alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32.Hack.PcClient.g CnC (OUTBOUND) XOR b5"; flow:established,to_server; content:"|d0 cd d0 db d4 d8 d0|"; content:"|d9 da d2 dc db|"; distance:0; content:"|d1 da d6 d8 d1|"; distance:0; content:"|dd da c6 c1 db d4 d8 d0|"; fast_pattern; distance:0; content:"|c2 dc db d1 da c2 c6|"; distance:0; reference:md5,dfd6b93dac698dccd9ef565a172123f3; classtype:command-and-control; sid:2018154; rev:4; metadata:created_at 2014_02_19, confidence Medium, signature_severity Major, updated_at 2024_03_06;)