alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE JS/Skimmer Inbound (Likely MageCart) M2"; flow:established,to_client; http.response_body; content:"W1sibmFtZSIsICJmaXJzdG5hbWUiL"; offset:50; depth:40; fast_pattern; content:"WyJuYW1lIiwgImxhc3RuYW1lIiw"; distance:0; content:"WyJuYW1lIiwgInN0cmVldFs"; distance:0; content:"WyJpZCIsICJhdXRobmV0Y2ltLWNjLW51bWJlciIs"; distance:0; content:"BbImlkIiwgImF1dGhuZXRjaW0tY2MtZXhwLXllYXI"; distance:0; reference:url,twitter.com/felixaime/status/1500812201262829568?s=20&t=xfD8gOOJuH7IZav4YxGkcw; reference:md5,a41474baac5a91c8033cfee943cea903; classtype:trojan-activity; sid:2035400; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_03_07, deployment Perimeter, malware_family MageCart, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_04_10;)