Temel kavramlar · Emin ÜZÜN

00000000 31 39 38 38 20 4d 6f 72 72 69 73 20 57 6f 72 6d |1988 Morris Worm| 00000080 30 39 30 25 75 36 38 35 38 00 00 00 00 00 00 00 |090%u6858.......| 00000100 32 30 31 34 20 48 65 61 72 74 62 6c 65 65 64 00 |2014 Heartbleed.| 00000180 32 30 31 37 20 45 74 65 72 6e 61 6c 42 6c 75 65 |2017 EternalBlue| 00000200 61 7d 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |a}..............| 00000010 44 45 42 55 47 0d 0a 2f 62 69 6e 2f 73 68 00 00 |DEBUG../bin/sh..| 00000090 32 30 30 33 20 53 51 4c 20 53 6c 61 6d 6d 65 72 |2003 SQL Slammer| 00000110 18 03 02 00 03 01 40 00 00 00 00 00 00 00 00 00 |......@.........| 00000190 ff 53 4d 42 72 20 4d 53 31 37 2d 30 31 30 00 00 |.SMBr MS17-010..| 00000210 32 30 32 34 20 78 7a 20 62 61 63 6b 64 6f 6f 72 |2024 xz backdoor| 00000020 32 30 30 30 20 49 4c 4f 56 45 59 4f 55 00 00 00 |2000 ILOVEYOU...| 000000a0 04 01 01 01 01 01 01 01 20 75 64 70 2f 31 34 33 |........ udp/143| 00000120 32 30 31 34 20 53 68 65 6c 6c 73 68 6f 63 6b 00 |2014 Shellshock.| 000001a0 32 30 31 37 20 57 61 6e 6e 61 43 72 79 00 00 00 |2017 WannaCry...| 00000220 43 56 45 2d 32 30 32 34 2d 33 30 39 34 20 6c 69 |CVE-2024-3094 li| 00000030 4c 4f 56 45 2d 4c 45 54 54 45 52 2d 46 4f 52 2d |LOVE-LETTER-FOR-| 000000b0 34 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |4...............| 00000130 28 29 20 7b 20 3a 3b 20 7d 3b 20 2f 62 69 6e 2f |() { :; }; /bin/| 000001b0 69 75 71 65 72 66 73 6f 64 70 39 69 66 6a 61 70 |iuqerfsodp9ifjap| 00000230 62 6c 7a 6d 61 00 00 00 00 00 00 00 00 00 00 00 |blzma...........| 00000040 59 4f 55 2e 54 58 54 2e 76 62 73 00 00 00 00 00 |YOU.TXT.vbs.....| 000000c0 32 30 31 30 20 53 74 75 78 6e 65 74 00 00 00 00 |2010 Stuxnet....| 00000140 62 61 73 68 20 2d 63 00 00 00 00 00 00 00 00 00 |bash -c.........| 000001c0 6f 73 64 66 6a 68 67 6f 73 75 72 69 6a 66 61 65 |osdfjhgosurijfae| 00000000 31 39 38 38 20 4d 6f 72 72 69 73 20 57 6f 72 6d |1988 Morris Worm| 00000050 32 30 30 31 20 43 6f 64 65 20 52 65 64 00 00 00 |2001 Code Red...| 000000d0 62 3a 5c 6d 79 72 74 75 73 5c 73 72 63 5c 6f 62 |b:\myrtus\src\ob| 00000150 32 30 31 36 20 4d 69 72 61 69 00 00 00 00 00 00 |2016 Mirai......| 000001d0 77 72 77 65 72 67 77 65 61 2e 63 6f 6d 00 00 00 |wrwergwea.com...| 00000010 44 45 42 55 47 0d 0a 2f 62 69 6e 2f 73 68 00 00 |DEBUG../bin/sh..| 00000060 47 45 54 20 2f 64 65 66 61 75 6c 74 2e 69 64 61 |GET /default.ida| 000000e0 6a 66 72 65 5f 77 32 6b 5f 78 38 36 5c 69 33 38 |jfre_w2k_x86\i38| 00000160 72 6f 6f 74 3a 78 63 33 35 31 31 20 61 64 6d 69 |root:xc3511 admi| 000001e0 32 30 32 31 20 4c 6f 67 34 53 68 65 6c 6c 00 00 |2021 Log4Shell..