Answer is sha1sum of orange words. hint:orange cell words make famous japanese...
nc calculateit.quals.seccon.jp 45105 1/224345516-1721549/6 = 86 No good.
Hint1: 四則演算ではありません / It is not a four arithmetic operations. Hint2: 計算例 81 9- 16 6- 4/ 15 X 3- 72 45 = 82 Hint3: G- G- G- G- G- G- G- G- G- G- = 0 Hint4: X X X X X X X X X XXX = 300
root@bt:~/Desktop/download/crypt100# python calc5.py ['6', '1', '6', '/', '2', '4', '3', '1', '5', '3', '1', '-', '4', '/', '4', '5', 'X', '2', '3'] 81 616/2431531-4/45X23 ['7', '2', '4', '3', '6', '-', '8', '1', '7', '-', '8', '/', '4', '/', '5', '-', '6', '2', '1', '6'] 87 72436-817-8/4/5-6216 ['X', 'X', 'X', 'X', 'X', 'X', 'X', 'X', 'X', '4', '/', 'G'] 264 XXXXXXXXX4/G ['G', '-', 'G', '-', 'G', '-', 'G', '-', 'G', '-', 'G', '-', 'G', '-', 'G', '-', 'G', '-', '1', '2'] 3 G-G-G-G-G-G-G-G-G-12 ['G', '/', 'G', '/', 'G', '/', 'G', '/', 'G', '/', 'G', '/', 'G', '/', 'G', '/', 'G', '/', 'G', '/', '5'] 105
['G', 'o', 'o', 'd', '!', '!', '\n', 'F', 'L', 'A', 'G', ':', ' ', 'B', 'o', 'w', 'l', 'i', 'n', 'g', ' ', 'i', 's', ' ', 'v', 'e', 'r', 'y', ' ', 'f', 'u', 'n', '!', '!', '\n']
import socket
def solve(data):
bangou1 = 0
bangou2 = 0
score = 0
char_list=list(data)
print char_list
i = len(char_list)
n=1
m=i
for y in char_list:
if(y =='-' or y == 'G'):
char_list[bangou1]='0'
bangou1=bangou1+1
X_list=char_list
X_count=0
for x in X_list:
if(x == 'X'):
X_count=X_count+1
X_count=X_count+1
if(char_list[i-2] == '/'):
if(char_list[i-1] == 'X'):
char_list[i-1] == '10'
m = i-1
if(char_list[i-3] == 'X'):
if(char_list[i-2] == 'X'):
char_list[i-2] == '10'
if(char_list[i-1] == 'X'):
char_list[i-1] == '10'
if(char_list[i-1] == '/'):
char_list[i-2] == '10'
char_list[i-1] == '0'
if(X_count>20):
m = i-2
for x in char_list:
if(x == '/'):
if(char_list[bangou2+1] == 'X'):
score = score + 10 - int(char_list[bangou2-1]) + 10
else:
score = score + 10 - int(char_list[bangou2-1]) + int(char_list[bangou2+1])
elif(x =='X'):
if(char_list[bangou2+1] == 'X' and char_list[bangou2+2] != 'X'):
score = score + 10 + int(char_list[bangou2+2]) + 10
elif(char_list[bangou2+2] == 'X' and char_list[bangou2+1] != 'X'):
score = score + 10 + 10 + int(char_list[bangou2+2])
elif(char_list[bangou2+2] == 'X' and char_list[bangou2+1] == 'X'):
score = score + 10 + 10 + 10
elif(char_list[bangou2+2] == '/'):
score = score + 10 + 10
else:
score = score + 10 + int(char_list[bangou2+2]) + int(char_list[bangou2+1])
else:
score = score + int(x)
bangou2 = bangou2 + 1
if (n==m):
break
n=n+1
score = str(score) + "\r\n"
return score
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.connect(('calculateit.quals.seccon.jp', 45105))
total_score =0
hi_score=0
low_score=500
p_count=0
while True:
p_count = p_count+1
q = s.recv(1024)
q = q.replace(' =', '').rstrip()
if 'total' in q:
total_score = str(total_score) + "\r\n"
s.send(total_score)
q = s.recv(1024)
if 'hi' in q:
hi_score = str(hi_score) + "\r\n"
s.send(hi_score)
q = s.recv(1024)
a = solve(q)
total_score=total_score+int(a)
if(int(a)>hi_score):
hi_score=int(a)
if(int(a)
other200# file encode_me_91 encode_me_91: AmigaOS bitmap font
