KNOTWEED AV Detection
Id | 9f9c1e51-4fb1-4510-a675-c7c2fb32f47e |
Rulename | KNOTWEED AV Detection |
Description | This query looks for Microsoft Defender AV detections related to the KNOTWEED threat actor and the Corelump and Jumplump malware. Ref: https://www.microsoft.com/security/blog/2022/07/27/untangling-knotweed-european-private-sector-offensive-actor-using-0-day-exploits/ |
Severity | High |
Tactics | Execution |
Techniques | T1203 |
Required data connectors | MicrosoftThreatProtection SecurityEvents |
Kind | Scheduled |
Query frequency | 1d |
Query period | 1d |
Trigger threshold | 0 |
Trigger operator | gt |
Source Uri | https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Legacy IOC based Threat Protection/Analytic Rules/KNOTWEEDAVDetection.yaml |
Version | 1.0.1 |
Arm template | 9f9c1e51-4fb1-4510-a675-c7c2fb32f47e.json |
let knotweed_sigs = dynamic(["JumplumpDropper", "Jumplump", "Corelump", "Medcerc", "SuspModuleLoad", "Mexlib"]);
let mde_data = (DeviceInfo
| extend DeviceName = tolower(DeviceName)
| join kind=rightouter ( SecurityAlert
| where ProviderName =~ "MDATP"
| extend ThreatName = tostring(parse_json(ExtendedProperties).ThreatName)
| extend ThreatFamilyName = tostring(parse_json(ExtendedProperties).ThreatFamilyName)
| where ThreatFamilyName in~ (knotweed_sigs)
| extend CompromisedEntity = tolower(CompromisedEntity)
) on $left.DeviceName == $right.CompromisedEntity);
let event_data = ( Event
| where EventID in (1006, 1009, 1116, 1119)
| extend ThreatData = parse_json(tostring(parse_json(tostring(parse_json(tostring(parse_xml(EventData).DataItem)).EventData)).Data))
| mv-expand ThreatData
| where tostring(ThreatData.["@Name"]) == "Threat Name"
| extend EventData = parse_xml(EventData)
| where tostring(ThreatData.["#text"]) has_any (knotweed_sigs));
union mde_data, event_data
| extend ThreatName = iif(isnotempty(ThreatName), ThreatName, tostring(ThreatData.["#text"]))
| extend ThreatFamilyName = iif(isnotempty(ThreatFamilyName), ThreatFamilyName, split(tostring(ThreatData.["#text"]), "/")[-1])
| extend TimeGenerated = iif(isnotempty(TimeGenerated), TimeGenerated, TimeGenerated1)
| extend DeviceName = iif(isnotempty(DeviceName), DeviceName, Computer)
| project-reorder TimeGenerated, CompromisedEntity, ThreatName, ThreatFamilyName
name: KNOTWEED AV Detection
query: |
let knotweed_sigs = dynamic(["JumplumpDropper", "Jumplump", "Corelump", "Medcerc", "SuspModuleLoad", "Mexlib"]);
let mde_data = (DeviceInfo
| extend DeviceName = tolower(DeviceName)
| join kind=rightouter ( SecurityAlert
| where ProviderName =~ "MDATP"
| extend ThreatName = tostring(parse_json(ExtendedProperties).ThreatName)
| extend ThreatFamilyName = tostring(parse_json(ExtendedProperties).ThreatFamilyName)
| where ThreatFamilyName in~ (knotweed_sigs)
| extend CompromisedEntity = tolower(CompromisedEntity)
) on $left.DeviceName == $right.CompromisedEntity);
let event_data = ( Event
| where EventID in (1006, 1009, 1116, 1119)
| extend ThreatData = parse_json(tostring(parse_json(tostring(parse_json(tostring(parse_xml(EventData).DataItem)).EventData)).Data))
| mv-expand ThreatData
| where tostring(ThreatData.["@Name"]) == "Threat Name"
| extend EventData = parse_xml(EventData)
| where tostring(ThreatData.["#text"]) has_any (knotweed_sigs));
union mde_data, event_data
| extend ThreatName = iif(isnotempty(ThreatName), ThreatName, tostring(ThreatData.["#text"]))
| extend ThreatFamilyName = iif(isnotempty(ThreatFamilyName), ThreatFamilyName, split(tostring(ThreatData.["#text"]), "/")[-1])
| extend TimeGenerated = iif(isnotempty(TimeGenerated), TimeGenerated, TimeGenerated1)
| extend DeviceName = iif(isnotempty(DeviceName), DeviceName, Computer)
| project-reorder TimeGenerated, CompromisedEntity, ThreatName, ThreatFamilyName
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Legacy IOC based Threat Protection/Analytic Rules/KNOTWEEDAVDetection.yaml
queryFrequency: 1d
triggerThreshold: 0
requiredDataConnectors:
- dataTypes:
- DeviceInfo
connectorId: MicrosoftThreatProtection
- dataTypes:
- SecurityEvent
connectorId: SecurityEvents
version: 1.0.1
status: Available
queryPeriod: 1d
id: 9f9c1e51-4fb1-4510-a675-c7c2fb32f47e
triggerOperator: gt
entityMappings:
- fieldMappings:
- identifier: HostName
columnName: DeviceName
entityType: Host
tags:
- KNOTWEED
relevantTechniques:
- T1203
severity: High
description: |
'This query looks for Microsoft Defender AV detections related to the KNOTWEED threat actor and the Corelump and Jumplump malware.
