alert http any any -> [$HOME_NET,$HTTP_SERVERS] any (msg:"ET EXPLOIT Mongo-Express RCE Inbound (CVE-2019-10758)"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/checkValid"; http.request_body; content:"document=this.constructor"; content:"execSync"; distance:0; fast_pattern; reference:cve,2019-10758; reference:url,github.com/masahiro331/CVE-2019-10758; reference:url,blogs.juniper.net/en-us/threat-research/sysrv-botnet-expands-and-gains-persistence; classtype:attempted-admin; sid:2033113; rev:1; metadata:attack_target Client_Endpoint, created_at 2021_06_08, cve CVE_2019_10758, deployment Perimeter, confidence Medium, signature_severity Major, tag CISA_KEV, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_06_08;)