All Writeups
Comprehensive collection of CTF challenges, solutions, and insights.
Filter by category:
Filter by tag:
All Tags
Raptor-Weekly (14)
ECHELON (12)
ctf (3)
retrospective (3)
overview (3)
DEADROP (37)
WHAMazon! (23)
pcap (13)
base64 (10)
network (10)
Club-Ouroboros (1)
acrostic (1)
aes (2)
aes-cbc (3)
aes-gcm (1)
alg-none (1)
algorithm-confusion (1)
anti-debug (1)
api (5)
api-chaining (1)
auth-bypass (1)
authentication-bypass (1)
autopsy (1)
bash (1)
beaconing (1)
binary (1)
block-cipher (1)
brute-force (3)
bytecode (2)
c2 (3)
cbc (2)
chacha20 (1)
chain (1)
classical-cipher (1)
cloud-metadata (1)
cloudflare-tunnel (1)
command-injection (3)
config-leak (1)
constraint-solving (1)
cookie-theft (2)
core-dump (1)
covert-channel (1)
credential-hunting (1)
credential-reuse (1)
crib-drag (3)
cross-site-scripting (1)
crypto (7)
csp-bypass (1)
cube-root (1)
custom-crypto (1)
custom-isa (2)
custom-properties (1)
cyberchef (2)
darknet-services (1)
decryption (1)
default-credentials (1)
deobfuscation (2)
diffie-hellman (1)
directory-traversal (1)
discrete-log (1)
disk-image (2)
dns (2)
dns-exfiltration (1)
docker (1)
docx (1)
dsa (2)
ecdlp (1)
elf (5)
elliptic-curve (1)
email-forensics (1)
eml (1)
encoding (1)
encoding-chains (1)
encryption (1)
enumeration (1)
error-correction (1)
eval (1)
event-handler (1)
exfiltration (3)
exif (1)
feistel (1)
fetch (1)
ffuf (2)
file-recovery (1)
firmware (1)
flask (3)
foia (1)
forensics (8)
ftp (2)
full-chain (1)
ghidra (4)
github (2)
headers (1)
hex (5)
hidden-partition (1)
hmac (1)
hs256 (1)
html (1)
https (1)
iam (1)
icmp (1)
idor (2)
image-forensics (1)
img-tag (1)
implementation (1)
information-schema (1)
internal-services (1)
iv-reuse (1)
jail-escape (1)
javascript (1)
jinja2 (2)
json (1)
jwt (6)
jwt.io (1)
key-reuse (1)
kill-chain (1)
known-plaintext (3)
lateral-movement (1)
ld-preload (1)
lfi (1)
linkedin (1)
linux (4)
listener (1)
llm-security (1)
local-file-inclusion (1)
localhost (1)
loopback (1)
low-nonce (1)
lsb (2)
ltrace (1)
malware-analysis (1)
marshal (1)
memory (1)
meta (1)
multi-artifact (1)
multi-machine (1)
multi-stage (2)
network-pentest (1)
no-padding (1)
nonce-reuse (2)
none-algorithm (1)
oaep (1)
obfuscation (4)
office-formats (1)
os-shell (1)
osint (4)
otp-reuse (1)
padding (1)
padding-oracle (1)
partial-key (1)
path-traversal (2)
pcapng (2)
pdf (1)
pe (1)
php-deserialization (1)
pkcs1 (1)
pkcs1-v15 (1)
plaintext (1)
png (2)
pohlig-hellman (2)
polyglot (1)
powershell (3)
pre-master-secret (1)
private-key-recovery (2)
privesc (1)
privilege-escalation (2)
prompt-injection (1)
pyarmor (1)
pycryptodome (1)
python (7)
rc4 (1)
rce (4)
readelf (1)
recon (4)
reconnaissance (1)
reconstruction (1)
red-vs-blue (1)
reed-solomon (1)
register-machine (1)
restricted-shell (1)
rev (6)
reverse-engineering (3)
rfc822 (1)
robots.txt (1)
rot13 (1)
rs256 (1)
rsa (4)
runtime-generation (1)
scapy (1)
security-misconfiguration (1)
server-side-request-forgery (1)
session-keys (1)
session-manipulation (1)
signature (2)
signature-forgery (1)
sleuthkit (1)
small-exponent (1)
smb (1)
smooth-order (1)
smt (1)
snmp (1)
socat (1)
social-media (1)
source-code (1)
source-review (1)
sqli (3)
sqlite (1)
ssrf (4)
ssti (2)
static-analysis (2)
steganography (6)
stegsolve (1)
stored-xss (1)
stream-cipher (1)
streams (1)
string-array (1)
strings (3)
symmetric (1)
template-injection (1)
tls (2)
tls-decryption (1)
token-forgery (3)
token-manipulation (1)
traffic-analysis (1)
tshark (4)
two-time-pad (1)
udp (1)
unicode (1)
union-injection (1)
unit7 (1)
vigenere (1)
vm (2)
web (5)
whitespace (1)
windows (3)
winrm (1)
wireshark (5)
xml (1)
xobject (1)
xor (5)
xss (2)
z3 (1)
zsteg (1)
2026-05-02
Web
Medium
Raptor Weekly 4 - Club Ouroboros - Web
Chaining IDOR vulnerabilities across a five-stage nightclub API to enumerate reservations, wristbands, drink orders, and lockers. Harvesting credentials across each loop until a session identity exploit unlocks the VIP room.
idor
enumeration
session-manipulation
api-chaining