Rule History

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE DCRat Initial Checkin Server Response M6"; flow:established,to_client; http.stat_code; content:"200"; bsize:3; http.response_body; content:"User|20|connected"; fast_pattern; content:"|20|ID|3a 20|"; distance:14; within:6; content:"|20|Comment|3a 20|"; distance:40; within:20; content:"|20|User|20|Name|3a 20|"; distance:15; within:20; content:"|20|PC|20|Name|3a 20|"; within:100; content:"|20|OS|20|Info|3a 20|"; within:100; content:"|20|IP|3a 20|"; within:100; content:"|20|GEO|3a 20|"; distance:15; within:12; content:"|20|Working|20|Directory|3a 20|"; within:100; reference:url,github.com/eatinsundip/Suricata/tree/main/ET_Open_Submissions/2023/January/DCRat_Activity_01192023; reference:md5,0a0a64f3c4fa7d960be983aa0a7d0ce8; classtype:trojan-activity; sid:2043418; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_01_20, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_04_07, reviewed_at 2024_01_26;)