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@fogus
fogus / 0 - UNIX Fifth Edition
Created July 20, 2011 00:15
UNIX V5, OpenBSD, Plan 9, FreeBSD, and GNU coreutils implementations of echo.c
main(argc, argv)
int argc;
char *argv[];
{
int i;
argc--;
for(i=1; i<=argc; i++)
printf("%s%c", argv[i], i==argc? '\n': ' ');
}
@edmcman
edmcman / vsa.ml
Created February 24, 2013 04:43
BAP vsa.ml file
(** Value-Set Analysis / Value-Set Arithmetic
See Gogul Balakrishnan's thesis at
http://pages.cs.wisc.edu/~bgogul/Research/Thesis/thesis.html
TODO:
* Alternate memstore implementation
* Add a real interface; automatically call simplify_cond
* Big int support
* Idea: Use copy propagation information to maintain equivalence
@CoolOppo
CoolOppo / MarIO.lua
Created June 14, 2015 06:00
-- MarI/O by SethBling
-- Feel free to use this code, but please do not redistribute it.
-- Intended for use with the BizHawk emulator and Super Mario World or Super Mario Bros. ROM.
if gameinfo.getromname() == "Super Mario World (USA)" then
Filename = "DP1.state"
ButtonNames = {
"A",
"B",
"X",
@bnagy
bnagy / afl-llvm-rt.o.c
Last active June 13, 2018 21:54
AFL SHM with guard pages
/*
american fuzzy lop - LLVM instrumentation bootstrap
---------------------------------------------------
Written by Laszlo Szekeres <lszekeres@google.com> and
Michal Zalewski <lcamtuf@google.com>
LLVM integration design comes from Laszlo Szekeres.
Copyright 2015 Google Inc. All rights reserved.
@bishboria
bishboria / springer-free-maths-books.md
Last active June 8, 2024 06:39
Springer made a bunch of books available for free, these were the direct links
@yrp604
yrp604 / xnu-syscall-life-amd64.md
Last active October 2, 2023 15:59
The life of an XNU unix syscall on amd64

XNU syscall path

Chart

             +------------------+
             |These push their  |                                  +-----------------------+
             |respective syscall|                                  |This overwrites the    |
             |dispatch functions|                                  |saved dispatch function|
             |onto the stack    |                                  |with hndl_alltraps     |
@steventroughtonsmith
steventroughtonsmith / main.m
Created March 24, 2016 08:08
Load Mach-O executable at runtime and execute its entry point
void callEntryPointOfImage(char *path, int argc, char **argv)
{
void *handle;
int (*binary_main)(int binary_argc, char **binary_argv);
char *error;
int err = 0;
printf("Loading %s…\n", path);
handle = dlopen (path, RTLD_LAZY);
@williballenthin
williballenthin / hint_calls.py
Last active April 4, 2024 03:40
'''
IDA plugin to display the calls and strings referenced by a function as hints.
Installation: put this file in your %IDADIR%/plugins/ directory.
Author: Willi Ballenthin <william.ballenthin@fireeye.com>
Licence: Apache 2.0
'''
import idc
import idaapi
import idautils
@Lense
Lense / randomware.md
Last active March 6, 2018 03:34
SECCON 2016 quals: randomware

randomware

SECCON 2016 quals

description

300 points
My PC suddenly got broken. Could you help me to recover it please?
NOTE: The disk can be virus-infected. DO NOT RUN any programs extracted from the disk outside of sandbox.
disk.qcow2.zip
Challenge files is huge, please download it first. Password will release after 60min.
password: h9nn4c2955kik9qti9xphuxti

@michaelochs
michaelochs / DynamicNSStringEvaluation.m
Last active February 6, 2022 14:47
As a follow up for https://gist.github.com/michaelochs/f106b5c42aafe6bed74ac5dab82281c4 this is what's going on under the hood!
@interface MyStringProxy : NSProxy
@property (nonatomic) NSString *target;
@end
@implementation MyStringProxy
- (BOOL)respondsToSelector:(SEL)aSelector {