alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE TinyTurla CnC Activity"; flow:established,to_server; http.method; content:"POST"; http.header_names; content:"|0d 0a|Title|0d 0a|"; fast_pattern; http.header; content:"Title|3a 20|"; content:"-"; distance:8; within:1; content:"-"; distance:4; within:1; content:"-"; distance:4; within:1; content:"-"; distance:4; within:1; content:"|0d 0a|"; distance:12; within:2; reference:url,blog.talosintelligence.com/2021/09/tinyturla.html; classtype:command-and-control; sid:2034018; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, created_at 2021_09_23, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_09_23;)