alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET MALWARE FakeBooking Payload CnC Activity (apif)";
flow:established,to_server;
urilen:9;
http.method;
content:"GET";
http.uri;
content:"/apif/"; startswith;
pcre:"/^[a-zA-Z0-9]\x2f[a-zA-Z0-9]/R";
http.user_agent;
content:"WindowsPowerShell"; fast_pattern;
reference:md5,2c29c8685f422db066601de0a8e55ee7;
reference:url,x.com/JAMESWT_WT/status/1961292003620102532;
classtype:trojan-activity;
sid:2064236; rev:1;
metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state plaintext, created_at 2025_08_29, deployment Perimeter, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_08_29;
target:src_ip;
)