alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE ENV Variable Data Exfiltration Attempt (HTTP POST)"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/?org="; fast_pattern; startswith; content:"repo="; http.content_type; content:"application/json"; http.header_names; content:!"Referer"; reference:url,twitter.com/stephenlacy/status/1554697077430505473; classtype:trojan-activity; sid:2037910; rev:2; metadata:attack_target Client_and_Server, created_at 2022_08_03, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_09_17, reviewed_at 2024_09_17;)