other200/base91-0.6.0-linux-i386/bin# ./base91 ../../encode_me_91 PASSWORD/IS/WHICH+ENCODING+DO+YOU+LIKE other200/base91-0.6.0-linux-i386/bin#
forensics100# file Forensicist.dat Forensicist.dat: RFC 822 mail text
forensics100# file base64.bin base64.bin: TIFF image data, little-endian
forensics100# exiftool base64.tiff ExifTool Version Number : 7.89 File Name : base64.tiff Directory : . File Size : 132 kB File Modification Date/Time : 2014:01:27 16:13:53+09:00 File Type : TIFF MIME Type : image/tiff Exif Byte Order : Little-endian (Intel, II) Subfile Type : Full-resolution Image Image Width : 229 Image Height : 172 Bits Per Sample : 8 8 8 8 Compression : LZW Photometric Interpretation : RGB Make : Apple Camera Model Name : iPhone 4S Strip Offsets : (Binary data 80 bytes, use -b option to extract) Orientation : Horizontal (normal) Samples Per Pixel : 4 Rows Per Strip : 13 Strip Byte Counts : (Binary data 69 bytes, use -b option to extract) X Resolution : 96.012 Y Resolution : 96.012 Planar Configuration : Chunky Resolution Unit : inches Software : 5.0.1 Modify Date : 2012:02:02 02:02:02 Predictor : Horizontal differencing Extra Samples : 2 Y Cb Cr Positioning : Centered About : uuid:faf5bdd5-ba3d-11da-ad31-d33d75182f1b Creator Tool : 5.0.1 Exposure Time : 1/120 F Number : 2.4 Sub Sec Time Original : 00 Sub Sec Time Digitized : 00 Exposure Program : Program AE GPS Latitude Ref : North GPS Longitude Ref : East GPS Altitude Ref : Above Sea Level GPS Img Direction Ref : True North GPS Img Direction : 45.17590361 ISO : 64 Exif Version : 0221 Date/Time Original : 2012:02:02 02:02:02 Create Date : 2012:02:02 02:02:02 Components Configuration : Y, Cb, Cr, - Shutter Speed Value : 1/120 Aperture Value : 2.4 Brightness Value : 5.861211392 Metering Mode : Multi-segment Flash : Off, Did not fire Focal Length : 4.3 mm Subject Area : 1631 1223 881 881 Flashpix Version : 0100 Color Space : sRGB Exif Image Width : 3264 Exif Image Height : 2448 Sensing Method : One-chip color area Exposure Mode : Auto White Balance : Auto Digital Zoom Ratio : 4.366263794 Focal Length In 35mm Format : 35 mm Scene Capture Type : Standard Sharpness : Normal Padding : (Binary data 2060 bytes, use -b option to extract) Aperture : 2.4 GPS Altitude : 23 m Above Sea Level GPS Latitude : 24 deg 59' 55.00" N GPS Longitude : 121 deg 34' 52.00" E GPS Position : 24 deg 59' 55.00" N, 121 deg 34' 52.00" E Image Size : 229x172 Scale Factor To 35 mm Equivalent: 8.2 Shutter Speed : 1/120 Create Date : 2012:02:02 02:02:02.00 Date/Time Original : 2012:02:02 02:02:02.00 Circle Of Confusion : 0.004 mm Field Of View : 54.4 deg Focal Length : 4.3 mm (35 mm equivalent: 35.0 mm) Hyperfocal Distance : 2.08 m Light Value : 10.1
緯度 24.99861111 経度 121.5811111
ssh -p 31337 followme@133.0xf2.010357 The authenticity of host '[133.0xf2.010357]:31337 ([133.242.16.239]:31337)' can't be established. RSA key fingerprint is 2d:cb:9b:98:70:f4:67:e7:02:03:15:ab:32:59:78:68. Are you sure you want to continue connecting (yes/no)? yes
