Versions (4)
Version DetailsCurrent
Rev: 1 • Apr 23, 2021, 12:00 PMET MALWARE MICROPSIA CnC Checkin M2
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE MICROPSIA CnC Checkin M2"; flow:established,to_server; http.method; content:"POST"; http.content_type; content:"application/x-www-form-urlencoded"; bsize:33; http.request_body; content:"D5wdnvX3A="; startswith; content:"&WgJEo7TIB=c2xsZ3JhdA&"; distance:0; fast_pattern; reference:md5,bbe4dddc09dcef160db0fd4c24c4f052; reference:url,about.fb.com/wp-content/uploads/2021/04/Technical-threat-report-Arid-Viper-April-2021.pdf; classtype:command-and-control; sid:2032821; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_04_23, deployment Perimeter, malware_family MICROPSIA, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_04_23;)
Apr 23, 2021, 12:00 PM
Apr 23, 2021, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 12, 2025, 9:34 PM
rules/emerging-malware.rules