[INSHack2019]Passthru

最新推荐文章于 2025-04-26 22:15:50 发布

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最新推荐文章于 2025-04-26 22:15:50 发布 · 2.5w 阅读

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CC 4.0 BY-SA版权

文章标签：

#CTF #python

本文记录了一次TLS流量包分析的过程，利用sslkey.log中的客户端随机数(CLIENT_RANDOM)来解密流量，并通过tshark命令筛选GET请求中包含特定逆序关键字的流量，成功提取出加密数据，最终获得FLAG。

题目链接

解题过程

总结

题目链接

https://buuoj.cn/challenges#[INSHack2019]Passthru

解题过程

题目是个流量包，还有sslkey.log。

打开log文件


CLIENT_RANDOM 3bd5338c73b8417afa1ac739d7de7802d09f5e007bd4652e171e113835ae8da8 6dc6faa3b1855778c9a8552686180d38ab022da7db1cc46f9945fcc3963d270bf1dc0bdb5ea9a831d5d6d6182edcf21e
CLIENT_RANDOM 4ef1e57a26286568a7d2e59e8b18e68f5e6e7f124048592a5f751a34d6c0541c f4559d6bdab01a00e33971f80c05c783649044aa7612682af5fca2700b029b98ec5935e77122740ed9c22a906491f2a9
CLIENT_RANDOM 32f33ce03898eb6daabc1909c2c902f23a64f15fb2690e94d0f913af1198e783 a9ed148121ff0254792df1d3b33924995420e1acda5cd509b829a172877cab12a35fa66c10bb8e4efb64638b7b553d91
CLIENT_RANDOM 8cebdc61e974b0c886f8a73fdfe6a3b21c2cd2192ebae9dff95f42a7c0ec86ee aa19f238f5b340f4d372c9f098c5f100a19c403da0c78b1bd5af073cd8a7c22f65dcc8b8fad74157c4366f108f7235fb
CLIENT_RANDOM 91918193a5f9638b64fb0985ab01b7bd78cb9366ead7a2ebc5b55da42f8fd373 489183f2b83a8f600b17d65749edcb6986d983f91ce7d4c42ae5c1b2a1e34d5d71b89b523d9f2121933c66e9499d6e95
CLIENT_RANDOM e9524b1d05bb4e1cf66579e638ab8fc5cac541d52cb8b8e1602f8ce8d71c830d e83835212fc3f292dea65b6f76dfc2a81e2aad7975eb1b8b228ae6bfb5bad9ced7404527fe8bc92a2bcfa7fd4ed9509e
CLIENT_RANDOM 4797d69bcf06f157208763da15bf0f981cb2eee8d4e6c357c381b739a0558aac 69f0e3bc900671aaf6bbfb772c94fdfd5686c27344c1e53a2bc3f60f5327c782ebae86818a44334750b7077ee6555ebd
CLIENT_RANDOM 54c78a28f6dbdf6cbe0fff2c22cabecbcd0c150850bfc5717b2d077d087c49da 572d773ee8584f168ccf53ae6fa93d6706331b4bbf616829f9f7678cadb9db0af2fa45a772024f98e016213193909ba8
CLIENT_RANDOM d35207517c7db0b73eed745f7247a30b1ffe7fe92459bf31f068d55bb79d7318 d89f9452e3194b2c7effedbc98cab926eaff24c668e50e28f123a220196272a2c6dd9b5e60bbd31e920a36fc73046182
CLIENT_RANDOM 3797c1856dc5c1aba2cb0f751a7e5ed6585da93e34821ab22bb02f6b4f8d339c 1934854e4e76acf8945974cbf7747ef58a87158b8feacf44005dba99621eec8cd2e852ab706a01d0ffa2de5a12f4a715
CLIENT_RANDOM 3264d7325724b46d01f7853a53ceb0b530776cd584a3f3e5a75b01815fd1d560 c6812efbe8328c68cd9dfa118a45ffe16c39d76e30c0c31771b5e103c571cfd4e6a0c98fde22659afbff8c052bd61991
CLIENT_RANDOM 1a117404e4efb513a3475f23bfac3ab50316c3c3ea66f285db127c233d1a249e 3de859eb9b18801be5c92513d28af8d10f7ccf57761598d120f7ecc8e07129a225cbbbce00c54e40e06f854122fdea72
CLIENT_RANDOM edf6d0e16ed21ad82228b9a5b51442de146dc314381185ccbc0dd63332edf1e6 94847519244e710116c694f2222bdd75d7f3cbe89359a1bb8ba89fa22bb2bb159669359c3baf0cdc5026c15a7662554f
