alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Crimson RAT CnC Victim Details Exfil"; flow:established,to_server; content:"|00 00 00 00|"; offset:1; depth:4; content:"="; distance:5; within:5; content:"|00 00 00 7c|"; distance:0; content:"|7c 7c|C|3a 5c|Users|5c|"; distance:0; fast_pattern; reference:url,x.com/naumovax/status/1818646536600822231; reference:md5,f5380e7a6e15a0ef27e6f31fcc29ed4d; classtype:trojan-activity; sid:2054812; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state plaintext, created_at 2024_07_31, deployment Perimeter, malware_family CrimsonRAT, confidence High, signature_severity Critical, updated_at 2024_07_31;)