alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE GoldenSpy CnC Activity"; flow:established,to_server; http.request_line; content:"POST /softServer/req "; startswith; fast_pattern; http.request_body; content:"requestStr=%7B%22"; startswith; reference:md5,edadf30df18e6a7ea190041cf3bd4a0b; reference:url,www.trustwave.com/en-us/resources/blogs/spiderlabs-blog/the-golden-tax-department-and-the-emergence-of-goldenspy-malware/; classtype:command-and-control; sid:2030396; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_06_17, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_06_17;)