alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Cohhoc RAT CnC Request"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"gAAAA"; offset:2; depth:5; content:"AAAAAAAAAAAAAAMjAx"; distance:1; within:18; content:"MiR"; distance:4; within:3; http.header_names; content:!"Referer"; reference:url,public.gdatasoftware.com/Presse/Publikationen/Whitepaper/EN/GDATA_TooHash_CaseStudy_102014_EN_v1.pdf; classtype:command-and-control; sid:2019625; rev:5; metadata:created_at 2014_11_03, signature_severity Major, updated_at 2020_08_18;)