YiChenChai

import idaapi
import idautils
import idc
import ida_hexrays

def mod_sig(ea):
	tinfo = idaapi.tinfo_t()
	ida_typeinf.guess_tinfo(tinfo, ea)
	funcdet = idaapi.func_type_data_t()
	tinfo.get_func_details(funcdet)

seanlowjk

NUS Greyhats Welcome CTF 2021 - fetusrop

• Category: Pwn (ROP)

• Team Name: WashYourMouth

• Team Members:

  • Chua Jia Cheng, Jon
  • Yeo Yik Hwee Ernest

nstarke

Decrypting DLINK Proprietary Firmware Images

The DIR-3040 models of DLINK routers feature encrypted firmware images in the most recent versions of the firmware. https://support.dlink.com/ProductInfo.aspx?m=DIR-3040-US details the firmware images available for this product.

• 1.11B02 - ftp://ftp2.dlink.com/PRODUCTS/DIR-3040/REVA/DIR-3040_REVA_FIRMWARE_v1.11B02.zip
• 1.02B03 - ftp://ftp2.dlink.com/PRODUCTS/DIR-3040/REVA/DIR-3040_REVA_FIRMWARE_v1.02B03.zip

Unzipping the first reveals two files:

• DIR-3040_REVA_RELEASE_NOTES_v1.11B02.pdf

teknogeek

Java.perform(function() {
    console.log('\n[.] Cert Pinning Bypass');

    // Create a TrustManager that trusts everything
    console.log('[+] Creating a TrustyTrustManager that trusts everything...');
    var X509TrustManager = Java.use('javax.net.ssl.X509TrustManager');
    var TrustyTrustManager = Java.registerClass({
        name: 'com.example.TrustyTrustManager',
        implements: [X509TrustManager],
        methods: {

luk6xff

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

If there's no qemu-arm-static in the package list, install qemu-user-static instead

yjxiong

version="2.4.12"

echo "Installing OpenCV" $version
mkdir OpenCV
cd OpenCV

echo "Removing any pre-installed ffmpeg and x264"
sudo apt-get -qq remove ffmpeg x264 libx264-dev

echo "Installing Dependenices"

steinwaywhw

• Use curl to get the JSON response for the latest release
• Use grep to find the line containing file URL
• Use cut and tr to extract the URL
• Use wget to download it

curl -s https://api.github.com/repos/jgm/pandoc/releases/latest \
| grep "browser_download_url.*deb" \
| cut -d : -f 2,3 \
| tr -d \" \