Ref: https://www.microsoft.com/security/blog/2022/07/27/untangling-knotweed-european-private-sector-offensive-actor-using-0-day-exploits/'
kind: Scheduled
tactics:
- Execution
{
"$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
"contentVersion": "1.0.0.0",
"parameters": {
"workspace": {
"type": "String"
}
},
"resources": [
{
"id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/9f9c1e51-4fb1-4510-a675-c7c2fb32f47e')]",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/9f9c1e51-4fb1-4510-a675-c7c2fb32f47e')]",
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules",
"kind": "Scheduled",
"apiVersion": "2022-11-01",
"properties": {
"displayName": "KNOTWEED AV Detection",
"description": "'This query looks for Microsoft Defender AV detections related to the KNOTWEED threat actor and the Corelump and Jumplump malware.\n Ref: https://www.microsoft.com/security/blog/2022/07/27/untangling-knotweed-european-private-sector-offensive-actor-using-0-day-exploits/'\n",
"severity": "High",
"enabled": true,
"query": "let knotweed_sigs = dynamic([\"JumplumpDropper\", \"Jumplump\", \"Corelump\", \"Medcerc\", \"SuspModuleLoad\", \"Mexlib\"]);\n let mde_data = (DeviceInfo\n | extend DeviceName = tolower(DeviceName)\n | join kind=rightouter ( SecurityAlert\n | where ProviderName =~ \"MDATP\"\n | extend ThreatName = tostring(parse_json(ExtendedProperties).ThreatName)\n | extend ThreatFamilyName = tostring(parse_json(ExtendedProperties).ThreatFamilyName)\n | where ThreatFamilyName in~ (knotweed_sigs)\n | extend CompromisedEntity = tolower(CompromisedEntity)\n ) on $left.DeviceName == $right.CompromisedEntity);\n let event_data = ( Event\n | where EventID in (1006, 1009, 1116, 1119)\n | extend ThreatData = parse_json(tostring(parse_json(tostring(parse_json(tostring(parse_xml(EventData).DataItem)).EventData)).Data))\n | mv-expand ThreatData\n | where tostring(ThreatData.[\"@Name\"]) == \"Threat Name\"\n | extend EventData = parse_xml(EventData)\n | where tostring(ThreatData.[\"#text\"]) has_any (knotweed_sigs));\n union mde_data, event_data\n | extend ThreatName = iif(isnotempty(ThreatName), ThreatName, tostring(ThreatData.[\"#text\"]))\n | extend ThreatFamilyName = iif(isnotempty(ThreatFamilyName), ThreatFamilyName, split(tostring(ThreatData.[\"#text\"]), \"/\")[-1])\n | extend TimeGenerated = iif(isnotempty(TimeGenerated), TimeGenerated, TimeGenerated1)\n | extend DeviceName = iif(isnotempty(DeviceName), DeviceName, Computer)\n | project-reorder TimeGenerated, CompromisedEntity, ThreatName, ThreatFamilyName\n",
"queryFrequency": "P1D",
"queryPeriod": "P1D",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0,
"suppressionDuration": "PT1H",
"suppressionEnabled": false,
"tactics": [
"Execution"
],
"techniques": [
"T1203"
],
"alertRuleTemplateName": "9f9c1e51-4fb1-4510-a675-c7c2fb32f47e",
"customDetails": null,
"entityMappings": [
{
"fieldMappings": [
{
"identifier": "HostName",
"columnName": "DeviceName"
}
],
"entityType": "Host"
}
],
"tags": [
"KNOTWEED"
],
"status": "Available",
"templateVersion": "1.0.1",
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Legacy IOC based Threat Protection/Analytic Rules/KNOTWEEDAVDetection.yaml"
}
}
]
}