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;)