Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Sign up for free
Menu
Search
Features
All features
Private URLs
Password Protection
Custom URLS
Scheduled publishing
Remove Branding
Restrict embedding
Deck Collections
Notes
Features
All features
Private URLs
Password Protection
Custom URLS
Scheduled publishing
Remove Branding
Restrict embedding
Deck Collections
Notes
Explore
Featured decks
Featured speakers
Programming
Technology
Storyboards
Explore
Featured decks
Featured speakers
Programming
Technology
Storyboards
Pricing
Search
Sign in
Sign up for free
なぜマルウェア解析は自動化できないのか
Search
Yuma Kurogome
August 14, 2016
Programming
4.4k
6
Share
Embed
Copy iframe code
Copy JS code
Copy link
Start on current slide
なぜマルウェア解析は自動化できないのか
セキュリティ・キャンプ全国大会2016 講義資料
Yuma Kurogome
August 14, 2016
More Decks by Yuma Kurogome
See All by Yuma Kurogome
The Art of De-obfuscation
ntddk
15
28k
死にゆくアンチウイルスへの祈り
ntddk
54
39k
Linear Obfuscation to Drive angr Angry
ntddk
4
940
Peeling Onions
ntddk
7
3.8k
仮想化技術を用いたマルウェア解析
ntddk
8
27k
An Introduction to Drawbridge(ja)
ntddk
10
3.5k
Other Decks in Programming
See All in Programming
當我們開始不讀 Code - AI Agent 時代,Code Review 與 Clean Code 還剩下什麼?
jame2408
1
350
Web3Dライブラリを作ってVue Custom Rendererの仕組みを理解しよう / lets learn vue custom renderer by making 3d library
drumath2237
1
110
オーケストレーション記述言語 Katari
yukikurage
0
220
AI時代のIaC入門 〜なぜインフラをコードで管理したいのか?〜 / Introduction to IaC in the AI Era
akihisaikeda
6
1.3k
Performance Optimization With LLMs
xleitix
0
230
LLM 101
dalinaum
0
440
Coding with AI: How to trust the storyteller (AWS Community Day Adria, Ljubljana 2026)
slobodan
0
130
現場と育てるRailsモデリング 〜Spreadsheetから始めたモデル設計〜
siroemk
2
1.2k
느린 네트워크와 저사양 디바이스 사용자를 위한 웹뷰 로딩 시간 개선기
kmkim
0
110
パスワード再設定メールのURLについて知っておこう
uyuki234
0
200
Long Living Tokens, Die, Die, Die! (or: The One Ring is Banned in Modern)
sylph01
0
400
コーディング自動化の次へ。人の介入をゼロにするファクトリーとサポートAIによる実践
timakin
5
5k
Featured
See All Featured
Writing Fast Ruby
sferik
630
63k
[Rails World 2026] Durable orchestration on Rails: from continuation to workflow
palkan
2
990
SEOcharity - Dark patterns in SEO and UX: How to avoid them and build a more ethical web
sarafernandez
0
320
brightonSEO & MeasureFest 2025 - Winning Strategies for Black Friday CRO & PPC - Christian Goodrich
cargoodrich
3
890
Understanding Cognitive Biases in Performance Measurement
bluesmoon
32
3.1k
Breaking role norms: Why Content Design is so much more than writing copy - Taylor Woolridge
uxyall
1
490
Building Experiences: Design Systems, User Experience, and Full Site Editing
marktimemedia
1
650
Kristin Tynski - Automating Marketing Tasks With AI
techseoconnect
PRO
0
570
The Straight Up "How To Draw Better" Workshop
denniskardys
239
140k
Money Talks: Using Revenue to Get Sh*t Done
nikkihalliwell
0
550
Stewardship and Sustainability of Urban and Community Forests
pwiseman
0
580
AI in Enterprises - Java and Open Source to the Rescue
ivargrimstad
0
1.6k
Transcript
None
None
None
None
None
• • • • • • • • • •
• • • •
• • • •
• • • • • • • • • •
• • • •
• • • • • • • • • •
• • •
None
• • • • • • • • • •
• • • • • • • • • • • • • • • • • • • •
• • • • • •
typedef struct _IMAGE_OPTIONAL_HEADER { WORD Magic; ... DWORD SizeOfCode; //
コード全体のサイズ ... DWORD AddressOfEntryPoint; // エントリポイントのアドレス (RVA) DWORD BaseOfCode; // コード領域のベースアドレス (RVA) DWORD BaseOfData; // グローバル変数などの値が確定していないデータ領域のベースアドレス (RVA) DWORD ImageBase; // 仮想メモリにロードされるときの開始(ベース)アドレス // RVAはImageBaseのアドレスを引いた相対アドレス ... DWORD SizeOfImage; // メモリにロードされたときの全体サイズ DWORD SizeOfHeaders; ... IMAGE_DATA_DIRECTORY DataDirectory[IMAGE_NUMBEROF_DIRECTORY_ENTRIES]; // インポート情報やエクスポート情報などへのアドレス (RVA) } IMAGE_OPTIONAL_HEADER, *PIMAGE_OPTIONAL_HEADER;
None
• • • • • •
None
• • • • • • •
• • • • • • • •
• • • •
• MOV EBX, EAX ADD EAX, $0x4 … MOV EBX,
EAX ADD EAX, $0x4 … • • • mov_i32 ebx, eax movi_i32 tmp1, 0x4 add_i32 eax, tmp1 •
•
•
None
None
• • • • • • • • •
• • •
• • • • •
• • • • •
None
• • • • •
• • • • • •
• •
• • • • • • • •
from datetime import date from hashlib import sha256 def dyre_dga(num,
date_str=None): if None == date_str: date_str = '{0.year}-{0.month}-{0.day}'.format(date.today()) tlds = ['.cc', '.ws', '.to', '.in', '.hk', '.cn', '.tk', '.so'] hash = sha256('{0}{1}'.format(date_str, num)).hexdigest()[3:36] replace_char = chr(0xFF & ((num % 26) + 97)) return '{0}{1}{2}:443'.format(replace_char, hash, tlds[num % len(tlds)]) todays_domains = [dyre_dga(i) for i in xrange(333)]
• • • •
• •
• • •
None
None
• • • • • • • • •
• • • •
• •
cmp eax, 0x7E0 je 0xdeadbaad if(x!=2016) Invalid. ASSERT( INPUT_*_*_* =0hex7E0
); (a1 or !a2 or a3 … or an) and (b1 or b2 or !b3 … or !bn) and …
None
• •
•
None
• •
None
•
None
• • • • • •
• • •