Versions (4)
Version DetailsCurrent
Rev: 1 • Jun 30, 2021, 12:00 PMET MALWARE Valyria Downloader Activity
alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Valyria Downloader Activity"; flow:established,to_client; file.data; content:"|5c|Temp|5c|regles2.cmd|22|"; fast_pattern; content:"|5c|Temp|5c|CMSTPBypass.exe"; distance:0; content:"|5c|Temp|5c|regles.cmd"; distance:0; reference:url,twitter.com/James_inthe_box/status/1409980230379311105; reference:md5,4f8c9ac36ca0268eb7c9ccec4f9d76f5; classtype:trojan-activity; sid:2033206; rev:1; metadata:attack_target Client_Endpoint, created_at 2021_06_30, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_06_30;)
Jun 30, 2021, 12:00 PM
Jun 30, 2021, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 10, 2025, 9:34 PM
rules/emerging-malware.rules