Not sure how big a collection of pcaps you have but one way is to search
the pcap files for the passwords that you find. There will be
timestamps in the raw packet. If you have 20 or 30 different passwords,
that can work but if you have hundreds and hundreds....well, that's
getting to be a lot of work;) I've done the "20-30 method" but never
had a need to automate it.
-----Original Message-----
From: listbounce@securityfocus.com [mailto:listbounce@securityfocus.com]
On Behalf Of David
Sent: Sunday, September 16, 2007 8:00 AM
To: Pen-Testing
Subject: Extracting credentials from pcap
I have a large number of pcaps from sensors around a network. I'd like
to be able to extract details of authentications (e.g. HTTP, POP, IMAP)
and credentials from these, with dates and times so I can draw up a
report for a customer. Unfortunately they seem to have neglected to
implement decent logging and now they are stuck.
dsniff is fantastic at pulling out various credentials but it doesn't
get the dates correct from pcap. When digging about the source code it
seems that dsniff just prints the current time/date when it finds a new
record. It doesn't even seem that libnids passes the pcap timestamp.
So I'm looking for other ideas to extract credentials along with the
date and time of their occurrence. This way I can hopefully have a
decent log of what happened when and find out "whodunnit".
Any ideas?
David
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