Should fall in here
https://www.symantec.com/security_response/writeup.jsp?docid=2010-011016-3514-99
Whitepapers here:
https://www.symantec.com/content/en/us/enterprise/media/security_response/whitepapers/the_world_of_financial_trojans.pdf
http://www.itu.int/ITU-D/eur/rf/cybersecurity/presentations/ITU_IMPACT_banking_trojans%20by%20Symantec.pdf
Security Response Blog here:
http://www.symantec.com/connect/blogs/citadel-s-defenses-breached