ET MALWARE Request To Image Hosted on Archive .org With PowerShell User-Agent (Likely Steganography Payload)
Sourceet/open
Fileemerging-malware.rules
CreatedAugust 12, 2025
UpdatedAugust 12, 2025
Classificationtrojan-activity
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Request To Image Hosted on Archive .org With PowerShell User-Agent (Likely Steganography Payload)"; classtype:trojan-activity; sid:2063970; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2025_08_12, deployment Perimeter, deployment SSLDecrypt, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_08_12;)
Detection details are hidden.
Metadata
affected productWindows_XP_Vista_7_8_10_Server_32_64_Bit
attack targetClient_Endpoint
tls stateTLSDecrypt
created at2025_08_12
deploymentSSLDecrypt
confidenceMedium
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2025_08_12
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