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8PSE1SFTTϓϩδΣΫτͷ ͜Ε͔Β 8PSE$BNQ5PLZP ٶ಺ོߦ 

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݄̎ͷηΩϡϦςΟϗʔϧʹ ͍ͭͯͷӅ͞ΕͨܦҢ 1. ηΩϡϦςΟاۀ͕ηΩϡϦςΟϗʔϧΛൃݟɻଈ࠲ʹίΞνʔϜͱͦͷاۀ͕ɺ ͦͷηΩϡϦςΟϗʔϧΛ࢖༻ͨ͠߈ܸͷ༗ແΛ֬ೝɻ
 => ͳ͔ͬͨɻ 2. ύονΛ࡞੒ɻίϛϡχςΟ಺ͷϗεςΟϯάاۀʹ࿈བྷɻ͜ͷ࣌఺Ͱଟ͘ͷϗε ςΟϯάاۀͰ͸WAF౳Ͱ෧͡ࠐΊΔ͜ͱʹ੒ޭͨ͠ɻ
 => ϗεςΟϯάاۀͷϩάͰ΋߈ܸ͸θϩͩͬͨɻ 3. मਖ਼൛ΛϦϦʔεɻ͜ͷ࣌఺ͰηΩϡϦςΟϗʔϧʹ͍ͭͯ͸ඇެ։
 => ͜ͷ࣌఺Ͱ΋߈ܸ͸θϩɻ 4. ࣗಈΞοϓσʔτ͕ߦ͖౉ΔͷΛ଴ͬͨޙʹɺࣗಈΞοϓσʔτΛࢭΊ͍ͯΔϢʔ βʔ͕͍Δ͜ͱΛ૝ఆͯ͠ηΩϡϦςΟ৘ใΛ։ࣔɻ 
 => ެද࣌఺Ͱ΋߈ܸ͸θϩͩͬͨɻ

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ࣗಈΞοϓσʔτΛΦϑʹ͍ͯ͠ΔαΠτΛத৺ʹ
 େྔʹඃ֐

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NHNςίϥεɺXSERVERɺ͘͞ΒΠϯλʔωοτ ϑΝʔεταʔόʔɺϔςϜϧ ϩϦϙοϓ JPCERT JPηΩϡΞ ڞ༗αʔόʔΛఏڙ͍ͯ͠Δاۀ΍ηΩϡϦςΟاۀͱ ηΩϡϦςΟϗʔϧʹରͯ͠ڠྗͯ͠औΓ૊Ήɻ

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%JTUSJCVUFE6OJU5FTU XSERVER
 ͘͞ΒΠϯλʔωοτ ϩϦϙοϓ ϗεςΟϯάاۀͷΠϯϑϥͰఆظతʹϢχοτςετΛ࣮ߦ͢Δɻ ΋͠ςετʹΤϥʔ͕͋Ε͹ࣗಈతʹίΞνʔϜͱڞ༗ɻ

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1)1  ೔ຊޠͷαΠτ͸ 6%

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4FSWF)BQQZϓϩδΣΫτ

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wp checksum plugin wp checksum theme ϓϥάΠϯ΍ςʔϚͷվ͟ΜΛݕग़͢ΔͨΊͷ"1*Λ։ൃ༧ఆ ίΞ͸ҎԼͷWP-CLIίϚϯυͰ֬ೝՄೳ wp checksum core

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࣍ੈ୅ͷυΩϡϝϯταΠτ ೔ຊ͔Β͸ཱՖ͞Μͱ๻͕ࢀՃɻ ࠃࡍԽʹ͍ͭͯ͸·ͩະఆɻ

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Ϣʔβʔͷօ͞Μ΁

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• ޙํޓ׵ੑ͸कΓ·͢ɻ • ࣗಈΞοϓσʔτ͸Φϑʹ͠ͳ͍Ͱɻ

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ίϛϡχςΟͷօ͞Μ΁

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ͦ͜ʹ͍Δ͚ͩͰ՝୊Λ ೝࣝͤ͞Δ͜ͱ͕Ͱ͖·͢ɻ

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(FU*OWPMWFE