ET WEB_CLIENT Generic Webshell Accessed on External Compromised Server
Sourceet/open
CreatedDecember 8, 2020
UpdatedDecember 8, 2020
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:"c99shell</title>"; nocase; fast_pattern; content:"<b>C99Shell v. "; nocase; distance:0; classtype:web-application-attack; sid:2031272; rev:2; metadata:affected_product Web_Server_Applications, attack_target Web_Server, created_at 2020_12_08, deployment Perimeter, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_12_08;)
Metadata
affected productWeb_Server_Applications
attack targetWeb_Server
created at2020_12_08
deploymentPerimeter
confidenceMedium
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2020_12_08
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