alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET CURRENT_EVENTS Inbound PowerShell? Executing Base64 Decoded VBE from Temp 2018-11-29"; flow:established,from_server; content:"200"; http_stat_code; file_data; content:"|3a 3a|FromBase64String"; nocase; content:"-Path|20|C|3a 5c|windows|5c|temp|5c|"; distance:0; nocase; content:"start-process|20|c|3a 5c|windows|5c|system32|5c|wscript.exe|20|-ArgumentList|20 22|c|3a 5c|windows|5c|temp|5c|"; distance:0; nocase; fast_pattern; content:".vbe|22|"; distance:0; within:20; metadata: former_category CURRENT_EVENTS; reference:url,www.clearskysec.com/muddywater-operations-in-lebanon-and-oman/; classtype:trojan-activity; sid:2026677; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, deployment Perimeter, tag PowerShell?, tag Obfuscated, signature_severity Major, created_at 2018_11_29, performance_impact Low, updated_at 2018_11_29;)

Added 2018-11-29 18:26:31 UTC


Topic revision: r1 - 2018-11-29 - TWikiGuest
 
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