[Use case]LinkedIn phishing detection w/SA

Written by Admin | Aug 24, 2016 4:00:00 AM

I've developed a application rule to detect phishing attempt using fake LinkedIn site.

Don't hesitate to leave any suggestion or comment to enhance this app rule

[Scenario]

Attacker lure a user to click a fake LinkedIn link.

the fake web site looks like a legitimate linkedin login page

the user put his/her linkedin' ID/Password

Attacker get user's id and credential, redirect to original linkedin web site.

How to detect this attempt using SA application rule

I've used an app rule and SEARCH parser.

Rule name: LinkedIn phishing

Rule: extension='php' && match = 'LinkedIn','Linkedin','linkedin'

Dependancy: SEARCH parser

[LinkedIn]

Services=80

Keywords=LinkedIn;Linkedin;linkedin

Attachment:

fake linkedin log-in page: fake_linkedin.jpg

pcap sample: linkedinphishing.pcap###