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SID: 2024878 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 2Oct 20, 2017, 12:00 PM

ET HUNTING SUSPICIOUS PSHELL Downloader Primitives B641 Oct 19 2017

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET HUNTING SUSPICIOUS PSHELL Downloader Primitives B641 Oct 19 2017"; flow:established,from_server; file_data; content:"U3RhcnQtUHJvY2Vzc"; pcre:"/(?:RG93bmxvYWRGaWxl|Rvd25sb2FkRmlsZ|Eb3dubG9hZEZpbG)/"; pcre:"/(?:V3JpdGUtSG9zd|dyaXRlLUhvc3|Xcml0ZS1Ib3N0)/"; pcre:"/U3lzdGVtLk5ldC5XZWJDbGllbn|N5c3RlbS5OZXQuV2ViQ2xpZW50|TeXN0ZW0uTmV0LldlYkNsaWVud/"; classtype:trojan-activity; sid:2024878; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_10_20, deployment Perimeter, malware_family Locky, performance_impact Low, confidence Medium, signature_severity Major, updated_at 2019_07_26;)

Oct 20, 2017, 12:00 PM

Jul 26, 2019, 12:00 PM

Sep 21, 2024, 3:00 AM

May 30, 2025, 12:04 AM

rules/emerging-hunting.rules