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セキュリティログ分析基盤の構築 on AWS
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Masayoshi Mizutani
May 16, 2018
Technology
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セキュリティログ分析基盤の構築 on AWS
2018.5.16 Security JAWS での発表資料です
Masayoshi Mizutani
May 16, 2018
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Transcript
ηΩϡϦςΟϩάੳج൫ͷߏங PO"84 ΫοΫύουגࣜձࣾΠϯϑϥετϥΫνϟʔ෦ ਫ୩ਖ਼ܚ 8FE
ࣗݾհˍൃද֓ཁ wਫ୩ਖ਼ܚ !N@NJ[VUBOJ w ຊ*#.ೖࣾ w ౦ژجૅݚڀॴ w ηΩϡϦςΟࣄۀ෦5PLZP40$
w ΫοΫύουגࣜձࣾೖࣾ w ΠϯϑϥετϥΫνϟʔ෦ηΩϡϦςΟνʔϜ wࠓͷൃද ݄ʹฐࣾ5FDI$POGͷ-5Ͱͨ͠༰ͷ࠷৽൛Ͱ͢
ηΩϡϦςΟϩάੳͱ͍͑4*&.ɺ͔͠͠Ϋϥυ্ͩͱʜ wϩάͷૹ৴ݩΛಈతʹ੍ޚͰ͖ͳ͍ w ૹ৴ݩʴϩάͷܗࣜͷΤϯτϦΛཧ͢Δ"1*͕ͳ͍ w Χλϩά্ࣗಈొ͢Δͱݴ͍ͬͯΔ͕͏·͘Ճ͞Εͳ͍ w ΠϯελϯεɾαʔϏεͷՃɾআʹରԠ͢Δͷ͕େม wશମߏΛؾܰʹ͍͡Εͳ͍ w
ߏ্εέʔϧΞτ͢Δ͕खಈˍࣦഊ͢Δͱഁ໓ w εέʔϧΞτͨ͠ͷͷதʹϩά͕ΔͷͰεέʔϧΠϯෆՄ w ϩά͕όʔετͨ͠ͱ͖ͷରԠ͕େม wϧʔϧͷςετ͕͍͠ w ςετͷͨΊʹෳߏ༻ҙ͢ΔPS࣮ڥͰΔ w "1*ͳͲͳ͍ͷͰɺવਓखͰؤுΔ w ΫΠοΫʹϧʔϧͷௐ͕Ͱ͖ͳ͍มߋʹΑΔαΠυΤϑΣΫτͰۤ࿑͢Δ ˞ҰൠԽ͞ΕͨͰͳ͘ɺͱ͋Δͷܦݧʹج͍ͮͨఆͰ͢
ઃܭཁ݅ wোͷੑ wੑೳɿඦ(#ͷྲྀྔˍ༰қͳεέʔϧΞτ͕Մೳ wมߋཤྺཧ w؇͍ϦΞϧλΠϜੑɿఔͷԆڐ༰ wঢ়گʹԠͨ͡ηΩϡϦςΟੳ w ύλʔϯ ৗతʹൃੜ͢ΔΞϥʔτͷੳ w
ύλʔϯ Πϯγσϯτൃੜ࣌ͷظੳ w ύλʔϯ ظؒͷ౷ܭใऔಘ wੳɾରԠͷࣗಈԽ
ΞʔΩςΫνϟ֓ཁ ϩάϑΝΠϧઃஔͷ ΠϕϯτΛݕग़ Lambda Lambda Lambda Kinesis Stream S3 S3
Athena ϧʔϧΛ༻͍ͨ Ξϥʔτͷݕ Ξϥʔτͷൃใ ϩάͷม EC2 Elasticsearch Service ߴͰΠϯλϥΫςΟϒͳ ظతϩάͷݕࡧ ظؒʹΘͨΔ ϩάͷݕࡧ GHE PagerDuty Slack Ξϥʔτͷൃใɾཧ Ξϥʔτͷௐࠪ CloudWatch Logs/Event, GuardDuty, CloudTrail EC2 instances ͦͷଞϓϩμΫτ Kinesis Stream Kinesis Stream ˞ࡉ͔͍ͱ͜Ζͪΐͬͱંͬͯ·͢
