Versions (5)
Version DetailsCurrent
Rev: 3 • Jun 7, 2021, 12:00 PMET MALWARE ELF/Facefish Empty Payload (set)
alert tcp-pkt $HOME_NET any -> $EXTERNAL_NET 443 (msg:"ET MALWARE ELF/Facefish Empty Payload (set)"; flow:established,to_server; flowbits:set,ET.facefish; flowbits:noalert; dsize:8; content:"|00 00 00 02 00 00 00 00|"; reference:url,blog.netlab.360.com/ssh_stealer_facefish_en; reference:md5,38fb322cc6d09a6ab85784ede56bc5a7; reference:md5,63dc3037bf0022e2d281f0463529bf60; classtype:trojan-activity; sid:2033109; rev:3; metadata:affected_product Mac_OSX, affected_product Linux, attack_target Client_Endpoint, created_at 2021_06_07, deployment Perimeter, malware_family ELF_Facefish, confidence Medium, signature_severity Major, tag RAT, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_04_17;)
Jun 7, 2021, 12:00 PM
Apr 17, 2023, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 11, 2025, 9:34 PM
rules/emerging-malware.rules