| Secret key |
lpnb79 |
Code analysis using Ghidra |
2026-08-13 13:46 |
View |
| XorGate |
atakinjector |
My analysis |
2026-08-12 20:14 |
View |
| XorGate |
JohnKaisen |
Static analysis, brief aside on nop patch |
2026-08-12 15:26 |
View |
| muhemed crackme |
jay_owl |
|
2026-08-12 07:51 |
View |
| Multi-layer password check |
BshayerAhmed |
Reversed C++ verification logic using Ghidra, extracted repeat counts from .data, and decoded MAZZ pattern checks. |
2026-08-11 11:55 |
View |
| DPRK Loyalty Evaluation |
BshayerAhmed |
Bypassed strcmp check using GDB register patching ($eax = 0). |
2026-08-11 09:51 |
View |
| I forgot my password!!!! |
StoraStormen |
Some hints and a possible solution. |
2026-08-10 21:05 |
View |
| yap |
darkne55_0ff |
Markov bigram generator; invert data.dat edge to seed "Your prize:" and emit the flag word. |
2026-08-10 19:10 |
View |
| New approach keygen |
victormeloasm |
The crackme was broke, I needed to fix it to crack it. It was quite hard because of the VM... There's a waltrought step-by-step inside the file |
2026-08-10 12:26 |
View |
| Dead Terminal |
Jasper676767 |
Writeup for "Dead Terminal" |
2026-08-10 04:53 |
View |
| Password And Flag in C |
Azazel_ |
Set breakpoint at `strcmp@plt`, run binary, enter dummy input, stop at comparison, read `$rsi` to get real password, then rerun program with it to print the flag |
2026-08-09 20:42 |
View |
| fourexps hard crackme |
0x3xp |
Decrypt the XOR and find the password |
2026-08-09 09:51 |
View |
| Sh4ll5 |
big_iron_heap |
Exploiting the buffer overflow to change the return address |
2026-08-08 17:14 |
View |
| Crack my points (DLL + Loader) |
KrifiZ |
The obfuscated integrity check protects two globals that never reach the output. Patching a 6-byte dead store next to the print call sets any value without tripping it. |
2026-08-08 13:47 |
View |
| Ransomware |
pitou |
nice challenge, find my writup for it uploaded as pdf. |
2026-08-08 12:36 |
View |
| XorGate |
ray33ee |
Derivation of keygen using static analysis and a little debugging |
2026-08-08 12:06 |
View |
| ShouldBeNormal |
alessandro130203 |
Custom packer plus a bytecode VM. The ELF entry point is a stub that decrypts .patate at runtime, DT_INIT is redirected into the packed section, and the password check runs inside a register-based int |
2026-08-07 14:28 |
View |
| Goth House |
Azazel_ |
Recovered each char by deriving per-step hashes: hash(ci) = DAT[i] ^ DAT[i-1], then brute-forcing SHA256([c..c+5]) matches. Final password:buttercupcosplays |
2026-08-07 12:50 |
View |
| S-BOX |
Azazel_ |
Rebuilt S-box, inverted transform: input = inv_sbox[target[i]] ^ index. Deterministic XOR+SBOX reversal, no brute force. Password: NOKTOSLABKEY |
2026-08-07 12:37 |
View |
| Evaisve |
JIHN |
Evasive.exe Crackme — Finding the Real Flag Behind a Fake Flag |
2026-08-07 11:14 |
View |
| very easy crack me $$$ by whekkees |
TheFierroS |
Solution |
2026-08-07 10:58 |
View |
| Evaisve |
haxoreagle012 |
Evasive — CrackMe Writeup |
2026-08-06 21:18 |
View |
| very simple keycheck |
Tilapia |
Solution using the command line |
2026-08-06 15:08 |
View |
| Evaisve |
SVz |
Static unpacking: the binary is a reflective PE loader that LZMA-decompresses its real payload from an FPACK resource. |
