Rule History

alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE JaskaGO CnC Host Profile Exfil"; flow:established,to_server; content:"|7b 22|build|5f|id|22 3a 22|"; content:"|22 2c 22|machine|5f|id|22 3a 22|"; content:"|22 2c 22|machine|5f|name|22 3a 22|"; content:"|22 2c 22|access|5f|privileges|22 3a 22|"; fast_pattern; content:"|7d 2c 22|network|5f|interface|22 3a 22|"; reference:url,cybersecurity.att.com/blogs/labs-research/behind-the-scenes-jaskagos-coordinated-strike-on-macos-and-windows; reference:md5,82efd3e201473bc746fc4b8cddfec8ee; classtype:trojan-activity; sid:2049801; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Mac_OSX, attack_target Client_Endpoint, created_at 2023_12_20, deployment Perimeter, confidence High, signature_severity Critical, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_12_20;)