gsemaj

1st place

7168 points


Awards


Solves

Challenge Category Value Time
8ball Reverse Engineering 25
Beginner Menu Reverse Engineering 10
replace-me Forensics 80
saas Binary Exploitation 195
coding Crypto: Misc 85
birdwatching Forensics 70
Nim IDE Web 180
Mini Oracle Crypto: Block Ciphers 150
ECB Puzzle Crypto: Block Ciphers 120
Mini Calculator Web 150
xpaste Web 125
pentathlon Forensics 100
rewrite Web 25
hexlify Binary Exploitation 300
JSON Injection Web 60
flagbin 1 Web 75
Stack Pivot 2 Binary Exploitation 285
CTR Flip Crypto: Block Ciphers 80
flop Crypto: Block Ciphers 100
Baby ECB Crypto: Block Ciphers 70
ransomware Reverse Engineering 180
New Beginnings Web 60
Cheap stream cipher Crypto: Misc 75
Side Channel Crypto: Misc 95
Teerolls Reverse Engineering 130
Dreese Lab Gift Shop Web 70
antitamper Reverse Engineering 25
Stack Pivot 1 Binary Exploitation 255
SoftwareShop Reverse Engineering 75
Auth Bot 2 Web 50
SIGALRM Reverse Engineering 60
malware Forensics 200
recycle Forensics 50
SROP Binary Exploitation 230
ret2libc_canary Binary Exploitation 250
High Ceiling Crypto: Number Theory 75
crap Forensics 40
Superb Quality cLass scheduling Web 50
GPS Forensics 15
JustAPacket Forensics 10
MyPlanForWorldDomination Forensics 6
Transfer Web 40
scrape Web 35
Security Questions Web 25
ret2libc Binary Exploitation 215
speedrun12 Binary Exploitation 200
collide Crypto: Misc 70
Pixelator Crypto: Block Ciphers 180
Swirler Reverse Engineering 50
Somewhat Questionable LLC Web 25
Exfiltration Forensics 20
TLS Forensics 75
OSU Browser Web 15
biscuit Web 20
powermod Crypto: Number Theory 15
speedrun13 Binary Exploitation 180
speedrun11 Binary Exploitation 160
speedrun10 Binary Exploitation 136
speedrun9 Binary Exploitation 128
stegoxorus Crypto: Misc 30
base64 Crypto: Misc 25
Encoding Mash Crypto: Misc 8
Lonely XOR Crypto: Misc 12
Unsalted Crypto: Misc 8
snek Crypto: Misc 3
baby base64 Crypto: Misc 2
speedrun8 Binary Exploitation 120
dump Reverse Engineering 20
rotate Reverse Engineering 10
speedrun7 Binary Exploitation 104
Unlocked Crypto: Block Ciphers 6
java.lang.String Reverse Engineering 50
cstrings Forensics 20
baby recycle Forensics 30
speedrun6 Binary Exploitation 92
pointers Binary Exploitation 100
imgxor Crypto: Misc 50
revpwn3 Reverse Engineering 80
revpwn2 Reverse Engineering 60
revpwn1 Reverse Engineering 45
revpwn0 Reverse Engineering 35
speedrun3 Binary Exploitation 72
speedrun5 Binary Exploitation 56
speedrun4 Binary Exploitation 52
speedrun2 Binary Exploitation 48
speedrun1 Binary Exploitation 44
revgrep Forensics 5
speedrun0.5 Binary Exploitation 40
speedrun0.25 Binary Exploitation 25
speedrun0 Binary Exploitation 20
Sanity Check Freebie 1
pixelboard Web 20