alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/Injector.DSQR CnC Activity (POST)"; flow:established,to_server; http.method; content:"POST"; http.user_agent; pcre:"/^dBrowser\x20\d\x20CallGetResponse\x3a\d$/"; http.header_names; content:!"Referer"; http.request_body; content:"data|3d 7b 22|msg|22 3a 22|DataRecivied|2d 3e 7b 5c 22|message|5c 22 3a 5c 22|JSON.parse|5c|"; fast_pattern; startswith; reference:url,otx.alienvault.com/indicator/file/ded76741a5f551fac777d384b089db408565f666ddf33669d6b8eefd8f3d34c3; classtype:command-and-control; sid:2034936; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_01_18, deployment Perimeter, malware_family Win32_Injector_DSQR, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_02_03, reviewed_at 2024_06_26;)