Sigma high test sigma
Abused Debug Privilege by Arbitrary Parent Processes
Detection of unusual child processes by different system processes
Detection Logic
{
"selection_parent": {
"ParentImage
| endswith": [
"\\winlogon.exe",
"\\services.exe",
"\\lsass.exe",
"\\csrss.exe",
"\\smss.exe",
"\\wininit.exe",
"\\spoolsv.exe",
"\\searchindexer.exe"
],
"User
| contains": [
"AUTHORI",
"AUTORI"
]
},
"selection_img": [
{
"Image
| endswith": [
"\\powershell.exe",
"\\pwsh.exe",
"\\cmd.exe"
]
},
{
"OriginalFileName": [
"PowerShell.EXE",
"pwsh.dll",
"Cmd.Exe"
]
}
],
"filter": {
"CommandLine
| contains
| all": [
" route ",
" ADD "
]
},
"condition": "all of selection_* and not filter"
} False Positives
- ⚠ Unknown
Field Validations
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