Re: RE: WebDAV Propfind? Anyone?

From: Floris Meester (floris.meesterat_private)
Date: Sat Sep 08 2001 - 05:14:56 PDT

  • Next message: Kevin Holmquist: "code red to ftp?"

    It does not matter what it is, propfind is known
    to give a heavy load on a machine, so you can use
    it as a D0s tool to bring someone down
    jakarta advises to bring some security on the
    use of propfind
    cheers flo
    
    Brady's First Law of Problem Solving:
            When confronted by a difficult problem, you can solve it more
    easily by reducing it to the question, "How would the Lone Ranger have
    handled this?"
    
    ----- Original Message -----
    From: Frank Knobbe <FKnobbeat_private>
    Date: Saturday, September 8, 2001 0:19 am
    Subject: RE: WebDAV Propfind?  Anyone?
    
    > -----BEGIN PGP SIGNED MESSAGE-----
    > Hash: SHA1
    > 
    > Keith,
    > 
    > I've been receiving these on occasion as well. I had contacted Compaq
    > about the one listed below, but never heard back from them. I don't
    > think these are intrusion attempts since all of them contain
    > 'PROPFIND /instmssoftware that checks for an instant messaging 
    > directory of some sort.
    > But what app is that? MS Messenger?
    > 
    > Regards,
    > Frank
    > 
    > - --->8---
    > [**] WEB-MISC webdav propfind access [**]
    > 07/31-03:18:39.633156 207.122.110.166:2545 -> x.x.x.x:80
    > TCP TTL:114 TOS:0x0 ID:20581 IpLen:20 DgmLen:468 DF
    > ***AP*** Seq: 0x5EB05800  Ack: 0xAEEBAEB  Win: 0x2238  TcpLen: 20
    > 50 52 4F 50 46 49 4E 44 20 2F 69 6E 73 74 6D 73  PROPFIND /instms
    > 67 2F 61 6C 69 61 73 65 73 2F 66 6B 6E 6F 62 62  65 20 48 54 54 50 
    > 2F 31 2E 30 0D 0A 56 69 61 3A  e HTTP/1.0..Via:
    > 20 31 2E 30 20 50 52 58 52 45 4F 30 33 0D 0A 43   1.0 PRXREO03..C
    > 6F 6E 74 65 6E 74 2D 4C 65 6E 67 74 68 3A 20 31  ontent-Length: 1
    > 35 39 0D 0A 43 6F 6E 74 65 6E 74 2D 54 79 70 65  59..Content-Type
    > 3A 20 74 65 78 74 2F 78 6D 6C 0D 0A 48 6F 73 74  : text/xml..Host
    > 3A 20 xx xx xx xx xx xx xx xx xx xx xx xx xx xx  : xxxxxxxxxxxxx.
    > 0A 44 65 70 74 68 3A 20 30 0D 0A 52 56 50 2D 4E  .Depth: 0..RVP-N
    > 6F 74 69 66 69 63 61 74 69 6F 6E 73 2D 56 65 72  otifications-Ver
    > 73 69 6F 6E 3A 20 30 2E 32 0D 0A 52 56 50 2D 46  sion: 0.2..RVP-F
    > 72 6F 6D 2D 50 72 69 6E 63 69 70 61 6C 3A 20 68  rom-Principal: h
    > 74 74 70 3A 2F 2F 69 6D 2E 63 70 71 63 6F 72 70  ttp://im.cpqcorp
    > 2E 6E 65 74 2F 69 6E 73 74 6D 73 67 2F 61 6C 69  .net/instms61 73 
    > 65 73 2F 72 69 63 68 61 72 64 2E 6C 75 73  ases/richard.lus
    > 68 0D 0A 43 6F 6E 6E 65 63 74 69 6F 6E 3A 20 4B  h..Connection: K
    > 65 65 70 2D 41 6C 69 76 65 0D 0A 0D 0A 3C 3F 78  eep-Alive....<?x
    > 6D 6C 20 76 65 72 73 69 6F 6E 3D 22 31 2E 30 22  ml version="1.0"
    > 3F 3E 0A 3C 64 3A 70 72 6F 70 66 69 6E 64 20 78  ?>.<d:propfind x
    > 6D 6C 6E 73 3A 64 3D 27 44 41 56 3A 27 20 78 6D  mlns:d='DAV:' xm
    > 6C 6E 73 3A 72 3D 27 68 74 74 70 3A 2F 2F 73 63  lns:r='http://sc
