Rule History

alert dns $HOME_NET any -> any any (msg:"ET MALWARE Kimsuky APT BabyShark/SHARPEXT Related Domain in DNS Lookup (worldinfocontact .club)"; dns.query; content:"worldinfocontact.club"; nocase; bsize:21; reference:md5,fe3ad944d07b66c83dc433c39fc054f4; reference:url,www.huntress.com/blog/targeted-apt-activity-babyshark-is-out-for-blood; reference:url,www.volexity.com/blog/2022/07/28/sharptongue-deploys-clever-mail-stealing-browser-extension-sharpext/; classtype:domain-c2; sid:2035374; rev:2; metadata:attack_target Client_Endpoint, created_at 2022_03_02, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_03_01;)