ET WEB_CLIENT Generic Webshell Accessed on External Compromised Server
Sourceet/open
CreatedApril 9, 2021
UpdatedApril 9, 2021
Classificationweb-application-attack
alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET WEB_CLIENT Generic Webshell Accessed on External Compromised Server"; flow:established,to_client; file.data; content:"<b><br><br>Linux|20|"; content:"method=|22|post|22 20|enctype=|22|multipart/form-data|22 20|name=|22|uploader|22 20|id=|22|uploader|22|><input type=|22|file|22 20|name=|22|file|22 20|size="; content:"<input name=|22|_upl|22 20|type=|22|submit|22 20|id=|22|_upl|22 20|value=|22|Upload|22|></form>"; fast_pattern; classtype:web-application-attack; sid:2032634; rev:2; metadata:affected_product Web_Server_Applications, attack_target Web_Server, created_at 2021_04_09, deployment Perimeter, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_04_09;)
Metadata
affected productWeb_Server_Applications
attack targetWeb_Server
created at2021_04_09
deploymentPerimeter
confidenceMedium
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2021_04_09
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