From 79965ab47274ebd571b7d3aac1b4d9db5dde36d4 Mon Sep 17 00:00:00 2001
From: sangge <2251250136@qq.com>
Date: Sat, 26 Aug 2023 01:00:03 +0800
Subject: [PATCH] =?UTF-8?q?=E9=A2=84=E6=9C=9F=E8=A7=A3?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 crypto/easy_pow/crack.py | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 crypto/easy_pow/crack.py

diff --git a/crypto/easy_pow/crack.py b/crypto/easy_pow/crack.py
new file mode 100644
index 0000000..3840482
--- /dev/null
+++ b/crypto/easy_pow/crack.py
@@ -0,0 +1,25 @@
+import hashlib
+import itertools
+from pwn import *
+import string
+
+context.log_level = 'debug'
+
+r = remote("localhost",10001)
+
+strings=r.recvline().decode('utf-8')
+alpha_bet = string.ascii_letters+string.digits
+strlist = itertools.permutations(alpha_bet, 4)
+obj = re.search('\w{64}', strings)[0]
+obj2 = re.search('\w{16}', strings)[0]
+
+for i in strlist:
+    data=i[0]+i[1]+i[2]+i[3]+obj2
+    data_sha=hashlib.sha256(data.encode('utf-8')).hexdigest()
+    if(data_sha==obj):
+        print(data[:4])
+        r.sendline(data[:4].encode())
+        break
+r.recvline()
+r.recvline()
+r.close()
\ No newline at end of file