| 00000020 32 30 30 30 20 49 4c 4f 56 45 59 4f 55 00 00 00 |2000 ILOVEYOU...| 00000070 3f 4e 4e 4e 4e 4e 4e 4e 4e 4e 4e 4e 4e 25 75 39 |?NNNNNNNNNNNN%u9| 000000f0 36 5c 67 75 61 76 61 2e 70 64 62 00 00 00 00 00 |6\guava.pdb.....| 00000170 6e 3a 61 64 6d 69 6e 00 00 00 00 00 00 00 00 00 |n:admin.........| 000001f0 24 7b 6a 6e 64 69 3a 6c 64 61 70 3a 2f 2f 78 2f |${jndi:ldap://x/| 00000030 4c 4f 56 45 2d 4c 45 54 54 45 52 2d 46 4f 52 2d |LOVE-LETTER-FOR-| 00000080 30 39 30 25 75 36 38 35 38 00 00 00 00 00 00 00 |090%u6858.......| 00000100 32 30 31 34 20 48 65 61 72 74 62 6c 65 65 64 00 |2014 Heartbleed.| 00000180 32 30 31 37 20 45 74 65 72 6e 61 6c 42 6c 75 65 |2017 EternalBlue| 00000200 61 7d 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |a}..............| 00000040 59 4f 55 2e 54 58 54 2e 76 62 73 00 00 00 00 00 |YOU.TXT.vbs.....| 00000090 32 30 30 33 20 53 51 4c 20 53 6c 61 6d 6d 65 72 |2003 SQL Slammer| 00000110 18 03 02 00 03 01 40 00 00 00 00 00 00 00 00 00 |......@.........| 00000190 ff 53 4d 42 72 20 4d 53 31 37 2d 30 31 30 00 00 |.SMBr MS17-010..| 00000210 32 30 32 34 20 78 7a 20 62 61 63 6b 64 6f 6f 72 |2024 xz backdoor| 00000050 32 30 30 31 20 43 6f 64 65 20 52 65 64 00 00 00 |2001 Code Red...| 000000a0 04 01 01 01 01 01 01 01 20 75 64 70 2f 31 34 33 |........ udp/143| 00000120 32 30 31 34 20 53 68 65 6c 6c 73 68 6f 63 6b 00 |2014 Shellshock.| 000001a0 32 30 31 37 20 57 61 6e 6e 61 43 72 79 00 00 00 |2017 WannaCry...| 00000220 43 56 45 2d 32 30 32 34 2d 33 30 39 34 20 6c 69 |CVE-2024-3094 li| 00000060 47 45 54 20 2f 64 65 66 61 75 6c 74 2e 69 64 61 |GET /default.ida| 000000b0 34 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |4...............| 00000130 28 29 20 7b 20 3a 3b 20 7d 3b 20 2f 62 69 6e 2f |() { :; }; /bin/| 000001b0 69 75 71 65 72 66 73 6f 64 70 39 69 66 6a 61 70 |iuqerfsodp9ifjap| 00000230 62 6c 7a 6d 61 00 00 00 00 00 00 00 00 00 00 00 |blzma...........| 00000070 3f 4e 4e 4e 4e 4e 4e 4e 4e 4e 4e 4e 4e 25 75 39 |?NNNNNNNNNNNN%u9| 000000c0 32 30 31 30 20 53 74 75 78 6e 65 74 00 00 00 00 |2010 Stuxnet....| 00000140 62 61 73 68 20 2d 63 00 00 00 00 00 00 00 00 00 |bash -c.........| 000001c0 6f 73 64 66 6a 68 67 6f 73 75 72 69 6a 66 61 65 |osdfjhgosurijfae| 00000000 31 39 38 38 20 4d 6f 72 72 69 73 20 57 6f 72 6d |1988 Morris Worm| 00000080 30 39 30 25 75 36 38 35 38 00 00 00 00 00 00 00 |090%u6858.......