alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE DeathStalker APT Related Maldoc Activity (GET)"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/api?req="; startswith; http.host; content:".pythonanywhere.com"; endswith; fast_pattern; http.user_agent; content:"|3b 20|ms-office|3b 20|"; http.header_names; content:!"Referer|0d 0a|"; reference:md5,871d64d8330d956593545dfff069194e; reference:md5,6161845ad2c2a2e830f249df4e0c502a; reference:url,securelist.com/what-did-deathstalker-hide-between-two-ferns/99616/; reference:url,usa.kaspersky.com/about/press-releases/2020_infamous-hacker-for-hire-group-death-stalker-hits-the-americas-and-europe-with-new-power-pepper-malware; classtype:trojan-activity; sid:2036462; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_05_04, deployment Perimeter, deployment SSLDecrypt, malware_family DeathStalker, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_05_04;)