alert http $EXTERNAL_NET $HTTP_PORTS -> $HOME_NET any (msg:"ET ADWARE_PUP 2nd-thought (W32.Daqa.C) Download"; flow:established,to_client; file.data; content:"|67 6f 69 64 72 2e 63 61 62|"; nocase; content:"|48 6f 73 74 3a 20 77 77 77 2e 77 65 62 6e 65 74 69 6e 66 6f 2e 6e 65 74|"; fast_pattern; nocase; reference:url,securityresponse.symantec.com/avcenter/venc/data/adware.secondthought.html; classtype:pup-activity; sid:2001447; rev:11; metadata:created_at 2010_07_30, confidence High, signature_severity Minor, updated_at 2024_04_11;)