Versions (4)
Version DetailsCurrent
Rev: 2 • Jan 31, 2017, 12:00 PMET RETIRED Possible DustySky PoisonIvy CnC Beacon
alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET RETIRED Possible DustySky PoisonIvy CnC Beacon"; flow:established,to_server; dsize:48; content:"|75 f0 01 ef 23 bf db 30 19 9f 56 74 01 f7 30 a0|"; offset:16; depth:16; reference:md5,2cd8c27bdc88ebba3e36114a1b55cef6; reference:url,researchcenter.paloaltonetworks.com/2017/01/unit42-downeks-and-quasar-rat-used-in-recent-targeted-attacks-against-governments/; classtype:command-and-control; sid:2023812; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_01_31, deployment Perimeter, former_category MALWARE, malware_family DustSky_related_Implant, confidence Medium, signature_severity Major, tag c2, updated_at 2024_12_05, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;)
Jan 31, 2017, 12:00 PM
Dec 5, 2024, 12:00 PM
Sep 21, 2024, 3:00 AM
May 30, 2025, 12:04 AM
rules/emerging-retired.rules