    > 68 65 6D 61 73 2E 6D 69 63 72 6F 73 6F 66 74 2E  hemas.microsoft.
    > 63 6F 6D 2F 72 76 70 2F 27 3E 3C 64 3A 70 72 6F  com/rvp/'><d:pro
    > 70 3E 3C 72 3A 73 74 61 74 65 2F 3E 3C 64 3A 64  p><r:state/><d:d
    > 69 73 70 6C 61 79 6E 61 6D 65 2F 3E 3C 72 3A 65  isplayname/><r:e
    > 6D 61 69 6C 2F 3E 3C 2F 64 3A 70 72 6F 70 3E 3C  mail/></d:prop><
    > 2F 64 3A 70 72 6F 70 66 69 6E 64 3E              /d:propfind>
    > 
    > =+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+
    > =+=+
    > 
    > 
    > 
    > > -----Original Message-----
    > > From: McCammon, Keith [mailto:Keith.McCammonat_private]
    > > Sent: Friday, September 07, 2001 1:46 PM
    > > 
    > > Can anyone explain to me what's happening here?  WebDAV is 
    > > disabled on the
    > > target web server per the MS procedure.  Pat Sellers is an internal
    > > employee.  I've seen several employee names coming accross in 
    > > this fashion,
    > > and it's starting to get bothersome.  Unfortunately, I don't 
    > > know much about
    > > WebDAV requests/replies (which is, of course, why I've kept 
    > > it disabled).
    > > 
    > > Any help would be appreciated.
    > > 
    > > Keith
    > > 
    > > [**] IDS475/web-iis_web-webdav-propfind [**]
    > > 09/07-13:57:13.692020 65.201.42.82:58299 -> X.X.X.X:80
    > > TCP TTL:115 TOS:0x0 ID:44852 IpLen:20 DgmLen:319 DF
    > > ***AP*** Seq: 0xF92DC1E4  Ack: 0xB60B6704  Win: 0x4000  TcpLen: 20
    > > 50 52 4F 50 46 49 4E 44 20 2F 69 6E 73 74 6D 73  PROPFIND /instms
    > > 67 2F 61 6C 69 61 73 65 73 2F 70 61 74 2E 73 65  > 6C 6C 65 72 
    > 73 20 48 54 54 50 2F 31 2E 30 0D 0A  llers HTTP/1.0..
    > > 56 69 61 3A 20 31 2E 31 20 57 48 49 54 45 48 4F  Via: 1.1 WHITEHO
    > > 52 53 45 0D 0A 43 6F 6E 74 65 6E 74 2D 4C 65 6E  RSE..Content-Len
    > > 67 74 68 3A 20 31 35 39 0D 0A 43 6F 6E 74 65 6E  gth: 159..Conten
    > > 74 2D 54 79 70 65 3A 20 74 65 78 74 2F 78 6D 6C  t-Type: text/xml
    > > 0D 0A 48 6F 73 74 3A 20 65 61 64 76 61 6E 63 65  ..Host: ourdomai
    > > 6D 65 64 2E 63 6F 6D 0D 0A 44 65 70 74 68 3A 20  n.com..Depth: 
    > > 30 0D 0A 52 56 50 2D 4E 6F 74 69 66 69 63 61 74  0..RVP-Notificat
    > > 69 6F 6E 73 2D 56 65 72 73 69 6F 6E 3A 20 30 2E  ions-Version: 0.
    > > 32 0D 0A 52 56 50 2D 46 72 6F 6D 2D 50 72 69 6E  2..RVP-From-Prin
    > > 63 69 70 61 6C 3A 20 68 74 74 70 3A 2F 2F 69 6D  cipal: http://im
    > > 2E 73 73 69 61 64 76 61 6E 74 61 67 65 2E 63 6F  .ssiadvantage.co
    > > 6D 2F 69 6E 73 74 6D 73 67 2F 61 6C 69 61 73 65  m/instms> 73 2F 
    > 65 63 61 72 72 6F 7A 7A 61 0D 0A 43 6F 6E  s/ecarrozza..Con
    > > 6E 65 63 74 69 6F 6E 3A 20 4B 65 65 70 2D 41 6C  nection: Keep-Al
    > > 69 76 65 0D 0A 0D 0A                             ive....
    > 
    > -----BEGIN PGP SIGNATURE-----
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    > Comment: Free Dmitry Sklyarov !
    > 
    > iQOHnkJqvaclO5A+98Rxf1UGsK
    > =RjeX
    > -----END PGP SIGNATURE-----
    > 
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