alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE DarkGate AutoIt Downloader"; flow:established,to_client; http.stat_code; content:"200"; file.data; content:"|26 20|copy|20|c|3a 5c|windows|5c|system32|5c|curl|2e|exe"; content:"|22|User|2d|Agent|3a 20|curl|22|"; distance:0; fast_pattern; content:"& Autoit3.exe"; distance:0; content:".au3"; distance:0; reference:url,twitter.com/0xToxin/status/1701883445708771822; reference:url,0xtoxin.github.io/threat%20breakdown/DarkGate-Camapign-Analysis/; classtype:trojan-activity; sid:2048098; rev:1; metadata:created_at 2023_09_15, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_09_15, reviewed_at 2023_09_18;)