alert tcp-pkt $HOME_NET any -> $EXTERNAL_NET 443 (msg:"ET POLICY ToDesk Remote Access Control Tool"; flow:established,to_server; content:"|00 00 00|"; startswith; content:"|01 0a 20|"; offset:4; depth:3; content:"|12|"; offset:39; depth:1; byte_jump:1,0,relative; content:"|18 01 22|"; within:3; byte_jump:1,0,relative; content:"|3a 3f|"; within:2; content:"B$"; distance:63; within:2; isdataat:!68,relative; reference:md5,d428709903e8c86bc02dfc29ab903634; classtype:policy-violation; sid:2031242; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_11_30, deployment Perimeter, performance_impact Significant, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_11_30;)