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Hospital Security Harden โ€” 3-Track Sprint Report

Sprint: hospital-security-harden-tracks-20260501
Date: 2026-05-01 KST 08:05 ~ 08:25 (~20min)
Owner: Claude (์ž„์‹œ CEO ๊ถŒํ•œ)
Result: 9/9 task PASS + 1 ๋ถ€์ˆ˜ ๋ฐœ๊ฒฌ (gate ํ™œ์„ฑ ์นจ์ž…, ๋ณ„๋„ sprint ํ•„์š”)


1. ๋ฐฐ๊ฒฝ

hospital-xmrig-eradicate-20260501 sprint ํšŒ๊ณ ์—์„œ ์‹๋ณ„ํ•œ 3 ์ž”์—ฌ ํ•ญ๋ชฉ์„ ๋‹จ์ผ sprint 3 ํŠธ๋ž™์œผ๋กœ ๋ณ‘๋ ฌ ์ฒ˜๋ฆฌ.


2. T1 โ€” ๋ณ€์กฐ ๊ฐ์ง€ ๊ฐ€๋“œ ๋ณด๊ฐ• (auditd/inotify)

๋ณ€๊ฒฝ

๊ฒ€์ฆ

๊ฒฐํ•จ ๋ฐœ๊ฒฌ + ์ •์ •


3. T2 โ€” 4์„œ๋ฒ„ cron ํ†ต์ผ

์ง„๋‹จ

์„œ๋ฒ„ cron entry (์ „) ์ƒํƒœ
kahan */5 * * * * root /opt/scripts/kill-miners.sh โœ… ํ‘œ์ค€
kahanclub */5 * * * * /usr/local/bin/anti-miner-guard โŒ ๋น„ํ‘œ์ค€ (root ๋ˆ„๋ฝ + ๋‹ค๋ฅธ binary)
gate */5 * * * * root /opt/scripts/kill-miners.sh โœ… ํ‘œ์ค€
stage8 */5 * * * * root /opt/scripts/kill-miners.sh โœ… ํ‘œ์ค€
hospital */5 * * * * root /opt/scripts/kill-miners.sh; hospital-guard-alert.sh โœ… ํ‘œ์ค€ + alert

๋ณ€๊ฒฝ (kahanclub๋งŒ)

๊ฒ€์ฆ


4. T3 โ€” mco-bot Telegram endpoint ์ •์ •

์ง„๋‹จ

๋ณ€๊ฒฝ

๊ฒ€์ฆ


5. ๋ถ€์ˆ˜ ๋ฐœ๊ฒฌ (๋ณ„๋„ sprint ๊ถŒ๊ณ )

๐Ÿšจ gate ์„œ๋ฒ„ ํ™œ์„ฑ ์นจ์ž… ์ง„ํ–‰ ์ค‘

์‹œ๊ฐ (KST) ์œ„ํ˜‘
08:00 moneroร—2 / sysslsร—2 / javaeร—2 (8 threats)
08:05 xmrigร—2 / moneroร—2 / sysslsร—2 / javaeร—2 / cryptonightร—2 / randomxร—2 / nullbyteร—2 / card0-crtc (15 threats)
08:10 javae / nullbyte / kaluad (3 threats)

6. ์•ˆ์ „ ๊ฒ€์ฆ

์•ˆ์ „ ๋ฃฐ ๊ฒฐ๊ณผ
ํŠธ๋ ˆ์ด๋”ฉ ๋ฌด์ค‘๋‹จ โœ… gunjaร—3 + gateร—2 active ์œ ์ง€
UFW ๋ฌด๋ณ€๊ฒฝ โœ…
DB DROP 0 โœ…
์žฌ๋ถ€ํŒ… 0 โœ…
SSH ์„ค์ • ๋ณ€๊ฒฝ 0 โœ… (sshd_config ๋ฌด๋ณ€๊ฒฝ, authorized_keys ๋ฌด๋ณ€๊ฒฝ)

7. ๊ฒ€์ฆ ๋ถˆ๊ฐ€ (์‹œ๊ฐ„ ์˜์กด)


8. ๋ฉ”๋ชจ๋ฆฌ