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AWS IAM で MFA 有効でないユーザを awscli + Mackerel で監視する...
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do-su-0805
May 12, 2019
Programming
0
260
AWS IAM で MFA 有効でないユーザを awscli + Mackerel で監視する / Monitoring users who are not MFA enabled with AWS IAM with awscli + Mackerel
#kosen10s LT#14 で発表したネタです。AWS IAM に登録されたユーザで、多要素認証が有効でないユーザを調べて Mackerel で監視するまでです。
do-su-0805
May 12, 2019
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Transcript
AWS IAM Ͱ MFA ༗ޮͰͳ͍ϢʔβΛ awscli + Mackerel Ͱࢹ͢Δ Kosen10s
LT#14 do_su_0805
ΞδΣϯμ w 5-%3 w ߏਤ w ֤छઃఆ
5-%3 • awscli ͷ `aws iam` Λ͏ͱɺMFA ͕༗ޮͰͳ͍Ϣʔβ͕ൈ͖ग़ͤΔ ◦ ҰൃͰൈ͖ग़ͤͳ͍ͷͰɺΈ߹Θ͍ͤͯ͘
◦ ϋʔυΣΞΩʔͳϢʔβ͚ͩൈ͖ग़͢ͷ͕ͪΐͬͱେม • ͦͷΛ Mackerel ͷϝτϦοΫͱͯ͠ߘ͠ɺࢹ͢Δ ◦ ϝτϦοΫͱͯ͠ඞཁͳ͍ͳΒɺνΣοΫࢹͰಉ͜͡ͱ͕Ͱ͖Δ
ߏਤ ਤߏਤ
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.BDLFSFMʹ͍ͭͯ l.BDLFSFMʢϚΧϨϧʣɺӡ༻தͷΫϥυ͘͠ΦϯϓϨϛεͷαʔ όʹΤʔδΣϯτΛͭೖΕΔ͚ͩͰɺ؆୯ʹαʔόཧΛ࢝ΊΒΕ·͢ɻ ࢹαʔόࣗͷߏஙɾӡ༻ෆཁͰ͢ɻ͞ΒʹෛՙͷϦιʔεঢ়گͳͲͷ ΛάϥϑʹՄࢹԽ͠·͢ɻোൃੜ࣌ʹΞϥʔτ͕ه͞Εɺ༷ʑͳ πʔϧʹ௨Ͱ͖·͢ɻγεςϜӡ༻อकʹ࠷దͳࢹαʔϏεͰ͢ɻz ಛͱػೳಛz l.BDLFSFMʢϚΧϨϧʣ৽ੈͷαʔόཧɾࢹαʔϏε IUUQTNBDLFSFMJPKBGFBUVSFT
!6
ਤ.BDLFSFM IUUQTNBDLFSFMJPKB
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"84*".ʹొ͞Ε͍ͯΔԾ.'"σόΠεҰཡΛऔಘ w BXTJBNMJTUNGBEFWJDFTVTFSOBNF\VTFS^ w "84*".ʹొ͞Ε͍ͯΔɺಛఆϢʔβͷ.'"σόΠεҰཡΛऔಘ
BXTDMJΛͬͯใΛऔಘ͢Δ MJTUVTFSTͰϢʔβҰཡΛग़͢ w BXTJBNMJTUVTFSTcKR6TFST<>cTFMFDU 1BTTXPSE-BTU6TFEOVMM c6TFS/BNFScTPSU w JBNMJTUVTFSTͷ݁Ռ͔ΒɺʮύεϫʔυϩάΠϯͨ͠ϢʔβʯͷҰཡ Λऔಘ
