Steganography Analysis With pngdump.py
This article discusses the analysis of a PNG file containing hidden malicious content using the pngdump.py tool. The image, 31744 pixels wide and 1 pixel high, was found to have a PE file embedded in its pixel data. The author demonstrates how to extract the hidden file using various Python tools and techniques, including slicing the raw pixel data to isolate the second channel where the malware was concealed. The extracted PE file, identified as a .NET executable, had 49 detections on VirusTotal, while the original PNG file had none, showcasing the effectiveness of this steganography technique in evading detection.
Pulse ID: 680caa2918e5441a8aab47f8
Pulse Link: https://otx.alienvault.com/pulse/680caa2918e5441a8aab47f8
Pulse Author: AlienVault
Created: 2025-04-26 09:40:57
Be advised, this data is unverified and should be considered preliminary. Always do further verification.
