[login failed]
log 1 pass = Aug 29 07:21:05 hostname asterisk[3284]: NOTICE[3734]: chan_sip.c:28088 in handle_request_register: Registration from '"3810" <sip:3810@1.2.3.4:5060>' failed for '37.8.26.31:5065' - Wrong password
log 2 pass = Dec 16 18:02:04 asterisk1 asterisk[31774]: NOTICE[31787]: chan_sip.c:11242 in handle_request_register: Registration from '"503"<sip:503@192.168.1.107>' failed for '192.168.1.137' - Wrong password

rule = 6210
alert = 5
decoder = asterisk

[invalid extension]
log 1 pass = Aug 30 16:02:29 hostname asterisk[3284]: NOTICE[3734][C-00001c7a]: chan_sip.c:25650 in handle_request_invite: Call from '' (89.163.146.112:5071) to extension '70046313115067' rejected because extension not found in context 'default'.

rule = 6258
alert = 5
decoder = asterisk