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Update malware-tech_ref_and_memo.md

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@ -408,6 +408,31 @@ New-Object System.IO.Compression.DeflateStream([iO.mEmoRySTream] [sysTEM.ConVert
- HKLM\Software\Microsoft\Windows\CurrentVersion\RunOnceEx - HKLM\Software\Microsoft\Windows\CurrentVersion\RunOnceEx
- HKLM\Software\Microsoft\Windows\CurrentVersion\Explorer\SharedTaskScheduler - HKLM\Software\Microsoft\Windows\CurrentVersion\Explorer\SharedTaskScheduler
``` ```
# Gathering Information
## Public IP address
- HTTP経由
- webサービスを利用してコンピュータのPublic IP addressを確認する
- サービス一覧とcurlコマンド例
```
curl http://httpbin.org/ip
curl http://ifconfig.me
curl http://whatismyip.akamai.com
curl http://icanhazip.com
curl http://ident.me
curl http://v6.ident.me # IPv6
curl http://checkip.amazonaws.com/
curl http://wgetip.com/
curl http://wtfismyip.com/text
```
- DNS経由
- dnsサービスでコンピュータのPublic IP addressを確認する
- [opendnsがUrsnifで用いられていた](https://unit42.paloaltonetworks.jp/wireshark-tutorial-examining-ursnif-infections/)
- サービス一覧とdigコマンドでの例
```
dig myip.opendns.com @resolver1.opendns.com
dig -t txt o-o.myaddr.l.google.com @8.8.8.8 # TXT record
dig whoami.akamai.net @ns1-1.akamaitech.net
```
# Shell Backdoor # Shell Backdoor
- Web Shell等 - Web Shell等