cscli scenarios install sigmahq/proc_creation_win_hktl_krbrelayup1type: trigger2name: sigmahq/proc_creation_win_hktl_krbrelayup3description: |4 Detects KrbRelayUp used to perform a universal no-fix local privilege escalation in Windows domain environments where LDAP signing is not enforced5filter: |6 (evt.Meta.service == 'sysmon' && evt.Parsed.EventID == '1') && (evt.Parsed.Image endsWith '\\KrbRelayUp.exe' || evt.Parsed.OriginalFileName == 'KrbRelayUp.exe' || evt.Parsed.CommandLine contains ' relay ' && evt.Parsed.CommandLine contains ' -Domain ' && evt.Parsed.CommandLine contains ' -ComputerName ' || evt.Parsed.CommandLine contains ' krbscm ' && evt.Parsed.CommandLine contains ' -sc ' || evt.Parsed.CommandLine contains ' spawn ' && evt.Parsed.CommandLine contains ' -d ' && evt.Parsed.CommandLine contains ' -cn ' && evt.Parsed.CommandLine contains ' -cp ')7blackhole: 2m8#status: test9labels:10 service: windows11 confidence: 112 spoofable: 013 classification:14 - attack.t1558.00315 - attack.t1550.0031617 label: "HackTool - KrbRelayUp Execution"18 behavior : "windows:audit"19 remediation: false2021scope:22 type: ParentProcessId23 expression: evt.Parsed.ParentProcessId2425