BXTDMJΛͬͯใΛऔಘ͢Δ MJTUWJSUVBMNGBEFWJDFTͰ༗ޮͳԾ.'"σόΠεͷॴ༗ऀΛग़͢ w BXTJBNMJTUWJSUVBMNGBEFWJDFTcKR7JSUVBM.'"%FWJDFT<>cTFMFDU &OBCMF%BUFOVMM a c6TFS6TFS/BNFScTPSU w JBNMJTUWJSUVBMNGBEFWJDFTͷ݁Ռ͔ΒɺԼهͷΑ͏ʹߜΓࠐΉ
w ʮԾ.'"σόΠεҰཡ͔Βʯ w ʮ༗ޮͳσόΠεͷҰཡΛग़͠ʯ w ʮͦͷॴ༗ऀΛऔಘ͢Δʯ
BXTDMJΛͬͯใΛऔಘ͢Δ MJTUNGBEFWJDFTͰಛఆϢʔβʹ༗ޮͳ.'"σόΠε͕͋Δ͔ΛௐΔ w GPSVTFSJO ʮʯͷ݁Ռͱʮʯͷ݁ՌͷࠩϢʔβ EP BXTJBNMJTUNGBEFWJDFTVTFSOBNF\VTFS^cKR.'"%FWJDFT<>a cTFMFDU &OBCMF%BUFOVMM
c6TFS/BNFS EPOF w ʮʯͱʮʯͷ݁Ռͷࠩͱͯ͠දࣔ͞ΕͨϢʔβ͕ɺଞʹσόΠε͕ͳ͍͔ΛௐΔ w ʮʯͷ݁ՌʰԾ.'"σόΠεʱͳͷͰϋʔυΣΞΩʔೖΒͳ͍ w ͔ͱ͍ͬͯɺʮʯͰऔಘͨ͠શϢʔβΛ্هͰݕࡧ͢Δͷͳ͊ɾɾɾ w ௐͯɺݟ͔ͭͬͨΒʮʯಉ༷ʹϢʔβ໊Λऔಘ͢Δ
BXTDMJΛͬͯใΛऔಘ͢Δ औಘ݁ՌΛͱʹ·ͱΊΔ w ʮʯͷ݁ՌશϢʔβʜ" w ʮʯͷ݁ՌԾ.'"σόΠεͰ.'"͍ͯ͠ΔϢʔβʜ# w ʮʯͷ݁ՌϋʔυΣΞσόΠεͰ.'"͍ͯ͠ΔϢʔβʜ$ w
#ͱ$ͷVOJR߹ܭ.'"༗ޮͳϢʔβʜ% w "ͱ%ͷࠩ.'"͕༗ޮͰͳ͍Ϣʔβ
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l w ͜Μͳײ͡ʹεΫϦϓτ͕ग़ྗ͢Δͱ ۭനUBC w "84@*".BMMVTFST "84@*".WJSUVBMNGBVTFST "84@*".IBSEXBSFNGBVTFST "84@*".XSPOH@VTFS
.BDLFSFMͰࢹ͢Δ w ࢼ͠ʹ ϗετϝτϦοΫͱͯ͠.BDLFSFMʹߘ͢Δ w ͜͏ͳΔ ਤߘྫ
.BDLFSFMͰࢹ͢Δ w αʔϏεϝτϦοΫͱͯ͠.BDLFSFMʹߘ͢Δͱ͖ w ͖ͬ͞ͷܭࢉ݁ՌΛ"1*ܦ༝Ͱߘͨ͠Γ w BQJWTFSWJDFTTFSWJDF/BNFUTECʹ1045͢Δ w ͖ͬ͞ͷܭࢉ݁ՌΛNLSUISPXͰߘͨ͠Γ w
্ه"1*ͷXSBQQFS
.BDLFSFMͰࢹ͢Δ w νΣοΫࢹͰࢹ͢Δ߹ʢϢʔβ͍Βͳ͍ਓ͚ʣ w NBDLFSFMBHFOUDPOGʹ͜Μͳײ͡ʹॻ͍ͯ w <QMVHJODIFDLTBXTJBNNGB> DPNNBOEl ΧϯτεΫϦϓτ l
w εςʔλε ͱҰॹʹϝοηʔδ Λฦ͢εΫϦϓτΛஔ͘ w ʮ.'"༗ޮ͡Όͳ͍Ϣʔβ͕ʯͳΒ0, FYJU w ʮ.'"༗ޮ͡Όͳ͍Ϣʔβ͕͡Όͳ͍ʯͳΒͩΊ FYJU
.BDLFSFMͰࢹ͢Δ w ࢹϧʔϧͰ͢Δ߹ ϢʔβͷਪҠͳͲཉ͍͠ਓ͚ʣ w ϗετPSαʔϏεϝτϦοΫͱͯ͠ߘ͢Δ w ࢹϧʔϧΛӈͷΑ͏ʹ࡞͢Δ ਤࢹϧʔϧͷઃఆྫ