alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE CMDEmber Backdoor Style Request"; flow:established,to_server; http.method; content:"PUT"; http.uri; content:"/|28|"; startswith; content:"|29|"; distance:4; within:1; content:"/.json?print=silent"; distance:14; within:19; endswith; fast_pattern; http.request_body; content:"|7b 22 64 65 74 61 69 6c 22 3a 22|"; startswith; http.header_names; content:!"User-Agent|0d 0a|"; content:!"Referer|0d 0a|"; reference:md5,4e1201ac8cc7685d147170f9140e5ac7; reference:md5,c6ca1afa0f6e7eea5fedf70d1e95c01e; reference:url,www.sentinelone.com/labs/wip26-espionage-threat-actors-abuse-cloud-infrastructure-in-targeted-telco-attacks/; classtype:trojan-activity; sid:2046168; rev:1; metadata:attack_target Client_Endpoint, created_at 2023_06_08, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence Medium, signature_severity Critical, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_06_08; target:src_ip;)