Versions (3)
Version DetailsCurrent
Rev: 1 • Jun 17, 2022, 12:00 PMET MALWARE CopperStealer - Remote Desktop - CnC Server Response via Pastebin
alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE CopperStealer - Remote Desktop - CnC Server Response via Pastebin"; flow:established,to_client; http.response_body; content:"data|2d|sourceurl|3d 22|https|3a 2f 2f|pastebin|2e|com|2f|raw|2f|"; content:"|0a 20 20 3c|pre|3e 40 40|"; distance:0; fast_pattern; content:"|7e 7e 40 40 3c 2f|pre|3e 0a 20 20|"; within:200; reference:md5,cb39d19f07ea387b1f1dcd22f889545b; reference:md5,04bc575585d4663f227cef14a65bea26; reference:url,www.trendmicro.com/en_us/research/22/f/websites-hosting-fake-cracks-spread-updated-copperstealer.html; classtype:command-and-control; sid:2037029; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_06_17, deployment Perimeter, malware_family CopperStealer, confidence Medium, signature_severity Major, tag c2, updated_at 2022_06_17, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)
Jun 17, 2022, 12:00 PM
Jun 17, 2022, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 21, 2024, 3:00 AM
rules/emerging-malware.rules