alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE APT34 TONEDEAF 2.0 Uploading to CnC"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/upl?ser="; startswith; fast_pattern; pcre:"/^=?[a-z0-9]{6}$/RUi"; http.user_agent; content:"Windows|20|Phone|20|OS"; reference:md5,a0324fa4f2d9d2f04ea4edad41160da6; classtype:command-and-control; sid:2029383; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_02_06, deployment Perimeter, malware_family TONEDEAF, performance_impact Low, confidence High, signature_severity Major, updated_at 2020_02_06;)