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Khalif AL Mahmud

Security Research & Practice | MS in Cyber Security | CEH Certified | Ex-Software Engineer

Joined Joined on  Personal website https://khalif.vercel.app github website
Malware Unpacking & Anti-Analysis Bypass: A Deep Dive into Real-World Techniques
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Malware Unpacking & Anti-Analysis Bypass: A Deep Dive into Real-World Techniques

#malwareanalysis #reverseengineering #cybersecurity #antidebug
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13 min read

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From Packed Binary to Readable Code: A Hands-On Walkthrough of Unpacking, Shellcode Analysis, and Memory Forensics
almahmudkhalif profile

From Packed Binary to Readable Code: A Hands-On Walkthrough of Unpacking, Shellcode Analysis, and Memory Forensics

#malwareanalysis #cybersecurity
5
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18 min read
A Deep Dive into Malware Analysis: Deobfuscation, Shellcode Extraction, and Document Forensics
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A Deep Dive into Malware Analysis: Deobfuscation, Shellcode Extraction, and Document Forensics

#malwareanalysis
Comments
15 min read
Reverse Engineering a Windows Keylogger with IDA Pro: Assembly-Level Deep Dive
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Reverse Engineering a Windows Keylogger with IDA Pro: Assembly-Level Deep Dive

#reverseengineering #malware #assembly #security
Comments
7 min read
Reverse Engineering a Live Specimen: A Practical Walkthrough of brbbot.exe (Static, Behavioral, Network, and C2 Analysis)
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Reverse Engineering a Live Specimen: A Practical Walkthrough of brbbot.exe (Static, Behavioral, Network, and C2 Analysis)

#malwareanalysis #reverseengineering #cybersecurity #infosec
Comments
6 min read
Understanding Malware Analysis: Types, Methodology, and Lab Setup Fundamentals
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Understanding Malware Analysis: Types, Methodology, and Lab Setup Fundamentals

#malwareanalysis #cybersecurity
5
Comments
7 min read
Exploiting Metasploitable2 with Metasploit: VSFTPD, Samba, and More
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Exploiting Metasploitable2 with Metasploit: VSFTPD, Samba, and More

#cybersecurity #metasploitable2 #linux #eathicalhacking
Comments
8 min read
Network Enumeration in Practice: Nmap, enum4linux, snmpwalk, and GUI Tools
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Network Enumeration in Practice: Nmap, enum4linux, snmpwalk, and GUI Tools

#cybersecurity #networking #linux #ethicalhacking
Comments
8 min read
I Scanned a Vulnerable VM with Every Nmap Mode — Here Is What Each One Revealed
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I Scanned a Vulnerable VM with Every Nmap Mode — Here Is What Each One Revealed

#nmap #ethicalhacking #networking #penetrationtesting
Comments
8 min read
Passive Reconnaissance on google.com — What I Found Using Shodan, WHOIS, and DNS Tools
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Passive Reconnaissance on google.com — What I Found Using Shodan, WHOIS, and DNS Tools

#infosec #networking #cybersecurity #ethicalhacking
5
Comments
10 min read
Before You Hack Anything — How Penetration Testers Define Scope and Rules of Engagement
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Before You Hack Anything — How Penetration Testers Define Scope and Rules of Engagement

#cybersecurity #ethicalhacking #penetrationtesting
Comments
9 min read
How I Used Wireshark to Dissect a Real TCP Connection — From Handshake to Teardown
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How I Used Wireshark to Dissect a Real TCP Connection — From Handshake to Teardown

#packetanalysis #wireshark #tcp #cybersecurity
Comments 1
7 min read
Building a Personal Cybersecurity Lab: Kali Linux + Metasploitable2 on VirtualBox
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Building a Personal Cybersecurity Lab: Kali Linux + Metasploitable2 on VirtualBox

#cybersecurity #linux #virtualbox #metasploitable2
5
Comments
5 min read
Python Cryptography Basics: Building ASCII & Alphabet Tables from Scratch
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Python Cryptography Basics: Building ASCII & Alphabet Tables from Scratch

#python #cryptography
5
Comments
5 min read
Lab Task 14 - How I Built a Real-Time Admin Login Attack Detector Using Snort3 and Apache on Ubuntu
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Lab Task 14 - How I Built a Real-Time Admin Login Attack Detector Using Snort3 and Apache on Ubuntu

#networking #snort #linux #ubuntu
6
Comments 7
6 min read
Lab Task 13 - How I Built a Network Intrusion Detection System with Snort 3 on Ubuntu — and Caught Every Scan
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Lab Task 13 - How I Built a Network Intrusion Detection System with Snort 3 on Ubuntu — and Caught Every Scan

#snort #ids #nmap #cybersecurity
5
Comments
8 min read
Lab 12 - Telnet and SSH ( I Captured My Own Password in Wireshark — Here's What Telnet Taught Me About Network Security )
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Lab 12 - Telnet and SSH ( I Captured My Own Password in Wireshark — Here's What Telnet Taught Me About Network Security )

#networking #cybersecurity #ssh #telnet
5
Comments
10 min read
Lab Task 11 – Monitoring HTTP Traffic with Httpry on Kali Linux — Passive Capture, Live Monitoring & CLF Conversion
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Lab Task 11 – Monitoring HTTP Traffic with Httpry on Kali Linux — Passive Capture, Live Monitoring & CLF Conversion

