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これが Cloud Native な セキュリティログ分析だ (仮)
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Masayoshi Mizutani
February 11, 2018
Technology
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これが Cloud Native な セキュリティログ分析だ (仮)
Cookpad techconf 2018のLTで講演した資料です
Masayoshi Mizutani
February 11, 2018
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Transcript
ਫ୩ਖ਼ܚ ΠϯϑϥετϥΫνϟʔ෦ ͜Ε͕ Cloud Native ͳ ηΩϡϦςΟϩάੳͩ (Ծ) Cookpad Inc
2018.2.10
ηΩϡϦςΟࢹ ͬͯ·͔͢ʁ 2
CookpadͰؤு͍ͬͯ·͕͢ 3 ηΩϡϦςΟ୲ؾʹͳΔ͜ͱ͕ͨ͘͞Μ ϥϯαϜΣΞ 42-*OKFUJPO EBZ"UUBDL 944 όϥϚΩܕϝʔϧ߈ܸ $43' %SJWFCZ%PXOMPBE߈ܸ
ඪతܕ߈ܸ ηΩϡϦςΟઃఆϛε ύεϫʔυϦετܕ߈ܸ Ϋϥυ্ͷΠϯελϯε 1BB4 ࣾһ͕ར༻͢Δ1$ ΦϑΟεωοτϫʔΫ ֎෦ͱͷϝʔϧ ۀγεςϜ "DUJWF%JSFDUPSZ ΦϯϥΠϯετϨʔδ कΒͳ͚ΕͳΒͳ͍ͨͪ ߈ܸͯ͘͠Δऀͨͪ Ϣʔβͷใ
4 SIEM ʢηΩϡϦςΟؔ࿈ͷϩάɾσʔλΛ͔͖ूΊͯੳ͢ΔϓϩμΫτʣ Security Information and Event Manager ͦ͜Ͱ Ͱ͢Α
5
SIEMΛஔ͚શ෦ղܾͩͱࢥͬͯͨʁ ೦ʂ ɾࢹରͷڥͷߏมߋʹऑ͍ ɾ ϩάૹ৴ݩͷཧ͕େมɺύʔαͱ͔࡞Δඞཁ༗ ɾࣗͷߏมߋۤख ɾ HAઃఆɺεέʔϧΞτɺϥΠηϯεܗଶɺetc ɾϧʔϧͷมߋཧςετ͕ۤख ɾ
ಠࣗUIɺϚχϡΞϧૢ࡞ 6 Ϋϥυڥؔ࿈πʔϧͱ૬ੑ͕͋·ΓΑ͘ͳ͍
7
ͦͦԿ͕͍ͨ͠ͷ͔ʁ 8 SIEMͷػೳ͔ΒৼΓฦΓ
SIEMͷػೳ (1) 9 ϩάͷऩूͱਖ਼نԽ SIEM ɾϩάΛूΊͯॲཧ͍͢͠ܗࣜʹม͢Δ ɾڞ௨͢Δϩάͷଐੑʢ࣌ࠁɺ*1ΞυϨεͳͲʣΛͦΖ͑Δ ϩά ϩά ϩά
SIEMͷػೳ (2) 10 ϩάͷੳΤϯδϯ SIEM ɾूΊͨϩά͔ΒΞϥʔτʹͳΔͷΛݟ͚ͭΔ ɾύλʔϯϚονϩάͷ্͑͛ͳͲ ϩά ϩά ϩά
SIEMͷػೳ (3) 11 ϩάͷอɾݕࡧ SIEM ϩά ϩά ɾूΊͨϩάΛదʹอ͢Δ ɾूΊͨϩά͔ΒඞཁͳใΛݕࡧͰ͖Δ ηΩϡϦςΟ୲
SIEMͷػೳ (4) 12 Ξϥʔτͷൃใ͓Αͼཧ SIEM ɾΞϥʔτ͕ൃੜͨ͠߹ɺ୲ऀʹ௨͢Δ ɾ௨ͨ͠Ξϥʔτ͕ͲͷΑ͏ʹରԠ͞Ε͔ͨه͢Δ ηΩϡϦςΟ୲
·ͱΊΔͱ 13
SIEMΛ࠶ߟ͢Δ 1. ϩάͷऩूͱਖ਼نԽ 2. ϩάͷੳΤϯδϯ 3. ϩάͷอɾݕࡧ 4. Ξϥʔτͷൃใ͓Αͼཧ 14
