alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE JS/Batloader Payload Request (GET)"; flow:established,to_server; http.method; content:"GET"; http.uri; pcre:"/^\x2f[a-z0-9]{6}\x2findex\x2f[a-z0-9]{2,32}(\x2f|\x3f)/"; content:"?servername=msi"; endswith; fast_pattern; reference:url,twitter.com/SquiblydooBlog/status/1598089057879625732; classtype:trojan-activity; sid:2041665; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_12_02, deployment Perimeter, deployment SSLDecrypt, malware_family JS_Batloader, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_12_02;)