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Added DetectCVEExplot file #16

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Added DetectCVEExplot file #16

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434d846
Added DetectCVEExplot file
Aug 8, 2025
3d8a2f0
adding mfa bypass file
Aug 29, 2025
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16 changes: 16 additions & 0 deletions DefenderXDR/DetectCVEexploits.kql
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Original file line number Diff line number Diff line change
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// Get all the TVM data
let tvm_data = DeviceTvmSoftwareVulnerabilities
| distinct DeviceName, SoftwareName, SoftwareVendor, SoftwareVersion, CveId, VulnerabilitySeverityLevel;
// Get CVE signatures on the network
DeviceNetworkEvents
| where ActionType contains "NetworkSignatureInspected"
| extend AdditionalFields = todynamic(AdditionalFields)
| extend SignatureName = tostring(AdditionalFields.SignatureName),
SignatureMatchedContent = tostring(AdditionalFields.SignatureMatchedContent),
SamplePacketContent = tostring(AdditionalFields.SamplePacketContent)
| where SignatureName contains "CVE"
// Join the TVM data of the related device
| join kind=inner tvm_data on DeviceName
// Check if the server is vulnerable to the detected CVE in network traffic
| where SignatureName == CveId
| project-away DeviceName1
15 changes: 15 additions & 0 deletions Sentinel/AADMFABypass.kql
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SigninLogs
| where AuthenticationRequirement != "multiFactorAuthentication"
| where HomeTenantId == ResourceTenantId
| where tostring(NetworkLocationDetails) == "[]"
| where ResultType == 0
| where ConditionalAccessStatus == "success"
| where todynamic(AuthenticationDetails)[0].authenticationMethod != "Windows Hello for Business"
| where AppDisplayName != "Microsoft Intune Company Portal"
| where AppDisplayName != "Microsoft Intune Web Company Portal"
| where AppDisplayName != "Microsoft Office Web Apps Service"
| where AppDisplayName != "Microsoft Account Controls V2"
| where ResourceDisplayName != "Microsoft Intune Enrollment"
| project UserPrincipalName, UserId, AppDisplayName, ResourceDisplayName, NetworkLocationDetails, AuthenticationRequirement
| summarize count() by UserPrincipalName, AppDisplayName, ResourceDisplayName, AuthenticationRequirement
| sort by UserPrincipalName asc, count_ desc