alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET ADWARE_PUP W32/Softpulse PUP Install Failed Beacon";
flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"?sentry_version=";
content:"&sentry_client="; distance:0;
content:"&sentry_key=84ce05510b844b75acc37de959560a65&sentry_secret=1c9aa912021b4626a5b7a7e589cba678&sentry_data="; distance:0;
http.header_names;
content:!"Referer|0d 0a|";
reference:md5,bb9f26d52327979fb9b4d467408eba25;
classtype:pup-activity;
sid:2021027; rev:4;
metadata:attack_target Client_Endpoint, created_at 2015_04_28, deployment Perimeter, signature_severity Minor, tag c2, updated_at 2020_08_31, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;
)