#httpry #kalilinux #livemonitoring #passivecapture
5
Comments
7 min read
Lab Task 10 -Packet Capture on Kali Linux: Daemonlogger Setup, Traffic Generation & Wireshark Analysis
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Lab Task 10 -Packet Capture on Kali Linux: Daemonlogger Setup, Traffic Generation & Wireshark Analysis

#wireshark #kalilinux #networking #packetcapture
5
Comments
7 min read
Lab 9 - Building a Cisco ASA Firewall Lab in GNS3: Inside, DMZ, and Outside Zones with Extended ACLs
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Lab 9 - Building a Cisco ASA Firewall Lab in GNS3: Inside, DMZ, and Outside Zones with Extended ACLs

#firewall #gns3 #networking #ciscoasa
5
Comments
9 min read
Lab Task 8 - How I Built a Multi-VLAN Network with Inter-VLAN Routing in GNS3 Using a Layer 3 Switch
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Lab Task 8 - How I Built a Multi-VLAN Network with Inter-VLAN Routing in GNS3 Using a Layer 3 Switch

#networking #gns3 #vlan #layer3switch
5
Comments
7 min read
Lab Task 7 - How I Used Wireshark to Capture ICMP and DHCP Traffic in a GNS3 Network
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Lab Task 7 - How I Used Wireshark to Capture ICMP and DHCP Traffic in a GNS3 Network

#wireshark #dhcp #gns3 #networking
5
Comments
7 min read
Lab Task 6 - How I Built a Multi-Router DHCP Network in GNS3 with RIP Routing
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Lab Task 6 - How I Built a Multi-Router DHCP Network in GNS3 with RIP Routing

#networking #gns3 #dhcp #rip
5
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7 min read
Lab Task 5 - Subnetting in GNS3: Building a Multi-Subnet Network with OSPF Routing from Scratch
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Lab Task 5 - Subnetting in GNS3: Building a Multi-Subnet Network with OSPF Routing from Scratch

#networking #subnetting #gns3 #ospf
5
Comments
8 min read
Lab Task 4 - How I Built a Multi-Router Network Using RIP and OSPF Dynamic Routing in GNS3
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Lab Task 4 - How I Built a Multi-Router Network Using RIP and OSPF Dynamic Routing in GNS3

#networking #rip #dynamicrouting #gns3
5
Comments
8 min read
Lab Task 3 - Static Routing with Backup Links: How Routers Automatically Recover from Failures
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Lab Task 3 - Static Routing with Backup Links: How Routers Automatically Recover from Failures

#networking #cisco #gns3 #staticrouting
5
Comments
9 min read
Lab Task 2 - How I Built a Multi-Router Static Routing Network from Scratch Using GNS-3
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Lab Task 2 - How I Built a Multi-Router Static Routing Network from Scratch Using GNS-3

#networking #gns3 #staticrouting
5
Comments
7 min read
Lab Task 1 - How I Connected Two Isolated Networks Using Static Routing in GNS3
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Lab Task 1 - How I Connected Two Isolated Networks Using Static Routing in GNS3

#networking #gns3 #cisco
5
Comments
4 min read
Step-by-Step Guide to Building a Robust CI/CD Pipeline for Java Projects on AWS Linux with Git, Jenkins, Maven, & Tomcat
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Step-by-Step Guide to Building a Robust CI/CD Pipeline for Java Projects on AWS Linux with Git, Jenkins, Maven, & Tomcat

#devops #aws #cicd #jenkins
8
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11 min read
Integrating Maven with Jenkins: A Step-by-Step Guide
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Integrating Maven with Jenkins: A Step-by-Step Guide

#devops #jenkins
5
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3 min read
Can’t access username or password, forgot these credentials after installing Jenkins
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Can’t access username or password, forgot these credentials after installing Jenkins

#devops #jenkins
6
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3 min read
Streamlining CI/CD: A Complete Guide to Installing Jenkins on AWS EC2
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Streamlining CI/CD: A Complete Guide to Installing Jenkins on AWS EC2

#devops #jenkins #aws
8
Comments
3 min read
Resolving SSH Authentication Errors on Mac: Using a .pem File
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Resolving SSH Authentication Errors on Mac: Using a .pem File

#devops #pem
5
Comments
2 min read
An Introduction to DevOps Build Tools for Different Programming Languages
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An Introduction to DevOps Build Tools for Different Programming Languages

#devops #buildtools
6
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1 min read
Essential JavaScript Array Methods Every Developer Should Know
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Essential JavaScript Array Methods Every Developer Should Know

#javascript
5
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3 min read
Show the Last Commit of a GitHub Repository in Terminal Prompt
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Show the Last Commit of a GitHub Repository in Terminal Prompt

#terminal #github
5
Comments
2 min read
Simplifying Data Fetching in React with Axios and React Query in Next.js
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Simplifying Data Fetching in React with Axios and React Query in Next.js

#axios #nextjs
7
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3 min read
A Comprehensive Guide with XHR, Fetch API, Axios and jQuery AJAX
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A Comprehensive Guide with XHR, Fetch API, Axios and jQuery AJAX

#xhr #axios #jquery #ajax
6
Comments
5 min read
Setting Up Node.js and Yarn on Debian-based Distributions
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Setting Up Node.js and Yarn on Debian-based Distributions

#node #npm #debian
5
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2 min read
Shopify vs. WordPress: Key Features and Functionalities
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Shopify vs. WordPress: Key Features and Functionalities

#shopify #wordpress
5
Comments 2
3 min read
Set Up Local Shopify Theme Development with GitHub Integration
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Set Up Local Shopify Theme Development with GitHub Integration

#shopify #github
6
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3 min read
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