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You are here: Home arrow Forum arrow Resourcesarrow News from the Outside Worldarrow DECAF for your COFEE?
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February 09, 2012, 07:48:29 PM *
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Author Topic: DECAF for your COFEE?  (Read 4676 times)
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BillV
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« on: December 15, 2009, 09:13:44 AM »

Hackers Take Aim At COFEE With DECAF
Anti-forensics tool promises to inhibit popular law enforcement software

Full Article
DECAF Website

Quote
A pair of hackers says it has developed a defense for a popular computer forensics tool used by many law enforcement agencies.

The anti-forensics tool, which is called DECAF, is designed to obstruct Computer Online Forensic Evidence Extractor (COFEE), a cybercrime forensics tool that is broadly distributed by Microsoft for use by law enforcement agencies.

"DECAF provides real-time monitoring for COFEE signatures on USB devices and running applications," the hackers say on their Website. "Upon finding the presence of COFEE, DECAF performs numerous user-defined processes, including COFEE log clearing, ejecting USB devices, drive-by dropper, and an extensive list of Lockdown Mode settings. The Lockdown mode gives the user an automated approach to locking down the machine at the first sign of unusual law enforcement activity.
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sgt_mjc
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« Reply #1 on: December 15, 2009, 09:20:13 AM »

lol and who said crackers don't have a sense of humor. 
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Mike Conway
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« Reply #2 on: December 15, 2009, 10:43:50 AM »

DECAF much like COFFEE is useless..

I have a script similar to Coffee that is more indepth (geared towards malware) and is a simple batch file. DECAF does not prevent the log generation that includes most of the same commands that COFFEE invokes. It appears that DECAF blocks the COFFEE executable and that’s it. As you know the COFFEE executable is merely a pretty front-end for those afraid of the command line and scripts out commands that can be run from the prompt but adds in a pretty more presentable analysis (read: html)

The commands each profile of Coffee Runs:
"Volatile Data"
ipconfig, nbtstat, net, pslist, whoami, quser, psloggedon, netstat, sclist, showgrps, systeminfo

"Incident Response"
at, autoruns, getmac, handle, hostname, ipconfig, msinfo32, nbtstat, net, netdom, netstat, openfiles, pslist, psloggedon, psservice, pstat, psuptime, quser, route, sc, sclist showgrps, srvcheck, tasklist, whoami

All are readily available free from SysInternals, MS Resource Kits, and the internet.... MS is so gracious enough to include the switch operators for each command though!
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3PIL0GU3
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« Reply #3 on: December 17, 2009, 01:48:50 AM »

I heard about Anitforensic tools built into the Metasploit Framework a while ago under the name of MAFIA that allowed Timestamps on files to be changed and did various other things is this project still going
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BillV
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« Reply #4 on: December 18, 2009, 10:28:48 PM »

And... it's gone.

DECAF Neutralized
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