https://re4perz3d.github.io/writeups/securinets-beginner-ctf-2025/Recent content in Securinets Beginner CTF 2025 on Re4perZ3dHugoenMon, 10 Nov 2025 00:00:00 +0000https://re4perz3d.github.io/writeups/securinets-beginner-ctf-2025/intro-to-volatility/Mon, 10 Nov 2025 00:00:00 +0000https://re4perz3d.github.io/writeups/securinets-beginner-ctf-2025/intro-to-volatility/Windows memory forensics with Volatility 3: extracting system info, spotting malicious activity and recovering a file hash from a memory dump.https://re4perz3d.github.io/writeups/securinets-beginner-ctf-2025/obfuscated/Mon, 10 Nov 2025 00:00:00 +0000https://re4perz3d.github.io/writeups/securinets-beginner-ctf-2025/obfuscated/Network forensics: extracting an obfuscated JavaScript file from HTTP traffic, deobfuscating it and decoding a reversed Base64 flag.https://re4perz3d.github.io/writeups/securinets-beginner-ctf-2025/punkvania/Mon, 10 Nov 2025 00:00:00 +0000https://re4perz3d.github.io/writeups/securinets-beginner-ctf-2025/punkvania/A phishing campaign investigation: a fake indie-game landing page used as a lure, worked through indicator extraction and attribution.https://re4perz3d.github.io/writeups/securinets-beginner-ctf-2025/red-penguin/Mon, 10 Nov 2025 00:00:00 +0000https://re4perz3d.github.io/writeups/securinets-beginner-ctf-2025/red-penguin/Threat intelligence questions on the RedPenguin cyber-espionage campaign, mapped against the MITRE ATT&CK framework.https://re4perz3d.github.io/writeups/securinets-beginner-ctf-2025/solarwinds-campaign/Mon, 10 Nov 2025 00:00:00 +0000https://re4perz3d.github.io/writeups/securinets-beginner-ctf-2025/solarwinds-campaign/Investigating a suspicious email tied to the SolarWinds campaign: uncovering TTPs and indicators of compromise as a threat intel analyst.https://re4perz3d.github.io/writeups/securinets-beginner-ctf-2025/vigenere/Mon, 10 Nov 2025 00:00:00 +0000https://re4perz3d.github.io/writeups/securinets-beginner-ctf-2025/vigenere/A classical-cipher challenge: a known-plaintext attack on a Vigenère-encrypted flag to recover the key and decrypt the message.