Versions (4)
Version DetailsCurrent
Rev: 3 • May 13, 2019, 12:00 PMET MALWARE MSIL/Almashreq CnC Checkin
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE MSIL/Almashreq CnC Checkin"; flow:established,to_server; http.method; content:"POST"; http.user_agent; content:"MS|20|Web|20|Services|20|Client|20|Protocol"; fast_pattern; http.request_body; content:"<?xml"; depth:5; content:"<PCName>"; distance:0; content:"<|2f|PCName>"; distance:0; content:!"<SiteID>"; http.header_names; content:"SOAPAction"; content:!"Referer"; classtype:command-and-control; sid:2027353; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_05_13, deployment Perimeter, malware_family MSIL_Almashreq, performance_impact Low, confidence High, signature_severity Major, tag Backdoor, updated_at 2020_10_21;)
May 13, 2019, 12:00 PM
Oct 21, 2020, 12:00 PM
Sep 21, 2024, 3:00 AM
May 30, 2025, 12:04 AM
rules/emerging-malware.rules