| 000000d0 62 3a 5c 6d 79 72 74 75 73 5c 73 72 63 5c 6f 62 |b:\myrtus\src\ob| 00000150 32 30 31 36 20 4d 69 72 61 69 00 00 00 00 00 00 |2016 Mirai......| 000001d0 77 72 77 65 72 67 77 65 61 2e 63 6f 6d 00 00 00 |wrwergwea.com...| 00000010 44 45 42 55 47 0d 0a 2f 62 69 6e 2f 73 68 00 00 |DEBUG../bin/sh..| 00000090 32 30 30 33 20 53 51 4c 20 53 6c 61 6d 6d 65 72 |2003 SQL Slammer| 000000e0 6a 66 72 65 5f 77 32 6b 5f 78 38 36 5c 69 33 38 |jfre_w2k_x86\i38| 00000160 72 6f 6f 74 3a 78 63 33 35 31 31 20 61 64 6d 69 |root:xc3511 admi| 000001e0 32 30 32 31 20 4c 6f 67 34 53 68 65 6c 6c 00 00 |2021 Log4Shell..| 00000020 32 30 30 30 20 49 4c 4f 56 45 59 4f 55 00 00 00 |2000 ILOVEYOU...| 000000a0 04 01 01 01 01 01 01 01 20 75 64 70 2f 31 34 33 |........ udp/143| 000000f0 36 5c 67 75 61 76 61 2e 70 64 62 00 00 00 00 00 |6\guava.pdb.....| 00000170 6e 3a 61 64 6d 69 6e 00 00 00 00 00 00 00 00 00 |n:admin.........| 000001f0 24 7b 6a 6e 64 69 3a 6c 64 61 70 3a 2f 2f 78 2f |${jndi:ldap://x/| 00000030 4c 4f 56 45 2d 4c 45 54 54 45 52 2d 46 4f 52 2d |LOVE-LETTER-FOR-| 000000b0 34 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |4...............| 00000100 32 30 31 34 20 48 65 61 72 74 62 6c 65 65 64 00 |2014 Heartbleed.| 00000180 32 30 31 37 20 45 74 65 72 6e 61 6c 42 6c 75 65 |2017 EternalBlue| 00000200 61 7d 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |a}..............| 00000040 59 4f 55 2e 54 58 54 2e 76 62 73 00 00 00 00 00 |YOU.TXT.vbs.....| 000000c0 32 30 31 30 20 53 74 75 78 6e 65 74 00 00 00 00 |2010 Stuxnet....| 00000110 18 03 02 00 03 01 40 00 00 00 00 00 00 00 00 00 |......@.........| 00000190 ff 53 4d 42 72 20 4d 53 31 37 2d 30 31 30 00 00 |.SMBr MS17-010..| 00000210 32 30 32 34 20 78 7a 20 62 61 63 6b 64 6f 6f 72 |2024 xz backdoor| 00000050 32 30 30 31 20 43 6f 64 65 20 52 65 64 00 00 00 |2001 Code Red...| 000000d0 62 3a 5c 6d 79 72 74 75 73 5c 73 72 63 5c 6f 62 |b:\myrtus\src\ob| 00000120 32 30 31 34 20 53 68 65 6c 6c 73 68 6f 63 6b 00 |2014 Shellshock.| 000001a0 32 30 31 37 20 57 61 6e 6e 61 43 72 79 00 00 00 |2017 WannaCry...| 00000220 43 56 45 2d 32 30 32 34 2d 33 30 39 34 20 6c 69 |CVE-2024-3094 li| 00000060 47 45 54 20 2f 64 65 66 61 75 6c 74 2e 69 64 61 |GET /default.ida| 000000e0 6a 66 72 65 5f 77 32 6b 5f 78 38 36 5c 69 33 38 |jfre_w2k_x86\i38| 00000130 28 29 20 7b 20 3a 3b 20 7d 3b 20 2f 62 69 6e 2f |() { :; }; /bin/| 000001b0 69 75 71 65 72 66 73 6f 64 70 39 69 66 6a 61 70 |iuqerfsodp9ifjap| 00000230 62 6c 7a 6d 61 00 00 00 00 00 00 00 00 00 00 00 |blzma...........