alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE SharpPanda APT Downloader Activity (GET)"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/Apricot/"; fast_pattern; http.user_agent; bsize:27; content:"Microsoft|20|Internet|20|Explorer"; reference:md5,d843b58f31c687d22de09a6765b3ba3b; reference:url,twitter.com/ShadowChasing1/status/1395274704366145539; reference:url,research.checkpoint.com/2021/chinese-apt-group-targets-southeast-asian-government-with-previously-unknown-backdoor/; classtype:trojan-activity; sid:2033054; rev:2; metadata:attack_target Client_Endpoint, created_at 2021_05_28, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_25;)