alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE ErbiumStealer Response From CnC"; flow:established,to_client; http.stat_code; content:"200"; http.response_body; content:"|7b 22|k|22 3a 22|"; startswith; content:"|22|rer_module|22 3a 22|"; content:"|22|rer_direct_link|22 3a 22|"; content:"|22|fem_module|22 3a 22|"; content:"|22|fem_header|22 3a 22|"; content:"|22|fem_body|22 3a 22|"; content:"|22|fg_module|22 3a 22|"; content:"|22|fg_dirs|22 3a 22|"; content:"|22|fg_ext|22 3a 22|"; content:"|22|self_kill|22 3a 22|"; content:"|22|mozilla_modules|22 3a 22|"; content:"|22|anti_vm_score|22 3a 22|"; fast_pattern; reference:md5,6b74547f37e8c088ffa81dab867b241e; classtype:trojan-activity; sid:2038746; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_09_06, deployment Perimeter, malware_family Erbium, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_09_06;)