alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Win32/Urausy.C response"; flow:established,to_client; file.data; content:"|0d 0a|<?xml version="; startswith; content:"<interval>"; distance:0; content:"</interval>"; distance:0; content:"<timeout>"; distance:0; content:"</timeout>"; distance:0; content:"|d1 81 d1 81 d1 8b d0 bb d0 be d0 ba 20|c&c -->"; fast_pattern; reference:md5,6213597f40ecb3e7cf2ab3ee5c8b1c70; classtype:trojan-activity; sid:2018499; rev:6; metadata:created_at 2014_05_23, malware_family Win32_Urausy_C, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_14;)