BITS Transfer Job Download From File Sharing Domains

calendar Apr 28, 2026 · attack.persistence attack.execution attack.stealth attack.t1197  ·
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Detects BITS transfer job downloading files from a file sharing domain.

Sigma rule (View on GitHub)

 1title: BITS Transfer Job Download From File Sharing Domains
 2id: d635249d-86b5-4dad-a8c7-d7272b788586
 3status: test
 4description: Detects BITS transfer job downloading files from a file sharing domain.
 5references:
 6    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1197/T1197.md
 7    - https://twitter.com/malmoeb/status/1535142803075960832
 8    - https://symantec-enterprise-blogs.security.com/blogs/threat-intelligence/ransomware-hive-conti-avoslocker
 9    - 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/
10author: Florian Roth (Nextron Systems)
11date: 2022-06-28
12modified: 2025-12-10
13tags:
14    - attack.persistence
15    - attack.execution
16    - attack.stealth
17    - attack.t1197
18logsource:
19    product: windows
20    service: bits-client
21detection:
22    selection:
23        EventID: 16403
24        RemoteName|contains:
25            - '.githubusercontent.com'       # Includes both gists and github repositories / Michael Haag (idea)
26            - 'anonfiles.com'
27            - 'cdn.discordapp.com'
28            - 'ddns.net'
29            - 'dl.dropboxusercontent.com'
30            - 'ghostbin.co'
31            - 'github.com'
32            - 'glitch.me'
33            - 'gofile.io'
34            - 'hastebin.com'
35            - 'mediafire.com'
36            - 'mega.nz'
37            - 'onrender.com'
38            - 'pages.dev'
39            - 'paste.ee'
40            - 'pastebin.com'
41            - 'pastebin.pl'
42            - 'pastetext.net'
43            - 'pixeldrain.com'
44            - 'privatlab.com'
45            - 'privatlab.net'
46            - 'send.exploit.in'
47            - 'sendspace.com'
48            - 'storage.googleapis.com'
49            - 'storjshare.io'
50            - 'supabase.co'
51            - 'temp.sh'
52            - 'transfer.sh'
53            - 'trycloudflare.com'
54            - 'ufile.io'
55            - 'w3spaces.com'
56            - 'workers.dev'
57    condition: selection
58falsepositives:
59    - Unknown
60level: high

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