397c04fd8f429bd580d6e4fb773de1a59173273483f40fb64","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_bitsadmin_download_file_sharing_domains.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Suspicious Download From File-Sharing Website Via Bitsadmin\nid: 8518ed3d-f7c9-4601-a26c-f361a4256a0c\nrelated:\n    - id: 8b48ad89-10d8-4382-a546-50588c410f0d\n      type: similar\n    - id: d635249d-86b5-4dad-a8c7-d7272b788586\n      type: similar\n    - id: 52182dfb-afb7-41db-b4bc-5336cb29b464\n      type: similar\n    - id: ae02ed70-11aa-4a22-b397-c0d0e8f6ea99\n      type: similar\n    - id: e0f8ab85-0ac9-423b-a73a-81b3c7b1aa97\n      type: similar\n    - id: 7b434893-c57d-4f41-908d-6a17bf1ae98f\n      type: similar\n    - id: 42a5f1e7-9603-4f6d-97ae-3f37d130d794\n      type: similar\n    - id: 56454143-524f-49fb-b1c6-3fb8b1ad41fb\n      type: similar\n    - id: b6e04788-29e1-4557-bb14-77f761848ab8\n      type: similar\n    - id: a0d7e4d2-bede-4141-8896-bc6e237e977c\n      type: similar\n    - id: 297ae038-edc2-4b2e-bb3e-7c5fc94dd5c7\n      type: similar\nstatus: test\ndescription: Detects usage of bitsadmin downloading a file from a suspicious domain\nreferences:\n    - https://blog.netspi.com/15-ways-to-download-a-file/#bitsadmin\n    - https://isc.sans.edu/diary/22264\n    - https://lolbas-project.github.io/lolbas/Binaries/Bitsadmin/\n    - https://symantec-enterprise-blogs.security.com/blogs/threat-intelligence/ransomware-hive-conti-avoslocker\n    - https://www.cisa.gov/uscert/ncas/alerts/aa22-321a\n    - https://www.microsoft.com/en-us/security/blog/2024/01/17/new-ttps-observed-in-mint-sandstorm-campaign-targeting-high-profile-individuals-at-universities-and-research-orgs/\nauthor: Florian Roth (Nextron Systems)\ndate: 2022-06-28\nmodified: 2026-03-29\ntags:\n    - attack.persistence\n    - attack.execution\n    - attack.stealth\n    - attack.t1197\n    - attack.s0190\n    - attack.t1036.003\n    - attack.command-and-control\n    - attack.t1105\nlogsource:\n    category: process_creation\n    product: windows\ndetection:\n    selection_img:\n        - Image|endswith: '\\bitsadmin.exe'\n        - OriginalFileName: 'bitsadmin.exe'\n    selection_flags:\n        CommandLine|contains:\n            - ' /transfer '\n            - ' /create '\n            - ' /addfile '\n    selection_domain:\n        CommandLine|contains:\n            - '.githubusercontent.com'       # Includes both gists and github repositories / Michael Haag (idea)\n            - '0x0.st'\n            - 'anonfiles.com'\n            - 'bashupload.com'\n            - 'cdn.discordapp.com'\n            - 'chunk.io'\n            - 'ddns.net'\n            - 'dl.dropboxusercontent.com'\n            - 'ghostbin.co'\n            - 'github.com' # bitsadmin /transfer n https://github.com/redcanaryco/atomic-red-team/raw/master/atomics/T1047/bin/calc.dll %PUBLIC%\\calc.dll\n            - 'glitch.me'\n            - 'gofile.io'\n            - 'hastebin.com'\n            - 'mediafire.com'\n            - 'mega.nz'\n            - 'onrender.com'\n            - 'pages.dev'\n            - 'paste.ee'\n            - 'pastebin.com'\n            - 'pastebin.pl'\n            - 'pastetext.net'\n            - 'privatlab.com'\n            - 'privatlab.net'\n            - 'send.exploit.in'\n            - 'sendspace.com'\n            - 'storage.googleapis.com'\n            - 'storjshare.io'\n            - 'supabase.co'\n            - 'temp.sh'\n            - 'transfer.sh'\n            - 'trycloudflare.com'\n            - 'ufile.io'\n            - 'w3spaces.com'\n            - 'workers.dev'\n            - 'x0.at'\n    condition: all of selection_*\nfalsepositives:\n    - Some legitimate apps use this, but limited.\nlevel: high\nregression_tests_path: regression_data/rules/windows/process_creation/proc_creation_win_bitsadmin_download_file_sharing_domains/info.yml\nsimulation:\n    - type: atomic-red-team\n      name: Windows - BITSAdmin BITS Download\n      technique: T1105\n      atomic_guid: a1921cd3-9a2d-47d5-a891-f1d0f2a7a31b\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1036.003","id":"T1036.003","name":"Rename Legitimate Utilities","page":"techniques/enterprise/T1036.003/"},{"key":"enterprise/T1105","id":"T1105","name":"Ingress Tool Transfer","page":"techniques/enterprise/T1105/"},{"key":"enterprise/T1197","id":"T1197","name":"BITS Jobs","page":"techniques/enterprise/T1197/"}],"data_path":"data/detection-rules/8518ed3d-f7c9-4601-a26c-f361a4256a0c.json","kind":"sigma"}