* Re: 2/13 PM NAV update [Correction]
@ 2002-02-13 22:42 Randall R Schulz
2002-02-13 22:46 ` Robert Collins
0 siblings, 1 reply; 3+ messages in thread
From: Randall R Schulz @ 2002-02-13 22:42 UTC (permalink / raw)
To: Bill Siegmund, lee.1801; +Cc: cygwin
Bill,
I noticed an error in my previous message.
>A better way to detect an alteration to a program is to use the "sum"
>command to generate a checksum. As I mentioned in my first resonse to Hong
>Xun, sum on my installed copy of the 1.3-6 cygz.dll yields this:
CORRECTION: I have the 1.3-7 (current) version installed, not the previous
1.3-6 and this is the 1.3-7 version's checksum:
>% sum /bin/cygz.dll
>19649 50
For completeness, the rest of my original message, unchanged, follows...
>For the 1.3-6 version the result is:
>
>% sum cygz.dll
>04409 49
>
>
>I did another LiveUpdate of my NAV virus descriptions (getting 30 new
>definitions, as you pointed out) and ran it on the 1.3-7 (latest) cygz.dll
>and still got no "hit." However, the new descriptions do seem to detect
>the "Backdoor Egghead" virus in the 1.3-6 version of cygz.dll.
>
>I am dubious that that DLL is really infected with a virus...Surely the
>pattern detection of NAV is susceptible to false positives, no?
>
>There's another interesting thing here: Clicking the "Virus Info..."
>button in the detection notification dialog displays a virus information
>dialog that, among other things, says that the virus length is 0 (zero)
>bytes. How dangerous could and empty "virus" be?
>
>Not that it matters, I'm not using that DLL and am unlikely to "downgrade"
>to it.
>
>I'd be mildly interested in a full and complete explanation of what's
>going on here, but I'm not going to lose any sleep over it or investigate
>any further.
>
>Randall Schulz
>Mountain View, CA USA
At 22:03 2002-02-13, Bill Siegmund wrote:
>Hongxun & Randall,
>
>This morning my NAV was still current as of 2/7 and protecting me against
>58723 viruses.
>
>'Round 4PM PST I got an update that made me current as of 2/13 and saw the
>count of viruses jump by 30.
>
>And after that the two CYGZ.DLLs on my disks began to be flagged as
>infected by the Backdoor Egghead virus.
>
>I deleted them and did a complete scan that turned up _no_ infected files.
>
>On running "setup", I got a version of CYGZ.DLL that the current version
>of NAV considers clean.
>
>For the record it is dated 1/20/02 11:42a and contains 50,688 Bytes.
>
>Bill Siegmund
>Cal-Tex Computers, Inc.
>1080 Rebecca Dr.
>Boulder Creek, California 95006
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^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: 2/13 PM NAV update [Correction]
2002-02-13 22:42 2/13 PM NAV update [Correction] Randall R Schulz
@ 2002-02-13 22:46 ` Robert Collins
2002-02-14 7:26 ` 2/13 PM NAV update [Correction of Corrections] Randall R Schulz
0 siblings, 1 reply; 3+ messages in thread
From: Robert Collins @ 2002-02-13 22:46 UTC (permalink / raw)
To: Bill Siegmund, lee.1801, Randall R Schulz; +Cc: cygwin
Please, for the sake of sanity, don't refer to packages by .dll
revisions. libz is separate from cygwin1.dll and updated at different
times.
Rob
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^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: 2/13 PM NAV update [Correction of Corrections]
2002-02-13 22:46 ` Robert Collins
@ 2002-02-14 7:26 ` Randall R Schulz
0 siblings, 0 replies; 3+ messages in thread
From: Randall R Schulz @ 2002-02-14 7:26 UTC (permalink / raw)
To: Robert Collins; +Cc: cygwin
Robert,
The numbers I gave were all zlib package release numbers, not Cygwin
release numbers.
Well.... Except for the fact that I systematically used these:
INCORRECT: 1.3-6 or 1.3-7
when I meant these:
CORRECT: 1.1.3-6 and 1.1.3-7
Sorry
Randall Schulz
Mountain View, CA USA
At 22:46 2002-02-13, you wrote:
>Please, for the sake of sanity, don't refer to packages by .dll revisions.
>libz is separate from cygwin1.dll and updated at different times.
>
>Rob
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^ permalink raw reply [flat|nested] 3+ messages in thread
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2002-02-13 22:42 2/13 PM NAV update [Correction] Randall R Schulz
2002-02-13 22:46 ` Robert Collins
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