apsun

/*
 * Hook main() using LD_PRELOAD, because why not?
 * Obviously, this code is not portable. Use at your own risk.
 *
 * Compile using 'gcc hax.c -o hax.so -fPIC -shared -ldl'
 * Then run your program as 'LD_PRELOAD=$PWD/hax.so ./a.out'
 */

#define _GNU_SOURCE
#include <stdio.h>

n30m1nd

Index: server/main.c
===================================================================
--- server/main.c	(revision 1794475)
+++ server/main.c	(working copy)
@@ -434,11 +434,157 @@
     ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,
                  "  -X                 : debug mode (only one worker, do not detach)");
 
-    destroy_and_exit_process(process, 1);
+    destroy_and_exit_process(process, 0);

laobubu

Pico HTTP Server in C

This is a very simple HTTP server for Unix, using fork(). It's very easy to use

How to use

1. include header httpd.h
2. write your route method, handling requests.
3. call serve_forever("12913") to start serving on port 12913

iscgar

#!/usr/bin/sudo ruby

# 
# revealer.rb -- Deobfuscate GHE .rb files.
# 
# This is simple:
# Every obfuscated file in the GHE VM contains the following code:
# 
# > require "ruby_concealer.so"
# > __ruby_concealer__ "..."

icewall

def getGUID(ea):
    data1 = idc.GetManyBytes(ea,4)
    data1 = struct.unpack("<I",data1)[0]
    #print "%08x" % (data1)

    ea += 4
    data2 = idc.GetManyBytes(ea,2)
    data2 = struct.unpack("<H",data2)[0]
    #print "%04x" % (data2)

CMCDragonkai

Understanding the Memory Layout of Linux Executables

Required tools for playing around with memory:

• hexdump
• objdump
• readelf
• xxd
• gcore

xcatliu

2023.8.28

据多名网友回复，此方法已失效。

最新解决办法请参考此贴：[v2ex: 请问 github 的两步验证（two-factor authentication）大家是怎么做的？](https://www.v2ex.com/t/967533)

https://www.v2ex.com/t/967533

---

thejh

#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#include <signal.h>
#include <errno.h>
#include <fcntl.h>
#include <stddef.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <sys/stat.h>

laispace

git config --global https.proxy http://127.0.0.1:1080

git config --global https.proxy https://127.0.0.1:1080

git config --global --unset http.proxy

git config --global --unset https.proxy


npm config delete proxy

Liryna

You might want to read this to get an introduction to armel vs armhf.

If the below is too much, you can try Ubuntu-ARMv7-Qemu but note it contains non-free blobs.

Running ARM programs under linux (without starting QEMU VM!)

First, cross-compile user programs with GCC-ARM toolchain. Then install qemu-arm-static so that you can run ARM executables directly on linux