SIEMͷػೳ
Cloud NativeͰ ྑ͍ײ͡ʹ͍ͨ͠ 15
SIEMΛ࠶ߟ͢Δ 1. ϩάͷऩूͱਖ਼نԽ 2. ϩάͷੳΤϯδϯ 3. ϩάͷอɾݕࡧ 4. Ξϥʔτͷൃใ͓Αͼཧ 16
AWSͷαʔϏε + α Ͱସͯ͠ΈΔ → CloudWatch + Fluentd + S3 + Lambdaແ → Lambdaແ → S3 + Graylog + AWS Athenaແ → PagerDuty + GHEແ
͜͏ͳͬͨ 17 ͜Ε͕ Cloud Native ͳηΩϡϦςΟϩάੳͩ (Ծ) ϩάϑΝΠϧઃஔͷ ΠϕϯτΛݕग़ ʜ
ʜ Lambda Lambda Lambda Kinesis Stream Kinesis Stream S3 S3 S3 S3 Athena ϧʔϧΛ༻͍ͨ Ξϥʔτͷݕ Ξϥʔτͷൃใ ϩάͷม EC2 Elasticsearch Service ߴͰΠϯλϥΫςΟϒͳ ظతϩάͷݕࡧ ظؒʹΘͨΔ ϩάͷݕࡧ GHE PagerDuty Slack Ξϥʔτͷൃใɾཧ Kinesis Stream Ξϥʔτͷௐࠪ CloudWatch Logs/Event EC2 instances ͦͷଞϓϩμΫτ
AWSαʔϏεʴαͰ࡞ΔηΩϡϦςΟࢹΞʔΩςΫνϟ (1/4) ϩάϑΝΠϧઃஔͷ ΠϕϯτΛݕग़ ʜ ʜ Lambda Lambda Lambda Kinesis
Stream Kinesis Stream S3 S3 S3 S3 Athena ϧʔϧΛ༻͍ͨ Ξϥʔτͷݕ Ξϥʔτͷൃใ ϩάͷม EC2 Elasticsearch Service ߴͰΠϯλϥΫςΟϒͳ ظతϩάͷݕࡧ ظؒʹΘͨΔ ϩάͷݕࡧ GHE PagerDuty Slack Ξϥʔτͷൃใɾཧ Kinesis Stream Ξϥʔτͷௐࠪ CloudWatch Logs/Event EC2 instances ͦͷଞϓϩμΫτ ϩάͷऩूͱਖ਼نԽ 18 w ͱʹ͔͘ϩά·ͣ4ʹ͛ࠐΉ w ॲཧͷલஈͰ·ͣอଘ͢Δ͜ͱͰϩά ଛࣦͷࣄނΛ͙ w ϑϧϚωʔδυ͔ͭεέʔϥϒϧͳ4 Λ͏͜ͱͰӡ༻ෛՙΛԼ͛Δ w ϩάͷਖ਼نԽ-BNCEBΛͬͯίʔ υཧˍςετΛॻ͍ͯ$*
AWSαʔϏεʴαͰ࡞ΔηΩϡϦςΟࢹΞʔΩςΫνϟ (2/4) ϩάϑΝΠϧઃஔͷ ΠϕϯτΛݕग़ ʜ Lambda Lambda Lambda Kinesis Stream
Kinesis Stream S3 S3 S3 S3 Athena ϧʔϧΛ༻͍ͨ Ξϥʔτͷݕ Ξϥʔτͷൃใ ϩάͷม EC2 Elasticsearch Service ߴͰΠϯλϥΫςΟϒͳ ظతϩάͷݕࡧ ظؒʹΘͨΔ ϩάͷݕࡧ GHE PagerDuty Slack Ξϥʔτͷൃใɾཧ Kinesis Stream Ξϥʔτͷௐࠪ CloudWatch Logs/Event EC2 instances ͦͷଞϓϩμΫτ ϩάͷੳΤϯδϯ 19 w 4ʹϑΝΠϧ͕อଘ͞ΕͨΠϕϯτΛ͏͚ ͱͬͨ-BNCEB'VODUJPO͕ϩάΛಡΈ ग़ͯ͠ੳ w ੳΤϯδϯΛૄ݁߹ʹઃܭ͢Δ͜ͱͰɺ ༰қʹεέʔϧΞτ w ݕΤϯδϯͷBUUBDIEFUBDIࣗ༝ࣗࡏ w ͪΖΜϧʔϧίʔυཧˍςετ
