alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET MALWARE Daolpu Stealer Data Exfiltration Attempt";
flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"/Uploadss"; fast_pattern;
http.header_names;
content:!"|0d 0a|User-Agent|0d 0a|";
content:!"|0d 0a|Referer|0d 0a|";
http.request_body;
content:"Content-Disposition|3a 20|form-data|3b 20|name|3d 22|mac|22 0d 0a 0d 0a|";
content:"Content-Disposition|3a 20|form-data|3b 20|name|3d 22|key|22 0d 0a 0d 0a|"; distance:63; within:46;
reference:url,www.crowdstrike.com/blog/fake-recovery-manual-used-to-deliver-unidentified-stealer/;
classtype:trojan-activity;
sid:2054652; rev:1;
metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_and_Server, tls_state plaintext, created_at 2024_07_23, deployment Perimeter, malware_family Daolpu_Stealer, performance_impact Low, confidence High, signature_severity Major, updated_at 2024_07_23;
target:src_ip;
)