alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/Spy.KeyLogger.RJA Checkin"; flow:established,to_server; content:"|b8 0f 00 00 47 00 45 00 54 00 20 00 2f 00 69 00 6e 00 64 00 65 00 78 00 2e 00 70 00 68 00 70 00 20 00 48 00 54 00 54 00 50 00 2f 00 31 00 2e|"; startswith; fast_pattern; content:"|31 00 20 00 6d 00 69 00 6e|"; distance:0; reference:md5,f470070c30da8769f1b24eeaace17498; classtype:trojan-activity; sid:2043303; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_01_13, deployment Perimeter, malware_family Win32_Spy_KeyLogger_RJA, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_01_13;)