Versions (3)
Version DetailsCurrent
Rev: 2 • Dec 4, 2019, 12:00 PMET MALWARE TickGroup ABK Backdoor CnC Check-in
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE TickGroup ABK Backdoor CnC Check-in"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/index.php?uid="; fast_pattern; content:"&pid="; distance:0; pcre:"/\?uid=[A-F0-9]{15,}&pid=\d+$/i"; http.header_names; content:"|0d 0a|User-Agent|0d 0a|Host|0d 0a 0d 0a|"; depth:22; endswith; reference:url,documents.trendmicro.com/assets/pdf/Operation-ENDTRADE-TICKs-Multistage-Backdoors-for-Attacking-Industries-and-Stealing-Classified-Data.pdf; reference:md5,ed363efd32984ed21e67cf618758b635; classtype:command-and-control; sid:2029093; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_12_04, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_10_24;)
Dec 4, 2019, 12:00 PM
Oct 24, 2020, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 22, 2025, 9:34 PM
rules/emerging-malware.rules