Rule History

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET CURRENT_EVENTS [Fireeye] Backdoor.HTTP.BEACON.[CSBundle Original GET]"; flow:established,to_server; http.method; content:"GET"; http.accept; content:"*/*"; bsize:3; http.accept_lang; content:"en-US"; bsize:5; http.accept_enc; content:"gzip, deflate"; bsize:13; http.cookie; content:"display-culture=en|3b|check=true|3b|lbcs=0|3b|sess-id="; content:"|3b|SIDCC=AN0-TY21iJHH32j2m|3b|FHBv3=B"; fast_pattern; http.uri; pcre:"/^\/(?:v(?:1\/buckets\/default\/ext-5dkJ19tFufpMZjVJbsWCiqDcclDw\/records|4\/links\/activity-stream|3\/links\/ping-centre)|gp\/(?:aj\/private\/reviewsGallery\/get-(?:application-resource|image-gallery-asset)s|cerberus\/gv)|en-us\/(?:p\/(?:onerf\/MeSilentPassport|book-2\/8MCPZJJCC98C)|store\/api\/checkproductinwishlist)|wp-(?:content\/themes\/am43-6\/dist\/records|includes\/js\/script\/indigo-migrate)|api2\/json\/(?:cluster\/(?:resource|task)s|access\/ticket))/"; reference:url,github.com/fireeye/red_team_tool_countermeasures; classtype:trojan-activity; sid:2031264; rev:4; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_12_08, deployment Perimeter, confidence High, signature_severity Major, tag c2, updated_at 2023_12_22, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;)