1type: trigger
2name: sigmahq/proc_creation_win_bitsadmin_download_susp_targetfolder
3description: |
4  Detects usage of bitsadmin downloading a file to a suspicious target folder
5filter: |
6  (evt.Meta.service == 'sysmon' && evt.Parsed.EventID == '1') && ((evt.Parsed.Image endsWith '\\bitsadmin.exe' || evt.Parsed.OriginalFileName == 'bitsadmin.exe') && (evt.Parsed.CommandLine contains ' /transfer ' || evt.Parsed.CommandLine contains ' /create ' || evt.Parsed.CommandLine contains ' /addfile ') && (evt.Parsed.CommandLine contains ':\\Perflogs' || evt.Parsed.CommandLine contains ':\\ProgramData\\' || evt.Parsed.CommandLine contains ':\\Temp\\' || evt.Parsed.CommandLine contains ':\\Users\\Public\\' || evt.Parsed.CommandLine contains ':\\Windows\\' || evt.Parsed.CommandLine contains '\\AppData\\Local\\Temp\\' || evt.Parsed.CommandLine contains '\\AppData\\Roaming\\' || evt.Parsed.CommandLine contains '\\Desktop\\' || evt.Parsed.CommandLine contains '%ProgramData%' || evt.Parsed.CommandLine contains '%public%'))
7blackhole: 2m
8#status: test
9labels:
10  service: windows
11  confidence: 1
12  spoofable: 0
13  classification:
14   - attack.t1197
15   - attack.t1036.003
16
17  label: "File Download Via Bitsadmin To A Suspicious Target Folder"
18  behavior : "windows:audit"
19  remediation: false
20
21scope:
22  type: ParentProcessId
23  expression: evt.Parsed.ParentProcessId
24
25