alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET USER_AGENTS MtGox Leak wallet stealer UA"; flow:established,to_server; content:"MtGoxBackOffice"; depth:15; http_user_agent; reference:url,www.securelist.com/en/blog/8196/Analysis_of_Malware_from_the_MtGox_leak_archive; reference:md5,c4e99fdcd40bee6eb6ce85167969348d; classtype:trojan-activity; sid:2018279; rev:4; metadata:created_at 2014_03_14, confidence High, signature_severity Minor, updated_at 2019_07_26;)