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SID: 2033449 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 2Jul 27, 2021, 12:00 PM

ET MALWARE Lunar Builder Exfil Response

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Lunar Builder Exfil Response"; flow:established,to_client; http.content_type; content:"application/json"; bsize:16; file.data; content:"|22|title|22 3a 20 22|Lunar|20|Builder|22|"; fast_pattern; content:"|22|name|22 3a 20 22|Stolen|20|From|22 2c|"; distance:0; reference:md5,19917b254644d1039dd31d0a488ddeeb; classtype:command-and-control; sid:2033449; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_07_27, deployment Perimeter, deployment SSLDecrypt, malware_family Lunar_Builder, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_07_27;)

Jul 27, 2021, 12:00 PM

Jul 27, 2021, 12:00 PM

Sep 21, 2024, 3:00 AM

Sep 9, 2025, 9:34 PM

rules/emerging-malware.rules