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Rev: 3 • Nov 5, 2019, 12:00 PMET EXPLOIT_KIT Powershell Download Command Observed within Flash File - Probable EK Activity
alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET EXPLOIT_KIT Powershell Download Command Observed within Flash File - Probable EK Activity"; flow:established,to_client; http.stat_code; content:"200"; http.content_type; content:"application/x-shockwave-flash"; file.data; content:"cmd.exe /c powershell"; fast_pattern; content:"DownloadFile("; nocase; within:100; classtype:exploit-kit; sid:2028941; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_11_05, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_10_30;)
Nov 5, 2019, 12:00 PM
Oct 30, 2020, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 22, 2025, 9:34 PM
rules/emerging-exploit_kit.rules