alert tcp $EXTERNAL_NET any -> $HOME_NET 3128 (msg:"ET EXPLOIT Squid NTLM Auth Overflow Exploit"; flow:to_server; content:"|4141 414a 4351 6b4a 4351 6b4a 4351 6b4a|"; offset:96; reference:url,www.idefense.com/application/poi/display?id=107; reference:cve,CAN-2004-0541; classtype:misc-attack; sid:2000342; rev:6; metadata:created_at 2010_07_30, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)