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All Journal Jurnas Nasional Teknologi dan Sistem Informasi Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi) JISKa (Jurnal Informatika Sunan Kalijaga)
Muh. Hajar Akbar
Program Studi Teknik Informatika, Universitas Ahmad Dahlan
Computer Science & IT Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Engineering Library & Information Science

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Penerapan Metode Static Forensics untuk Ekstraksi File Steganografi pada Bukti Digital Menggunakan Framework DFRWS Sunardi; Imam Riadi; Muh. Hajar Akbar
Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi) Vol 4 No 3 (2020): Juni 2020
Publisher : Ikatan Ahli Informatika Indonesia (IAII)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (685.291 KB) | DOI: 10.29207/resti.v4i3.1906

Abstract

Steganography is one of the anti-forensic techniques that allow criminals to hide information in other messages so that during the investigation, the investigator will experience problems and difficulty in getting evidence of original information on the crime. Therefore an investigator is required to have the ability to be able to find and extract (decoding) using the right tools when opening messages that have been inserted by steganography techniques. The purpose of this study is to analyze digital evidence using the static forensics method by applying the six stages to the Digital Forensics Research Workshop (DFRWS) framework and extracting steganography on files that have been compromised based on case scenarios involving digital crime. The tools used are FTK Imager, Autopsy, WinHex, Hiderman, and StegSpy. The results of extraction of 9 out of 10 files that were scanned by steganography files had 90% success and 10% of steganography files were not found, so it can be concluded that the extraction files in steganographic messages can be used as legal digital proofs according to law.
Steganalisis Bukti Digital pada Media Penyimpanan Menggunakan Metode Static Forensics Sunardi Sunardi; Imam Riadi; Muh Hajar Akbar
Jurnal Nasional Teknologi dan Sistem Informasi Vol 6, No 1 (2020): April 2020
Publisher : Jurusan Sistem Informasi, Fakultas Teknologi Informasi, Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/TEKNOSI.v6i1.2020.1-8

Abstract

Steganografi merupakan salah satu teknik anti forensik yang memungkinkan pelaku kejahatan untuk menyembunyikan suatu informasi kedalam pesan lainnya, sehingga pada saat pemeriksaan akan sulit untuk didapatkan bukti informasi kejahatan tersebut. Oleh karena itu diperlukan teknik untuk mendeteksi pesan tersembunyi di dalam suatu data. Teknik tersebut dikenal dengan istilah steganalisis. Steganalisis merupakan suatu ilmu anti-steganografi yang tujuan utamanya adalah mempelajari karakteristik penyembunyian suatu data pada media digital serta mendeteksi keberadaan pesan rahasia yang disembunyikan menggunakan teknik steganografi. Tujuan pada penelitian ini adalah menerapkan teknik steganalisis untuk mendeteksi keberadaan pesan yang disembunyikan dalam pesan lain dengan menggunakan metode forensik yaitu Digital Forensics Research Workshop (DFRWS). Pada penelitian ini, proses penyisipan pesan steganografi menggunakan aplikasi Hiderman, sedangkan proses steganalisis menggunakan aplikasi StegSpy. Hasil yang didapat pada penelitian ini adalah proses steganalisis dengan menggunakan bantuan aplikasi StegSpy terbukti berhasil mendeteksi keberadaan pesan tersembunyi pada keempat file yang diskenariokan telah disisipi pesan steganografi.
Steganalysis Bukti Digital pada Media Storage Menggunakan Metode GCFIM Muh Hajar Akbar; Sunardi Sunardi; Imam Riadi
JISKA (Jurnal Informatika Sunan Kalijaga) Vol. 5 No. 2 (2020): September 2020
Publisher : UIN Sunan Kalijaga Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (969.618 KB) | DOI: 10.14421/jiska.2020.52-04

Abstract

Steganography is an anti-forensic technique that allows a criminal to hide information in other messages, so that during an examination it will be difficult to obtain evidence of the crime information. Therefore we need a technique to detect hidden messages in the data. This technique is known as steganalysis. Steganalysis is an anti-steganography science whose main purpose is to study the hiding characteristics of data on digital media and detect the existence of secret messages that are hidden using steganography techniques. The purpose of this study is to apply steganalysis techniques to detect the presence of messages that are hidden in other messages by using the forensic method, namely Generic Computer Forensic Investigation Model (GCFIM). In this study, the process of inserting steganographic messages using the Hiderman application, while the steganalysis process uses the StegSpy application. The results obtained in this study were the process of steganalysis using the help of the StegSpy application proved to be successful in detecting the presence of hidden messages in the five files that were scanned by steganographic messages.
Co-Authors Imam Riadi Imam Riadi Imam Riadi Sunardi - Sunardi, Sunardi