aimbot , also using other hacks randomly , like damage hack on MG4 for example 60% damage ( impossible even on hardcore ) 

http://battlelog.battlefield.com/bf4/battlereport/show/1/1028606099451879808/380902030/

http://battlelog.battlefield.com/bf4/battlereport/show/1/1028592973713056128/380902030/

http://battlelog.battlefield.com/bf4/battlereport/show/1/1028367108842072896/380902030/

http://battlelog.battlefield.com/bf4/battlereport/show/1/1027199294772108672/380902030/