I hereby claim:
- I am sudhackar on github.
- I am sudhackar (https://keybase.io/sudhackar) on keybase.
- I have a public key whose fingerprint is 285B 7686 8970 789A B6D2 EAFF E6DB 7072 7521 A3FB
To claim this, I am signing this object:
Sudhakar Verma sudhackar
🎯
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| from pwn import * | |
| import numpy as np | |
| import sys | |
| ''' | |
| 0x00019ad3 <+243>: mov DWORD PTR [esp],eax | |
| 0x00019ad6 <+246>: call 0x32f50 <exit> | |
| p system |
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| from pwn import * | |
| local=len(sys.argv)==1 | |
| ''' | |
| 0804b00c 00000107 R_386_JUMP_SLOT 00000000 printf | |
| 0804b010 00000207 R_386_JUMP_SLOT 00000000 memcpy | |
| 0804b014 00000307 R_386_JUMP_SLOT 00000000 __stack_chk_fail | |
| 0804b018 00000407 R_386_JUMP_SLOT 00000000 fread | |
| 0804b01c 00000507 R_386_JUMP_SLOT 00000000 puts | |
| 0804b020 00000607 R_386_JUMP_SLOT 00000000 __gmon_start__ | |
| 0804b024 00000707 R_386_JUMP_SLOT 00000000 exit |
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| from pwn import * | |
| offset___libc_start_main = 0x0000000000020740 | |
| offset_system = 0x0000000000045390 | |
| offset_dup2 = 0x00000000000f6d90 | |
| offset_read = 0x00000000000f6670 | |
| offset_write = 0x00000000000f66d0 | |
| offset_str_bin_sh = 0x18c177 | |
| bss = 0x00000000000130b8 |
sudhackar
/ binarypuzzle.py
Created
June 23, 2017 18:40
A solver for http://binarypuzzle.com/ puzzles based on z3 ( https://github.com/Z3Prover/z3 )
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| game = """ | |
| .....1...1 | |
| 1......0.. | |
| ..0....0.. | |
| .00...0..1 | |
| 1........1 | |
| ...0..1... | |
| 0....1.... | |
| .......0.0 | |
| 0........0 |
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| from pwn import * | |
| context(arch='amd64', os='linux', log_level='info') | |
| system_main_arena_offset = 0x37f7e8 | |
| got_strlen = 0x603040 | |
| s = remote("pwn.rhme.riscure.com",1337) | |
| def recv_menu(): | |
| s.recvuntil(": ") |
sudhackar
/ rhme3-whitebox.py
Last active
November 14, 2018 19:59
RHME3 ctf Whitebox implemetation in pure python
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| dword_6661C0 = [1649885203,594050925,1581470779,-1391327847,-1611275700,-1912869808,-599971129,495688880,1480676927,-2013402532,-909651928,1320857042,210015150,-1192689802,-1425012835,-232312589,-1239741301,-1142292876,-1036574509,-1996951722,-198888713,-450216471,1280137767,8427430,-1995564639,-1761340491,731483796,1029862777,1380405299,2024325110,627735913,1179343915,-700764981,1404151492,1721939426,1016365966,-86589174,1705227488,-1290268787,-1495075486,92509344,-1091895950,-2046092117,695105889,1985694731,865175172,-549704763,966230152,543784559,-1108607888,1683309079,1220063190,1464095541,681086870,-1511787424,-2146885969,242443355,-153959166,58824356,-1861873231,-1661672626,-1762466494,41377875,-1595869338,1413829175,-1978722141,580815258,-433373973,159879336,311335354,125068117,1246713891,-1138947449,344759230,1078550063,2086488583,996177789,-607527372,2007874300,462003892,444557379,1153215454,377187403,765168784,-382846495,1621145574,-48089607,1203612380,2125118962,1103079640,1968852233,-751292467,564 |
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| 'use strict'; | |
| var connect = new NativeFunction( | |
| Module.findExportByName(null, "connect"), | |
| 'int', | |
| ['int', 'pointer', 'int'] | |
| ); | |
| Interceptor.replace(connect, new NativeCallback(function (sockfd, addr, addrlen) { | |
| console.log(sockfd, addr, addrlen); |
sudhackar
/ crypto350.py
Created
September 17, 2017 20:09
[CSAW CTF 2017] solution scripts for pwn and crypto
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| from pwn import * | |
| context(log_level='info') | |
| s = remote('crypto.chal.csaw.io',1578) | |
| def send_blob(s, data): | |
| s.recvuntil(': ') | |
| s.sendline(data) | |
| print "sent", data | |
| return |
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