alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE sysrv.ELF Exploit Success Payload Request"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/ldr.sh"; endswith; fast_pattern; http.user_agent; pcre:"/^(?:curl|wget)_?(?:c(?:ve_20(?:1(?:(?:7_1161|8_760)0|9_10758)|20_16846)|url_xxljobUnauth)|tp5)$/"; http.header_names; to_lowercase; content:!"|0d 0a|referer|0d 0a|"; reference:url,mblogs.akamai.com/sitr/2021/03/another-golang-crypto-miner-on-the-loose.html; reference:url,blogs.juniper.net/en-us/threat-research/sysrv-botnet-expands-and-gains-persistence; classtype:trojan-activity; sid:2033094; rev:2; metadata:attack_target Client_Endpoint, created_at 2021_06_04, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_24;)