ET HUNTING Possible ELF executable sent when remote host claims to send a Text File

7.0.35.0SID: 2032973Rev: 3Enabled2 views
Sourceet/open
Fileemerging-hunting.rules
CreatedMay 18, 2021
UpdatedApril 15, 2024
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,to_client; http.content_type; content:"text/plain"; startswith; file.data; content:"|7f 45 4c 46|"; startswith; fast_pattern; isdataat:3000,relative; classtype:bad-unknown; sid:2032973; rev:3; 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 2024_04_15;)

Metadata

affected productLinux
attack targetClient_Endpoint
created at2021_05_18
deploymentPerimeter
confidenceMedium
signature severityInformational
tagDescription_Generated_By_Proofpoint_Nexus
updated at2024_04_15

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