| 00000070 3f 4e 4e 4e 4e 4e 4e 4e 4e 4e 4e 4e 4e 25 75 39 |?NNNNNNNNNNNN%u9| 000000f0 36 5c 67 75 61 76 61 2e 70 64 62 00 00 00 00 00 |6\guava.pdb.....| 00000140 62 61 73 68 20 2d 63 00 00 00 00 00 00 00 00 00 |bash -c.........| 000001c0 6f 73 64 66 6a 68 67 6f 73 75 72 69 6a 66 61 65 |osdfjhgosurijfae| 00000000 31 39 38 38 20 4d 6f 72 72 69 73 20 57 6f 72 6d |1988 Morris Worm| 00000080 30 39 30 25 75 36 38 35 38 00 00 00 00 00 00 00 |090%u6858.......| 00000100 32 30 31 34 20 48 65 61 72 74 62 6c 65 65 64 00 |2014 Heartbleed.| 00000150 32 30 31 36 20 4d 69 72 61 69 00 00 00 00 00 00 |2016 Mirai......| 000001d0 77 72 77 65 72 67 77 65 61 2e 63 6f 6d 00 00 00 |wrwergwea.com...| 00000010 44 45 42 55 47 0d 0a 2f 62 69 6e 2f 73 68 00 00 |DEBUG../bin/sh..| 00000090 32 30 30 33 20 53 51 4c 20 53 6c 61 6d 6d 65 72 |2003 SQL Slammer| 00000110 18 03 02 00 03 01 40 00 00 00 00 00 00 00 00 00 |......@.........| 00000160 72 6f 6f 74 3a 78 63 33 35 31 31 20 61 64 6d 69 |root:xc3511 admi| 000001e0 32 30 32 31 20 4c 6f 67 34 53 68 65 6c 6c 00 00 |2021 Log4Shell..| 00000020 32 30 30 30 20 49 4c 4f 56 45 59 4f 55 00 00 00 |2000 ILOVEYOU...| 000000a0 04 01 01 01 01 01 01 01 20 75 64 70 2f 31 34 33 |........ udp/143| 00000120 32 30 31 34 20 53 68 65 6c 6c 73 68 6f 63 6b 00 |2014 Shellshock.| 00000170 6e 3a 61 64 6d 69 6e 00 00 00 00 00 00 00 00 00 |n:admin.........| 000001f0 24 7b 6a 6e 64 69 3a 6c 64 61 70 3a 2f 2f 78 2f |${jndi:ldap://x/| 00000030 4c 4f 56 45 2d 4c 45 54 54 45 52 2d 46 4f 52 2d |LOVE-LETTER-FOR-| 000000b0 34 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |4...............| 00000130 28 29 20 7b 20 3a 3b 20 7d 3b 20 2f 62 69 6e 2f |() { :; }; /bin/| 00000180 32 30 31 37 20 45 74 65 72 6e 61 6c 42 6c 75 65 |2017 EternalBlue| 00000200 61 7d 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |a}..............| 00000040 59 4f 55 2e 54 58 54 2e 76 62 73 00 00 00 00 00 |YOU.TXT.vbs.....| 000000c0 32 30 31 30 20 53 74 75 78 6e 65 74 00 00 00 00 |2010 Stuxnet....| 00000140 62 61 73 68 20 2d 63 00 00 00 00 00 00 00 00 00 |bash -c.........| 00000190 ff 53 4d 42 72 20 4d 53 31 37 2d 30 31 30 00 00 |.SMBr MS17-010..| 00000210 32 30 32 34 20 78 7a 20 62 61 63 6b 64 6f 6f 72 |2024 xz backdoor| 00000050 32 30 30 31 20 43 6f 64 65 20 52 65 64 00 00 00 |2001 Code Red...| 000000d0 62 3a 5c 6d 79 72 74 75 73 5c 73 72 63 5c 6f 62 |b:\myrtus\src\ob| 00000150 32 30 31 36 20 4d 69 72 61 69 00 00 00 00 00 00 |2016 Mirai......