alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET MALWARE Win32/S1deload Stealer Data Exfiltration Attempt M2";
flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"/api/google"; startswith;
content:"?id=1&&uid="; fast_pattern; distance:0;
content:"&profile="; distance:0;
content:"&app="; distance:0;
content:"&type=1&ran=";
pcre:"/^[a-f0-9]{8}-(?:[a-f0-9]{4}-){3}[a-f0-9]{12}/R"; distance:0;
reference:url,www.bitdefender.com/files/News/CaseStudies/study/428/Bitdefender-PR-Whitepaper-S1deloadStealer-creat6669-en-EN.pdf;
classtype:trojan-activity;
sid:2044367; rev:1;
metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_02_27, deployment Perimeter, malware_family Win32_S1deload, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_02_27;
)