Rule History

alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/VB.SDB CnC Beacon"; flow:established,to_server; content:"Auth"; depth:4; content:"|20 40 20|"; distance:0; content:"|5c 23 2f|Microsoft|20|"; distance:0; fast_pattern; reference:md5,5a9a8502b87ce1a6a608debd10761957; reference:url,securelist.com/blog/research/76717/inpage-zero-day-exploit-used-to-attack-financial-institutions-in-asia/; classtype:command-and-control; sid:2023544; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2016_11_23, deployment Perimeter, malware_family Win32_VB_SDB, confidence High, signature_severity Major, tag c2, updated_at 2019_07_26, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;)