I downloaded this b.jpg file (using flashget) and ultraedit shows the
following. (acdsee views it as a blank image). Could some one explain
what's going on? Thanks!
00000000h: FF D8 FF E0 00 10 4A 46 49 46 00 01 01 00 00 01 ;
??.JFIF......
00000010h: 00 01 00 00 FF FE 00 3E 43 52 45 41 54 4F 52 3A ;
.....?>CREATOR:
00000020h: 20 67 64 2D 6A 70 65 67 20 76 32 2E 30 20 28 75 ; gd-jpeg
v2.0 (u
00000030h: 73 69 6E 67 20 49 4A 47 20 4A 50 45 47 20 76 36 ; sing IJG
JPEG v6
00000040h: 32 29 2C 20 64 65 66 61 75 6C 74 20 71 75 61 6C ; 2),
default qual
00000050h: 69 74 79 0A FF DB 00 43 00 08 06 06 07 06 05 08 ;
ity.?C........
00000060h: 07 07 07 09 09 08 0A 0C 14 0D 0C 0B 0B 0C 19 12 ;
.................
00000070h: 13 0F 14 1D 1A 1F 1E 1D 1A 1C 1C 20 24 2E 27 20 ;
............ $.'
00000080h: 22 2C 23 1C 1C 28 37 29 2C 30 31 34 34 34 1F 27 ;
",#..(7),01444.'
00000090h: 39 3D 38 32 3C 2E 33 34 32 FF DB 00 43 01 09 09 ;
9=82<.342?C...
000000a0h: 09 0C 0B 0C 18 0D 0D 18 32 21 1C 21 32 32 32 32 ;
.........2!.!2222
000000b0h: 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 ;
2222222222222222
000000c0h: 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 ;
2222222222222222
000000d0h: 32 32 32 32 32 32 32 32 32 32 32 32 32 32 FF C0 ;
22222222222222?
000000e0h: 00 11 08 00 01 00 01 03 01 22 00 02 11 01 03 11 ;
.........."......
000000f0h: 01 FF C4 00 1F 00 00 01 05 01 01 01 01 01 01 00 ;
..?............
00000100h: 00 00 00 00 00 00 00 01 02 03 04 05 06 07 08 09 ;
.................
00000110h: 0A 0B FF C4 00 B5 10 00 02 01 03 03 02 04 03 05 ;
...??.........
00000120h: 05 04 04 00 00 01 7D 01 02 03 00 04 11 05 12 21 ;
.......}........!
00000130h: 31 41 06 13 51 61 07 22 71 14 32 81 91 A1 08 23 ;
1A..Qa."q.2亼?#
00000140h: 42 B1 C1 15 52 D1 F0 24 33 62 72 82 09 0A 16 17 ;
B绷.R佯$3br?...
00000150h: 18 19 1A 25 26 27 28 29 2A 34 35 36 37 38 39 3A ;
....%&'()*456789:
00000160h: 43 44 45 46 47 48 49 4A 53 54 55 56 57 58 59 5A ;
CDEFGHIJSTUVWXYZ
00000170h: 63 64 65 66 67 68 69 6A 73 74 75 76 77 78 79 7A ;
cdefghijstuvwxyz
00000180h: 83 84 85 86 87 88 89 8A 92 93 94 95 96 97 98 99 ;
儎厗噲墛挀敃枟槞
00000190h: 9A A2 A3 A4 A5 A6 A7 A8 A9 AA B2 B3 B4 B5 B6 B7 ;
殺¥ウЖ┆渤吹斗
000001a0h: B8 B9 BA C2 C3 C4 C5 C6 C7 C8 C9 CA D2 D3 D4 D5 ;
腹郝媚牌侨墒矣哉
000001b0h: D6 D7 D8 D9 DA E1 E2 E3 E4 E5 E6 E7 E8 E9 EA F1 ;
肿*卺忏溴骁*犟
000001c0h: F2 F3 F4 F5 F6 F7 F8 F9 FA FF C4 00 1F 01 00 03 ;
蝮趱鲼??....
000001d0h: 01 01 01 01 01 01 01 01 01 00 00 00 00 00 00 01 ;
.................
000001e0h: 02 03 04 05 06 07 08 09 0A 0B FF C4 00 B5 11 00 ;
...........??.
000001f0h: 02 01 02 04 04 03 04 07 05 04 04 00 01 02 77 00 ;
...............w.
00000200h: 01 02 03 11 04 05 21 31 06 12 41 51 07 61 71 13 ;
.......!1..AQ.aq.
00000210h: 22 32 81 08 14 42 91 A1 B1 C1 09 23 33 52 F0 15 ;
"2?.B憽绷.#3R?
00000220h: 62 72 D1 0A 16 24 34 E1 25 F1 17 18 19 1A 26 27 ;
br?.$4??...&'
00000230h: 28 29 2A 35 36 37 38 39 3A 43 44 45 46 47 48 49 ;
()*56789:CDEFGHI
00000240h: 4A 53 54 55 56 57 58 59 5A 63 64 65 66 67 68 69 ;
JSTUVWXYZcdefghi
00000250h: 6A 73 74 75 76 77 78 79 7A 82 83 84 85 86 87 88 ;
jstuvwxyz們*唶?
00000260h: 89 8A 92 93 94 95 96 97 98 99 9A A2 A3 A4 A5 A6 ;
墛挀敃枟槞殺¥ウ
00000270h: A7 A8 A9 AA B2 B3 B4 B5 B6 B7 B8 B9 BA C2 C3 C4 ;
Ж┆渤吹斗腹郝媚
00000280h: C5 C6 C7 C8 C9 CA D2 D3 D4 D5 D6 D7 D8 D9 DA E2 ;
牌侨墒矣哉肿*阝
00000290h: E3 E4 E5 E6 E7 E8 E9 EA F2 F3 F4 F5 F6 F7 F8 F9 ;
沅彐玷殛蝮趱鲼
000002a0h: FA FF DA 00 0C 03 01 00 02 11 03 11 00 3F 00 F9 ;
??.........?.?
000002b0h: FE 8A 28 A0 0F FF D9 ; (?
le*****@gmail.com wrote:
Dear experts,
I came across the following script in a htm file. Could some one
explain why is it passing some parameter to a jpg file? What does it
mean?
Thanks
<script language="JavaScript" type="text/javascript">
<!--
var r=Math.random();
document.write("<img alt=\"\" width=\"1\" height=\"1\"
style=\"display:none\" ");
document.write("src=\"http://tracking.xxxx.com/b.jpg?cD0yJnU9ey9jbHViLmNoaW5hLmFsaWJhYmEuY29tL2h0 bWwvcGFnZS9jaGF0Lmh0bWx9Jm09e0dFVH0mcz17MjAwfSZyPX todHRwOi8vY2hhdDEuaW5mby5jaGluYS5hbGliYWJhLmNvbS8w MS9saXZlX3RvcC5odG1sfSZhPXstfSZiPXtjX2Nfc2lnbmVkPU 59JmM9ey19&rand="+r+"\">");
-->
</script>
Leo