aaronyoo

import base64
from collections import Counter


# English language letter frequencies from:
# https://gist.githueb.com/pozhidaevak/0dca594d6f0de367f232909fe21cdb2f
letterFrequency = {'E' : 12.0, 'T' : 9.10, 'A' : 8.12, 'O' : 7.68,
                   'I' : 7.31, 'N' : 6.95, 'S' : 6.28, 'R' : 6.02,
                   'H' : 5.92, 'D' : 4.32, 'L' : 3.98, 'U' : 2.88,
                   'C' : 2.71, 'M' : 2.61, 'F' : 2.30, 'Y' : 2.11, 

aaronyoo

#include <stdio.h>
#include <sys/ptrace.h>

int main() {
    if (ptrace(PTRACE_TRACEME, 0, 1, 0) == -1) {
        printf("Debugger\n");
    } else {
        printf("Normal\n");
    }
    return 0;

aaronyoo

// This is a redefinition of ptrace to get around the
// ptrace anti-debug trick.

long ptrace(int a, int b, void *c, void *d) {
        return 0;
}

aaronyoo

def pad(txt):
    while (len(txt) % 4 != 0):
        txt += '\0'
    return txt

def create_w(s):
    w = [[s[0], s[1], s[2], s[3]],
         [s[4], s[5], s[6], s[7]]]
    return w

aaronyoo

birthday_dict = {}
while (True):
    pre = "".join(random.choices(string.ascii_letters + string.digits, k = random.randint(1, 5))) 
    hash_val = hash(pre)
    if (hash_val in birthday_dict and birthday_dict[hash_val] != pre):
        print(pre, birthday_dict[hash_val])
    else:
        birthday_dict[hash_val] = pre

aaronyoo

import binascii
import gmpy2
e1 = 13
e2 = 15
ct1 = 13981765388145083997703333682243956434148306954774120760845671024723583618341148528952063316653588928138430524040717841543528568326674293677228449651281422762216853098529425814740156575513620513245005576508982103360592761380293006244528169193632346512170599896471850340765607466109228426538780591853882736654
ct2 = 79459949016924442856959059325390894723232586275925931898929445938338123216278271333902062872565058205136627757713051954083968874644581902371182266588247653857616029881453100387797111559677392017415298580136496204898016797180386402171968931958365160589774450964944023720256848731202333789801071962338635072065
n = 103109065902334620226101162008793963504256027939117020091876799039690801944735604259018655534860183205031069083254290258577291605287053538752280231959857465853228851714786887294961873006234153079187216285516823832102424110934062954272346111907571393964363630079343598511602013316604641904852018969178919051627

def xgcd(a,b):
    """Extended GCD

aaronyoo

import angr

# Load the binary
import angr
proj = angr.Project('angrme')

# Create a simulation manager
simgr = proj.factory.simgr()

# Use the simulation manager to explore until win condition --> :)

aaronyoo

#include <stdio.h>

int func1(int a, int b, int c) {
	printf("%d %d %d\n", a, b, c);
}

int main(void) {
	func1(1, 2, 3);
}

aaronyoo

#include <stdint.h>
#include <stdlib.h>
#include <elf.h>
#include <stdio.h>
#include <string.h>
#include <sys/mman.h>

void readElfHeader(Elf64_Ehdr *ehdr);

int main(int argc, char **argv) {

aaronyoo

#include <stdio.h>
#include <stdlib.h>
#include <sys/mman.h>

int main(int argc, char **argv) {
    if (argc != 3) {
        printf("Usage: ./infect [host] [parasite]\n");
        exit(0);
    }