Versions (3)
Version DetailsCurrent
Rev: 1 • Nov 30, 2023, 12:00 PMET MALWARE Suspected ToddyCat APT Curlu Related Activity M1
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Suspected ToddyCat APT Curlu Related Activity M1"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/?w="; startswith; fast_pattern; pcre:"/^[0-9]{5}$/R"; http.content_type; content:"application/x-www-form-urlencoded"; bsize:33; http.header_names; content:!"Referer"; reference:md5,910ea9f6b7f6d06fc42d448b143a3634; reference:url,research.checkpoint.com/2023/stayin-alive-targeted-attacks-against-telecoms-and-government-ministries-in-asia/; classtype:trojan-activity; sid:2049416; rev:1; metadata:attack_target Client_Endpoint, created_at 2023_11_30, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_11_30; target:src_ip;)
Nov 30, 2023, 12:00 PM
Nov 30, 2023, 12:00 PM
Dec 1, 2023, 11:00 PM
Aug 18, 2025, 8:35 PM
rules/emerging-malware.rules