1type: trigger
2name: sigmahq/proc_creation_win_sysinternals_procdump_evasion
3description: |
4  Detects uses of the SysInternals ProcDump utility in which ProcDump or its output get renamed, or a dump file is moved or copied to a different name
5filter: |
6  (evt.Meta.service == 'sysmon' && evt.Parsed.EventID == '1') && (evt.Parsed.CommandLine contains 'copy procdump' || evt.Parsed.CommandLine contains 'move procdump' || evt.Parsed.CommandLine contains 'copy ' && evt.Parsed.CommandLine contains '.dmp ' && (evt.Parsed.CommandLine contains '2.dmp' || evt.Parsed.CommandLine contains 'lsass' || evt.Parsed.CommandLine contains 'out.dmp') || evt.Parsed.CommandLine contains 'copy lsass.exe_' || evt.Parsed.CommandLine contains 'move lsass.exe_')
7blackhole: 2m
8#status: test
9labels:
10  service: windows
11  confidence: 1
12  spoofable: 0
13  classification:
14   - attack.t1036
15   - attack.t1003.001
16
17  label: "Potential SysInternals ProcDump Evasion"
18  behavior : "windows:audit"
19  remediation: false
20
21scope:
22  type: ParentProcessId
23  expression: evt.Parsed.ParentProcessId
24
25