ET HUNTING HTTP GET Request for bouncycastle.crypto.dll - Possible Infostealer Activity
Sourceet/open
CreatedMarch 28, 2023
UpdatedMarch 28, 2023
Classificationsuspicious-filename-detect
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET HUNTING HTTP GET Request for bouncycastle.crypto.dll - Possible Infostealer Activity"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"bouncycastle.crypto.dll"; fast_pattern; nocase; classtype:suspicious-filename-detect; sid:2044799; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_03_28, deployment Perimeter, performance_impact Low, confidence Low, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_03_28; target:src_ip;)
Metadata
affected productWindows_XP_Vista_7_8_10_Server_32_64_Bit
attack targetClient_Endpoint
created at2023_03_28
deploymentPerimeter
performance impactLow
confidenceLow
signature severityInformational
tagDescription_Generated_By_Proofpoint_Nexus
updated at2023_03_28
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