2026-08-06 14:23 |
View |
| Demian's entry level crackme |
Jellyback |
A fun beginner crackme :) |
2026-08-06 09:14 |
View |
| XOR Challenge By 0xbadc0de |
wsy |
|
2026-08-05 02:00 |
View |
| Crack my points (DLL + Loader) |
haxoreagle012 |
# CrackMe Writeup: Points |
2026-08-04 19:45 |
View |
| learn_the_first_few_tricks_1 by deibiz_xxl |
KrifiZ |
The password is `[DEIBIZ]`, derived by adding `0x01` to each byte of the hardcoded string `ZCDHAHY\`; the displayed name is patched by overwriting the string in `.data`. |
2026-08-04 18:18 |
View |
| Multi-layer password check |
victormeloasm |
Static analysis revealed six inputs built from MAZZ, repeated 3, 7, 12, 1, 15 and 7 times. The binary uses ptrace(PTRACE_TRACEME) for anti-debugging, while the verifier checks 4-byte blocks and exact |
2026-08-04 15:36 |
View |
| MMC2 |
vitez |
|
2026-08-04 12:05 |
View |
| argc |
Azazel_ |
> The program halves `argc`, so I used `./argc A A B C D` to meet the check. Then I set `argv[1] == argv[2]` to pass `strcmp` and get the flag. |
2026-08-04 12:00 |
View |
| Multi-layer password check |
wsy |
|
2026-08-04 07:00 |
View |
| Getting started patch-me |
wsy |
|
2026-08-04 06:24 |
View |
| Secret key |
elbujo |
easy one there |
2026-08-03 19:10 |
View |
| The First iOS Crackme |
Kontar |
https://kontar0.github.io/writeups/crackme-03.html |
2026-08-03 16:50 |
View |
| Secure Vault |
Azazel_ |
I found a buffer overflow in the input function and calculated the offset. Then I overwrote the return address to jump to the `win` function and get the shell&flag |
2026-08-03 12:23 |
View |
| XOR Challenge By 0xbadc0de |
0x3xp |
XOR Challenge — By 0xbadc0de |
2026-08-02 19:30 |
View |
| MMC2 |
nke |
comprehensive writeup |
2026-08-02 08:27 |
View |
| MMC1 |
nke |
comprehensive writeup |
2026-08-01 14:46 |
View |
| Aegis Privacy Protocol |
haxoreagle012 |
Aegis Privacy Protocol — Writeup |
2026-07-31 19:51 |
View |
| hard crack me |
ludzof |
This crackme requires finding a 20-character password. It employs anti-debugging techniques, a custom multi-stage hashing algorithm, and process injection (which acts as a payload/check upon success). |
2026-07-31 17:31 |
View |
| Ultimate Ultimate Boss Crackme |
ludzof |
The Ultimate Real Boss: 152-Part License Check Write-up |
2026-07-31 13:50 |
View |
| Password Checker |
midnightsun |
zextey's password checker writeup (cindermark cipher) |
2026-07-29 21:47 |
View |
| hard crack me |
UmerMehboob |
Static analysis solve: reconstructed the custom 32-bit hash-based password check, bypassed the TLS-callback anti-debug layer without ever running the binary, and wrote a keygen. |
2026-07-29 04:15 |
View |
| Dimension X |
midnightsun |
dimension x writeup |
2026-07-28 22:56 |
View |
| Level 2 |
defnotkira |
First crackme |
2026-07-28 21:35 |
View |
| I need to be honest |
Kontar |
https://kontar0.github.io/writeups/crackme-02.html |
2026-07-28 19:45 |
View |
| Password(Very Easy) |
Kontar |
https://kontar0.github.io/writeups/crack-me-01.html |
2026-07-27 21:43 |
View |
| _Arkadox_ |
midnightsun |
arkadox vm - crackme writeup |
2026-07-27 16:05 |
View |
| medium crackme |
JoshuaKasa |
Reverse engineered the custom hash-based key validation algorithm and brute-forced for a working key :D |
2026-07-26 18:45 |
View |