ΞʔΩςΫνϟ֓ཁ ύʔτ͚ ϩάϑΝΠϧઃஔͷ ΠϕϯτΛݕग़ Lambda Lambda Lambda Kinesis Stream S3
S3 Athena ϧʔϧΛ༻͍ͨ Ξϥʔτͷݕ Ξϥʔτͷൃใ ϩάͷม EC2 Elasticsearch Service ߴͰΠϯλϥΫςΟϒͳ ظతϩάͷݕࡧ ظؒʹΘͨΔ ϩάͷݕࡧ GHE PagerDuty Slack Ξϥʔτͷൃใɾཧ Ξϥʔτͷௐࠪ EC2 instances ͦͷଞϓϩμΫτ Kinesis Stream Kinesis Stream ϩάऩूύʔτ ϩάॲཧύʔτ Ξϥʔτॲཧύʔτ CloudWatch Logs/Event, GuardDuty, CloudTrail
ϩάॲཧύʔτ wϑΝΠϧੜΠϕϯτͷॲཧ 4ˠ-BNCEBˠ,JOFTJT4USFBN w 4ͷ$SFBUF0CKFDUΠϕϯτΛ-BNCEBͰड͚ͯ,JOFTJT4USFBNʹྲྀ͢ w -BNCEBʹϩάྲྀͣ͞ʹ4্ͷϑΝΠϧͷΩʔͳͲ࠷ݶͷ
ใ͚ͩΛྲྀ͢ w ,JOFTJT4USFBNͰΠϕϯτใΛड͚औͬͨޙଓͷ-BNCEB͕4ͷ ϑΝΠϧΛಡΈࠐΈϩάσʔλΛऔಘ͢Δ ϩάϑΝΠϧઃஔͷ ΠϕϯτΛݕग़ Lambda Lambda Kinesis Stream ϧʔϧΛ༻͍ͨ Ξϥʔτͷݕ ϩάͷม Kinesis Stream
ϩάॲཧύʔτ wϩάͷมUP(SBZMPH w ,JOFTJT4USFBN͔ΒϩάϑΝΠϧઃஔͷΠϕϯτΛड͚औͬͨޙɺ ϑΝΠϧΛ4͔ΒಡΈऔΔˠϩάͷύʔεˠ(SBZMPHసૹ w ύʔαࣗલͰ༻ҙ4ͷόέοτʴύεͰϑΥʔϚοτΛผ w (SBZMPHͷ(&-'ܗࣜʹมͨ͠ޙ5$1Ͱసૹ
wϩάͷมUP"UIFOB w -BNCEBͰ"UIFOBʹରԠͨ͠+40/ܗࣜʹม w (MVFΛͬͨมʹͰ͖ͳ͍͔ݕ౼த ϩάϑΝΠϧઃஔͷ ΠϕϯτΛݕग़ Lambda Lambda Kinesis Stream ϧʔϧΛ༻͍ͨ Ξϥʔτͷݕ ϩάͷม Kinesis Stream
Ξϥʔτॲཧύʔτ w(JU)VC&OUFSQSJTF ()& Λใूͷجʹ w Ξϥʔτ͕ݕ͞ΕͨΒ()&ʹ*TTVFΛͨͯͯɺͦ͜ʹؔ࿈ใΛί ϝϯτͱͯ͠ه͠ूதͤ͞Δ wؔ࿈ใͷࣗಈऩू w 7JSVT5PUBMͰͷݕࡧɺ(SBZMPHͰͷؔ࿈ϩάͷݕࡧͳͲఆܗ࡞ۀͳ
ͷͰࣗಈͰ()&ʹίϝϯτͤ͞Δ w௨ϝʔϧ 4MBDL w ηΩϡϦςΟάϧʔϓͰϩʔςʔγϣϯ Ξϥʔτͷൃใ GHE PagerDuty Slack Ξϥʔτͷௐࠪ Kinesis Stream
ӡ༻ͷ༷ࢠ
1BHFS%VUZ͕ൃใ ʢϝʔϧ4MBDLʣ
Ξϥʔτ()&ͷ *TTVFͱͯ͠ىථ
7JSVT5PUBMͷ ใࣗಈͰه
(SBZMPH͔ΒϩάΛநग़ ˍ ৽ͨͳϩάࢀরͰ͖ΔΑ ͏ʹΫΤϦ63-Λίϝϯτ
ඞཁʹԠͯ͡(SBZMPH ͰΞϥʔτͷৄࡉௐࠪ ·ͨ *OEJDBUPS͕ྲྀΕ͖ͯͨ ͱ͖ʹΫΠοΫʹௐࠪ
ௐࠪɾੳ݁ՌΛ ίϝϯτͱͯ͠ ॻ͖͢͜ͱͰ ݟΛڞ༗
Thank you