alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Xehook Stealer CnC Checkin - Server Response"; flow:established,to_client; flowbits:isset,ET.XEHOOK.Checkin; http.stat_code; content:"200"; file.data; content:"|7b 0d 0a 09 22|debug|22 3a 20 22|0|22 2c 0d 0a|"; startswith; content:"|22|domaindetect|22 3a 20 22|"; distance:0; fast_pattern; reference:url,twitter.com/spamhaus/status/1762799827300008300; reference:md5,1c3c3d869eb0804b24ed9bb2fdd8f3f6; classtype:trojan-activity; sid:2051458; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2024_03_04, deployment Perimeter, deployment SSLDecrypt, malware_family Xehook, performance_impact Low, confidence High, signature_severity Major, updated_at 2024_03_04; target:dest_ip;)