alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE ElectroRAT CnC Checkin"; flow:established,to_server; http.method; content:"POST"; http.uri; content:!"."; http.user_agent; content:"go-resty/"; startswith; http.header; content:"|20|(https|3a|//github.com/go-resty/resty)"; endswith; http.request_body; content:"{|22|id|22 3a 22|"; depth:7; content:"|22 2c 22|mac_name|22 3a 22|"; nocase; distance:0; content:"|22 2c 22|os_version|22 3a 22|"; nocase; fast_pattern; distance:0; content:"|22 2c 22|user_name|22 3a 22|"; nocase; distance:0; content:"|22 2c 22|os|22 3a 22|"; nocase; distance:0; http.header_names; content:!"|0d 0a|Referer|0d 0a|"; reference:md5,3cd1639f28659348e22c2eb8482cd3d6; reference:url,www.intezer.com/blog/research/operation-electrorat-attacker-creates-fake-companies-to-drain-your-crypto-wallets; classtype:trojan-activity; sid:2031478; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_01_05, deployment Perimeter, malware_family ElectroRAT, confidence High, signature_severity Major, updated_at 2024_03_12;)