Dropper Analysis: Stage 0 → Shellcode
Dropper Analysis: Stage 0 → Shellcode
Date: 2025-04-01 · Author: deepmalware
TL;DR
Three-stage dropper: XOR-decrypted stage-1 blob → reflective PE loader → shellcode execution. All three stages live inside a single PE, separated by marker bytes.
Why it matters
...
Technique overview
...
Tradecraft notes
...
Detection considerations
...
Code
stage1_decrypt.c
// placeholder
void decrypt(uint8_t *buf, size_t len, uint8_t key) {
for (size_t i = 0; i < len; i++)
buf[i] ^= key;
}