alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET MALWARE Villain C2 Framework CnC Exfil (POST)";
flow:to_server,established;
http.method;
content:"POST";
http.user_agent;
content:"WindowsPowerShell/";
http.request_body;
content:"|0D 0A 0D 0A 20 20 20 20|Directory|3a 20|C|3a 5c|Users|5c|admin|5c|"; startswith; fast_pattern;
content:"|0d 0a|Mode|20 20|"; distance:0;
content:"|20 20 20|LastWriteTime|20 20 20 20|"; distance:0;
content:"| 20 20|Length|20|Name|20 20|"; distance:0;
http.header_names;
content:"Authorization";
reference:md5,c08cd421d6f47dcaa2c30395ddf057d8;
classtype:trojan-activity;
sid:2044260; rev:1;
metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_02_21, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_02_21;
)