Level : newbie

Manually unpacking EXEstealth 2.74a featuring erased imports and PE header, CRC check, Anti debugging/dumping checks, and API redirection.

Level : beginner

PESpin v0.3 has some nice features; good IAT redirection with some emulation API opcodes and stolen OEP are it's best weapon. It has also some antidebug tricks based on exceptions, but Olly is imune on that, it checks for SoftICE and NTICE, it has couple CRC checks, and it has password locking and time limit.

Level : beginner

Manually unpacking TElock 0.98

Level : newbie

This tutorial contains the following conversions:
DECIMAL BINARY HEX

I separate it in 6 parts:

1. DECIMAL -> BINARY
2. DECIMAL -> HEX
3. HEX -> BINARY
4. BINARY -> HEX
5. BINARY -> DECIMAL
6. HEX -> DECIMAL

Doing them by paper, ofcourse.

Level : newbie

Writing a basic keygen in MASM for Phlux keygenme 1.