ET WEB_CLIENT [TW] CAB From Possible WebDAV Share Possible DiagCab Abuse Attempt
Sourceet/open
CreatedJune 6, 2022
UpdatedDecember 2, 2024
Classificationattempted-user
alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET WEB_CLIENT [TW] CAB From Possible WebDAV Share Possible DiagCab Abuse Attempt"; flowbits:isset,ET.PROPFIND; flow:established,to_client; file_data; content:"|4d 53 43 46 00 00 00 00|"; within:8; reference:url,irsl.medium.com/the-trouble-with-microsofts-troubleshooters-6e32fc80b8bd; classtype:attempted-user; sid:2036879; rev:2; metadata:attack_target Client_Endpoint, created_at 2022_06_06, deployment Perimeter, deprecation_reason Age, confidence Medium, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_12_02, reviewed_at 2024_12_02;)
Metadata
attack targetClient_Endpoint
created at2022_06_06
deploymentPerimeter
deprecation reasonAge
confidenceMedium
signature severityMinor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2024_12_02
reviewed at2024_12_02
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