alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE ChromeLoader CnC Error"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/err?iver="; fast_pattern; startswith; content:"did="; content:"ver="; http.request_body; content:"This command cannot be run due to an error|3a 20|"; startswith; reference:md5,ad13ce579df176b2c7ab440dd8d2252a; classtype:trojan-activity; sid:2039747; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_11_07, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_11_07;)