Microsoft Sentinel low experimental kql
Tenable.ad Active Directory attacks pathways
'Searches for triggered Indicators of Exposures related to Active Directory attacks pathways.'
Detection Logic
// For the query to work properly, make sure you have imported the afad_parser.kql parser into the workspace
// Retrieve the parser here: https://raw.githubusercontent.com/tenable/Azure-Sentinel/Tenable.ad-connector/Solutions/TenableAD/Parsers/afad_parser.kql
// Then, create the Kusto Function with alias afad_parser
let SeverityTable=datatable(Severity:string,Level:int) [
"low", 1,
"medium", 2,
"high", 3,
"critical", 4
];
let codeNameList = datatable(Codename:string)["C-PRIV-ACCOUNTS-SPN", "C-SDPROP-CONSISTENCY", "C-DANG-PRIMGROUPID", "C-GPO-HARDENING", "C-DC-ACCESS-CONSISTENCY", "C-DANGEROUS-TRUST-RELATIONSHIP", "C-UNCONST-DELEG", "C-ABNORMAL-ENTRIES-IN-SCHEMA"];
afad_parser
| where MessageType == 0 and Codename in~ (codeNameList)
| lookup kind=leftouter SeverityTable on Severity
| order by Level
| extend HostName = tostring(split(Host, '.', 0)[0]), DnsDomain = tostring(strcat_array(array_slice(split(Host, '.'), 1, -1), '.')) Field Validations
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