ET HUNTING Possible ELF executable sent when remote host claims to send a Text File
Sourceet/open
CreatedMay 18, 2021
UpdatedMay 18, 2021
Classificationbad-unknown
alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET HUNTING Possible ELF executable sent when remote host claims to send a Text File"; flow:established,from_server; http.header; content:"Content-Type|3a 20|text/plain"; file.data; content:"|7f 45 4c 46|"; startswith; fast_pattern; isdataat:3000,relative; classtype:bad-unknown; sid:2032973; rev:1; metadata:affected_product Linux, attack_target Client_Endpoint, created_at 2021_05_18, deployment Perimeter, confidence Medium, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_05_18;)
Metadata
affected productLinux
attack targetClient_Endpoint
created at2021_05_18
deploymentPerimeter
confidenceMedium
signature severityInformational
tagDescription_Generated_By_Proofpoint_Nexus
updated at2021_05_18
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