ShikChen

# pwn成功服務的次數
# cat states| jq -r '.pwns[] | .pwner as $p | .victim | "\($p)%\(.service)"' | sort | uniq -c | sort -n | grep -v NPC

      1 我是狗汪汪%catftp
      5 无名%catftp
     10 Sigma%catftp
     13 Pax.Mac Team%catftp
     30 DISA%bluemine
     50 DISA%catftp
     54 Light4Freedom%catftp

ShikChen

#include <cstdio>
#include <cstring>
#include <cassert>
#include <cstdint>
#include <algorithm>
#include <queue>
#include <openssl/sha.h>

#define LOG(fmt, ...) \
    fprintf(stderr, "[%.2f] %s:%d - " fmt, 1.0 * clock() / CLOCKS_PER_SEC, \

ShikChen

import itertools
import re
import z3

base = 'plaidctf'
r = open('regex_57f2cf49f6a354b4e8896c57a4e3c973.txt').read().strip()

s = re.search(r'\((.*)\)', r).group(1)
s = s.split('|')[3:]
s = [re.findall(r'(.*?)\[(.*?)\]', it) for it in s]

ShikChen

#include <stdlib.h>
#include <openssl/bn.h>
#include <openssl/rsa.h>
#include <openssl/engine.h>
#include <openssl/pem.h>

const int L = 4 << 20;
char sp[L], sq[L];

int main (int argc, char *argv[])

ShikChen

00a7b38c8540c6d9711c94a80f032d11 Black
0a8259d7ca3124cb0c4dc24efed2040f Black
0ba4cf98e6b34c0337624c446b94da58 Black
0d01eb95336c9ff85532f39a9818710a Black
0e0da9cd670357848d40a2c2fa1277af Black
0e6747e054a11cc6a2a180e21717a667 Black
0fac4e3e6e32115c6f35edaf2326cb26 Black
1a1b9355d28150a59658e74bdfb0d809 Black
1d3fb5a840058b3215be1cd0afe3d211 Black
1e7d4fa2f730eee80e59e359fd80af1f Black

ShikChen

#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>

const long long MEM_FORMAT_THRESHOLD = 8LL << 30;

#if defined(__APPLE__) && defined(__MACH__)

#include <mach/mach.h>

ShikChen

131544,26225,5733,84263,79443,65055,23461,23328,23120,8492,7049,79983,3295,3400,2013,23077,4820,7001,948,9759,627,5275,9314,6095,28958,2941,4091,3131,79961,51439,54873,3849,26084,2058,23041,83989,49855,55268,10048,5894,8648,64795,79048,4853,1149,57110,54812,26355,23300,64218,54762,64400,10793,84869,1657,416,51350,3983,54682,2055,4799,10529,51741,84909,51111,400961,79646,22878,55061,9577,2051,8850,210,10181,80349,7175,9374,57496,84302,80339,478,1622,55193,1749,10874,5019,2029,9939,50487,8490,4780,8452,65009,23122,9452,55,10579,23086,1559,5325
2182,1366,3732,3664,1611,27230,6659,2591,5349,230,3783,10159,25978,202,7494,9208,3934,7022,55907,7421,7163,26298,6692,54463,9516,1829,51188,1534,23286,3398,523,10682,80148,4925,51599,22936,64083,1365
89795,5371,55332,28232,27071,1839,23764,3664,6648,9021,54541,10847,80223,51389,4792,3696,2921,10725,9308,9709,10318,56300,10379,7130,1906,3600,196743,3976,2113,5467,127544,8878,29933,5606,79745,375449,80117,9076,2919,6698,27076,3854,4814,4791,8795,3096,8743,57162,5329,10049,2

ShikChen

echo -e \\x7f\\x45\\x4c\\x46\\x01\\x01\\x01\\x00 >> getflag
echo -e \\x01\\x00\\x00\\x00\\x00\\x00\\x00\\x00 >> getflag
echo -e \\x02\\x00\\x08\\x00\\x01\\x00\\x00\\x00 >> getflag
echo -e \\x50\\x08\\x40\\x00\\x34\\x00\\x00\\x00 >> getflag
echo -e \\x00\\x00\\x00\\x00\\x05\\x10\\x00\\x50 >> getflag
echo -e \\x34\\x00\\x20\\x00\\x08\\x00\\x00\\x00 >> getflag
echo -e \\x00\\x00\\x00\\x00\\x06\\x00\\x00\\x00 >> getflag
echo -e \\x34\\x00\\x00\\x00\\x34\\x00\\x40\\x00 >> getflag
echo -e \\x34\\x00\\x40\\x00\\x00\\x01\\x00\\x00 >> getflag
echo -e \\x00\\x01\\x00\\x00\\x05\\x00\\x00\\x00 >> getflag

ShikChen

struct SAM {
    struct nd { int l, p; array<int, 26> e; };
    vector<nd> v;
    SAM() : v(2, nd{0, 0, {0}}) {}
    void push(int c) {
        int wh = v.size(), st = wh - 1, it = st;
        while (it && !v[it].e[c]) it = v[it].p;
        if (it && v[v[it].e[c]].l != v[it].l + 1) {
            int cp = wh++, ob = v[it].e[c];
            v.push_back(nd{v[it].l + 1, v[ob].p, v[ob].e});

ShikChen

const sleep = (sec) => new Promise(resolve => setTimeout(resolve, sec * 1000))

async function foo() {
  console.log(1)
  await sleep(1)
  console.log(2)
}

(async () => {
  foo().then(() => console.log(3))