AWSαʔϏεʴαͰ࡞ΔηΩϡϦςΟࢹΞʔΩςΫνϟ (3/4) ϩάϑΝΠϧઃஔͷ ΠϕϯτΛݕग़ ʜ Lambda Lambda Lambda Kinesis Stream
Kinesis Stream S3 S3 S3 S3 Athena ϧʔϧΛ༻͍ͨ Ξϥʔτͷݕ Ξϥʔτͷൃใ ϩάͷม EC2 Elasticsearch Service ߴͰΠϯλϥΫςΟϒͳ ظతϩάͷݕࡧ ظؒʹΘͨΔ ϩάͷݕࡧ GHE PagerDuty Slack Ξϥʔτͷൃใɾཧ Kinesis Stream Ξϥʔτͷௐࠪ CloudWatch Logs/Event EC2 instances ͦͷଞϓϩμΫτ ϩάͷอɾݕࡧ 20 w ࠷ॳʹΞϥʔτ͕ൃใ͞Εͨࡍ ͷॳಈࠪ(SBZMPHͰࣗ༝ ʹݕࡧඞཁͳϩάͷநग़ w Ξϥʔτ͕ظؒʹ͍ͬͯΔ ͜ͱ͕Θ͔ͬͨ߹ɺ"UIFOB ΛͬͯେྔͷϩάΛݕࡧͯ͠ աڈʹḪͬͨਝͳௐ͕ࠪՄೳ
AWSαʔϏεʴαͰ࡞ΔηΩϡϦςΟࢹΞʔΩςΫνϟ (4/4) ϩάϑΝΠϧઃஔͷ ΠϕϯτΛݕग़ ʜ Lambda Lambda Lambda Kinesis Stream
Kinesis Stream S3 S3 S3 S3 Athena ϧʔϧΛ༻͍ͨ Ξϥʔτͷݕ Ξϥʔτͷൃใ ϩάͷม EC2 Elasticsearch Service ߴͰΠϯλϥΫςΟϒͳ ظతϩάͷݕࡧ ظؒʹΘͨΔ ϩάͷݕࡧ GHE PagerDuty Slack Ξϥʔτͷൃใɾཧ Kinesis Stream Ξϥʔτͷௐࠪ CloudWatch Logs/Event EC2 instances ͦͷଞϓϩμΫτ 21 Ξϥʔτͷൃใ͓Αͼཧ w ΦϖϨʔλͷ௨1BHFS%VUZ 4MBDLΛར༻ w ൃใͱಉ࣌ʹ(JUIVC&OUFSQSJTFʹJTTVFΛν έοτͱͯ͠࡞͠ɺΞϥʔτͷௐࠪʹؔ͢ΔใΛ ूதཧ w ͞Βʹࣗಈతʹ-BNCEB͕Ξϥʔτͷؔ࿈ใΛ֎ ෦αΠτ͔Βݕࡧ͠νέοτʹ͓·ͱΊ͢Δ
ʢ࠶ܝʣ 22 ͜Ε͕ Cloud Native ͳηΩϡϦςΟϩάੳͩ (Ծ) ϩάϑΝΠϧઃஔͷ ΠϕϯτΛݕग़ ʜ
ʜ Lambda Lambda Lambda Kinesis Stream Kinesis Stream S3 S3 S3 S3 Athena ϧʔϧΛ༻͍ͨ Ξϥʔτͷݕ Ξϥʔτͷൃใ ϩάͷม EC2 Elasticsearch Service ߴͰΠϯλϥΫςΟϒͳ ظతϩάͷݕࡧ ظؒʹΘͨΔ ϩάͷݕࡧ GHE PagerDuty Slack Ξϥʔτͷൃใɾཧ Kinesis Stream Ξϥʔτͷௐࠪ CloudWatch Logs/Event EC2 instances ͦͷଞϓϩμΫτ
23 ࣮ࡍͷΦϖϨʔγϣϯͷ༷ࢠ
Cloud Nativeʹ ηΩϡϦςΟࢹΛߏங͢ΔϝϦοτ 24 (1) ϚωʔδυαʔϏεͷར༻ʹΑΓӡ༻ͷফΛ͛Δ (2) طଘαʔϏεͷ͍͍ͱ͜औΓ͕Ͱ͖Δ (3) ίʔυมߋཧˍςετʴCIͱ૬ੑ͕ྑ͍
Thank you 25