network100# hexdump -C pass.bin | more 00000000 6c 73 20 2d 6c 15 66 6f 6c 6c 6f 77 6d 65 24 20 |ls -l.followme$ | 00000010 77 68 6f 61 6d 69 17 6c 73 2d 6c 7f 7f 2e 20 2d |whoami.ls-l... -| 00000020 6c 2e 02 7f 0d 00 6c 73 20 2d 6c |l.....ls -l| 0000002b
network100# sshpass -f pass.bin ssh -p 31337 followme@133.242.16.239 Welcome to Ubuntu 12.04.3 LTS (GNU/Linux 3.8.0-29-generic x86_64) * Documentation: https://help.ubuntu.com/ System information as of Sun Jan 26 15:13:58 JST 2014 System load: 0.0 Processes: 83 Usage of /: 1.1% of 96.47GB Users logged in: 2 Memory usage: 15% IP address for eth0: 133.242.16.239 Swap usage: 0% Graph this data and manage this system at https://landscape.canonical.com/ 38 packages can be updated. 21 updates are security updates. The programs included with the Ubuntu system are free software; the exact distribution terms for each program are described in the individual files in /usr/share/doc/*/copyright. Ubuntu comes with ABSOLUTELY NO WARRANTY, to the extent permitted by applicable law. Last login: Sun Jan 26 14:10:16 2014 from kd124212144186.ppp-bb.dion.ne.jp followme$ ls -l total 4 -r--r--r-- 1 0 0 25 Dec 24 10:55 flag.txt
followme$ more flag.txt -sh: 2: more: not found followme$ cat flag.txt Interesting_IPv4_address followme$
指令部からのメッセージを送る。
VRZGNWSOHPMY
位置については、これまでと同様に写真を参照してくれ、
くれぐれも写真は忘れずに削除するように！！
00013000 43 54 46 20 20 20 20 20 20 20 20 08 00 00 00 00 |CTF .....| 00013010 00 00 00 00 00 00 c4 3b a1 40 00 00 00 00 00 00 |.......;.@......| 00013020 e5 41 4e 4b 20 20 20 20 4a 50 47 20 18 43 d5 3b |.ANK JPG .C.;| 00013030 a1 40 a1 40 00 00 84 38 a1 40 02 00 d4 58 00 00 |.@.@...8.@...X..| 00013040 e5 41 4d 41 54 4f 20 20 4a 50 47 20 18 44 d5 3b |.AMATO JPG .D.;| 00013050 a1 40 a1 40 00 00 b3 38 a1 40 00 00 bd f0 00 00 |.@.@...8.@......| 00013060 e5 45 52 4f 20 20 20 20 4a 50 47 20 18 44 d5 3b |.ERO JPG .D.;| 00013070 a1 40 a1 40 00 00 fc 38 a1 40 2d 00 ba 94 00 00 |.@.@...8.@-.....| 00013080 41 4d 00 65 00 73 00 73 00 61 00 0f 00 cb 67 00 |AM.e.s.s.a....g.| 00013090 65 00 2e 00 74 00 78 00 74 00 00 00 00 00 ff ff |e...t.x.t.......| 000130a0 4d 45 53 53 41 47 45 20 54 58 54 20 00 44 d5 3b |MESSAGE TXT .D.;| 000130b0 a1 40 a1 40 00 00 71 3a a1 40 40 00 94 00 00 00 |.@.@..q:.@@.....| 000130c0 e5 4d 00 53 00 49 00 39 00 32 00 0f 00 0d 31 00 |.M.S.I.9.2....1.| 000130d0 35 00 66 00 2e 00 74 00 6d 00 00 00 70 00 00 00 |5.f...t.m...p...| 000130e0 e5 53 49 39 32 31 35 46 54 4d 50 10 00 47 51 3c |.SI9215FTMP..GQ<| 000130f0 a1 40 a1 40 00 00 52 3c a1 40 41 00 00 08 00 00 |.@.@..R<.@A.....| 00013100 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
strings DiskImage.dd |grep posi Rotor position 1:J Rotor position 2:P Rotor position 3:N
VlZOQlIwa2dUazhnVlU1QlNra0tWVmRCUjBrZ1RrOGdWVkpCU2trS1ZVNUJSMGtnVGs4Z1ZVMUJUVWtLVlU1QlIwa2dUazhnUjBWT1Mwa0tWRWhGSUVaTVFVY2dTVk1nVlU1QlIwbE9UMHBWVFU5T1ZFRkpVMDlWQ2c9PQo=なんとなく Base64 っぽいので、このサイトでデコード。
また Base64 っぽいのでもう一度デコード。VVNBR0kgTk8gVU5BSkkKVVdBR0kgTk8gVVJBSkkKVU5BR0kgTk8gVU1BTUkKVU5BR0kgTk8gR0VOS0kKVEhFIEZMQUcgSVMgVU5BR0lOT0pVTU9OVEFJU09VCg==
これでFLAGを取得。USAGI NO UNAJIUWAGI NO URAJIUNAGI NO UMAMIUNAGI NO GENKITHE FLAG IS UNAGINOJUMONTAISOU