ET HUNTING Observed Interesting Content-Type Inbound (application/x-sh)
Sourceet/open
CreatedMarch 2, 2021
UpdatedApril 15, 2024
Classificationpolicy-violation
alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET HUNTING Observed Interesting Content-Type Inbound (application/x-sh)"; flow:established,to_client; http.header; content:"Content-Type|3a 20|application/x-sh"; fast_pattern; pcre:"/^(?:\x3b|\r\n)/R"; reference:url,developer.mozilla.org/en-US/docs/Web/HTTP/Basics_of_HTTP/MIME_types/Common_types; classtype:policy-violation; sid:2031747; rev:3; metadata:affected_product Any, attack_target Client_Endpoint, created_at 2021_03_02, deployment Perimeter, performance_impact Significant, confidence Medium, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_15;)
Metadata
affected productAny
attack targetClient_Endpoint
created at2021_03_02
deploymentPerimeter
performance impactSignificant
confidenceMedium
signature severityInformational
tagDescription_Generated_By_Proofpoint_Nexus
updated at2024_04_15
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