alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET TROJAN Win32/Valak Checkin - Server Response"; flow:established,to_client; content:"200"; http_stat_code; file_data; content:"|2d 2d|BODYdmFyIGNvbmZpZyA9IHsNCiA"; depth:29; metadata: former_category MALWARE; reference:md5,c254b4f261a6f426c282ed8858a7bee0; reference:url,medium.com/@prsecurity_/casual-analysis-of-valak-c2-3497fdb79bf7; classtype:trojan-activity; sid:2029194; rev:2; metadata:attack_target Client_Endpoint, deployment Perimeter, signature_severity Major, created_at 2019_12_21, performance_impact Low, updated_at 2019_12_21;)

Added 2019-12-23 19:12:44 UTC


Topic revision: r1 - 2019-12-24 - TWikiGuest
 
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