Twin directories of Sophos:

[DIR]  ftp://ftp.stalker.com/data/Sophos/
[DIR]  ftp://ftp.rz.uni-frankfurt.de/pub/Sophos/
[DIR]  ftp://ftp.stalker.com/pub/plugins/Sophos/
[DIR]  ftp://ftp.shef.ac.uk/.snapshot/nightly.1/pub/uni/academic/A-C/acs/cics/Sophos/
[DIR]  ftp://ftp.fh-giessen.de/pub/Sophos/
[DIR]  ftp://ftp.cs.ubc.ca/local/glee/sophos6/Sophos/
[DIR]  ftp://194.186.254.27/.2/stalker/plugins/Sophos/
[DIR]  ftp://194.67.80.52/.2/stalker/plugins/Sophos/
[DIR]  ftp://ftp.cps.unizar.es/MacOSX/Security/AntiVirus/Sophos/
[DIR]  ftp://ftp.uni-rostock.de/pub/uni-rostock/rz/Sophos/
[DIR]  ftp://ftp.fh-furtwangen.de/RZ/Sophos/
[DIR]  ftp://ftp.lansystems.co.uk/pub/Sophos/