| 000001a0 32 30 31 37 20 57 61 6e 6e 61 43 72 79 00 00 00 |2017 WannaCry...| 00000220 43 56 45 2d 32 30 32 34 2d 33 30 39 34 20 6c 69 |CVE-2024-3094 li| 00000060 47 45 54 20 2f 64 65 66 61 75 6c 74 2e 69 64 61 |GET /default.ida| 000000e0 6a 66 72 65 5f 77 32 6b 5f 78 38 36 5c 69 33 38 |jfre_w2k_x86\i38| 00000160 72 6f 6f 74 3a 78 63 33 35 31 31 20 61 64 6d 69 |root:xc3511 admi| 000001b0 69 75 71 65 72 66 73 6f 64 70 39 69 66 6a 61 70 |iuqerfsodp9ifjap| 00000230 62 6c 7a 6d 61 00 00 00 00 00 00 00 00 00 00 00 |blzma...........| 00000070 3f 4e 4e 4e 4e 4e 4e 4e 4e 4e 4e 4e 4e 25 75 39 |?NNNNNNNNNNNN%u9| 000000f0 36 5c 67 75 61 76 61 2e 70 64 62 00 00 00 00 00 |6\guava.pdb.....| 00000170 6e 3a 61 64 6d 69 6e 00 00 00 00 00 00 00 00 00 |n:admin.........| 000001c0 6f 73 64 66 6a 68 67 6f 73 75 72 69 6a 66 61 65 |osdfjhgosurijfae| 00000000 31 39 38 38 20 4d 6f 72 72 69 73 20 57 6f 72 6d |1988 Morris Worm| 00000080 30 39 30 25 75 36 38 35 38 00 00 00 00 00 00 00 |090%u6858.......| 00000100 32 30 31 34 20 48 65 61 72 74 62 6c 65 65 64 00 |2014 Heartbleed.| 00000180 32 30 31 37 20 45 74 65 72 6e 61 6c 42 6c 75 65 |2017 EternalBlue| 000001d0 77 72 77 65 72 67 77 65 61 2e 63 6f 6d 00 00 00 |wrwergwea.com...| 00000010 44 45 42 55 47 0d 0a 2f 62 69 6e 2f 73 68 00 00 |DEBUG../bin/sh..| 00000090 32 30 30 33 20 53 51 4c 20 53 6c 61 6d 6d 65 72 |2003 SQL Slammer| 00000110 18 03 02 00 03 01 40 00 00 00 00 00 00 00 00 00 |......@.........| 00000190 ff 53 4d 42 72 20 4d 53 31 37 2d 30 31 30 00 00 |.SMBr MS17-010..| 000001e0 32 30 32 31 20 4c 6f 67 34 53 68 65 6c 6c 00 00 |2021 Log4Shell..| 00000020 32 30 30 30 20 49 4c 4f 56 45 59 4f 55 00 00 00 |2000 ILOVEYOU...| 000000a0 04 01 01 01 01 01 01 01 20 75 64 70 2f 31 34 33 |........ udp/143| 00000120 32 30 31 34 20 53 68 65 6c 6c 73 68 6f 63 6b 00 |2014 Shellshock.| 000001a0 32 30 31 37 20 57 61 6e 6e 61 43 72 79 00 00 00 |2017 WannaCry...| 000001f0 24 7b 6a 6e 64 69 3a 6c 64 61 70 3a 2f 2f 78 2f |${jndi:ldap://x/| 00000030 4c 4f 56 45 2d 4c 45 54 54 45 52 2d 46 4f 52 2d |LOVE-LETTER-FOR-| 000000b0 34 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |4...............| 00000130 28 29 20 7b 20 3a 3b 20 7d 3b 20 2f 62 69 6e 2f |() { :; }; /bin/| 000001b0 69 75 71 65 72 66 73 6f 64 70 39 69 66 6a 61 70 |iuqerfsodp9ifjap|

2026

Hash Fonksiyonları: Teoriden Gerçek Saldırılara
#temel-kavramlarHash fonksiyonu girdiyi sabit uzunlukta bir çıktıya çeviriyor ve geri dönüşü yok; MD5'ten bcrypt'e çığ etkisi, rainbow table ve salt gerçek saldırılarla anlatılıyor.
9 Nis