CLIENT_RANDOM 91724e8527b8780f2600cc99b4371592474970dc8ec79501e924d4b0fae26d1c 224fa1f990455ce4b7a64f7e11332c3908c8fd69b67eda772b0a4d3fcc7fcd46715b40bd7d5ec1fa5c306aea87cf476d
CLIENT_RANDOM 6d7df8d3ad113475b47ca6fa17ab57a2050b92e2437c99dce5019e225cd1d141 9870efa53c89eaee077e1e9313f988f94c225ea22d45d06ef4a11a51c8f12eb7c22a5422f57f809afa96dac2d5e2243d
CLIENT_RANDOM ed694d50b2f2505bcf02f285c90a751fdfb1de1e7cfefeded60fe598f09b9a54 0618661d68b09ba66e5639804d374114e33914dbd303a4554cbd07eb964d24f9de5801a26aec0a09736c9d66620e80f1
CLIENT_RANDOM 9aa47fd5baaa8d7fb1912247d87251ee7d995971ab94f90c7f754b6ab1c18c4c c4772850fd5999af541e2ea515ed0e1361cd8217c521060b48d1de8cb94bcea3fbb004ab5418d98e54afd8c686ea9cae
CLIENT_RANDOM bec9ca08adbedb52710a8bb163137d6da809cab2e527e8d41b72c7c95ecb753b 6ad03cfb0eee89a49278a4aa6fc3b8a639f81973b72cf2f7708db8dc16d27e11fe11eb9efd8e2eddc88af2947ae73bca
CLIENT_RANDOM 6649c52167b82d4dc5ff7ba8b25c64c230b2289a9491874a79c77425754d5df9 3524ba9c409e5d519b1558d320c0667b373afce42137636035b3af8f0f0108d6b9cea2bc34a712f71863fe97c4546cfd
CLIENT_RANDOM 374db371b4e7787aec541c67d8195c263d45662a03d8c0ff76bc9057cb71b96c 36d4af87071212ff7e0fc956efc46af935ba67db80f3061966b554dfadedb09e1641d6266fd9755e7e5b8772a9cf95cd
CLIENT_RANDOM 9ee5aa945e0ed4bdc9652b2149a7fe196ed6f031ee94b721e18469e5109d0635 fbc41317521ff1677a96b6b9f579c76e38f0a6c5e478be546ee1be90eb88acee480791e01b8611ed51de16affb0edc87
CLIENT_RANDOM e76ef45b18fb02d66f2fb1be9058fc2a20e9295d20775ee7b575d2f9459bbd4d d7ce4be512386a3101e43b52cba97bc4305f6e219fac6d3c0895039e218d48b70f02f2f49200438abe436b968842e158
CLIENT_RANDOM 7d80a4b509379c3119a7c98a9fee06824cb34bcef0875188c17224633532d4d8 3652daeca390bf8f39320407c6f69853085c11b8717bc7ae4b7e0ff56ba518ca4f9162d144c82ba334f872c36df1f17b
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CLIENT_RANDOM 2b07f75751d6c1dc27228f3d72cbfe322ad80d9cb18bcfe6684ac0bdf0f49ed9 106ce9d629b72cb81fb87e2ded0a2d365afd3948e960c1028c659f611777a8f7b83acbcc8a51e13288b0bb63ca76a7d2
CLIENT_RANDOM 88e2487e800aa250ed706d6531336a4216637d7a3e8a9dbaee7da40b9690f5b5 18185f8a4801bf10c5cda2884b7d1319b3156130e479adcdae15026d15337091c86a966ad2fbf8ad3a05d9f1d389701b
CLIENT_RANDOM 234137b271f8b5d19f1e55975ef39e1542495231a31ab3f3552f4529eb334962 0a13a2c04f80d2433d28548492e1b9dd974e8e6c5dfc597385a73e25c360c915f7dbe66950079393375175a6f4504c23
CLIENT_RANDOM cbaecda7bfd037bdb7c9d23af589c409ac864193e5871b04c9b70ebe594c6c36 f76d9983651a10cfb10be1ea6757084a30fc55e066e4e4aaf4cf2c1e7c1ea1852891c63831dad7ef2e2c68d42ff8992d
CLIENT_RANDOM 758dea61500d0e490a33365f976fd71f66e18af991eb8bb24b137ebe2cf18036 55b7881b6554fd5eed3c7e41f7002f8b0a23dfeaa135dfc1e551a91bb673248b2f76b2f081a0dd0ab4bc6d550b7dea58
CLIENT_RANDOM 5ba6e9894e7fa989358674d7f558743a17f47235ad385f8952b3fe71564bfb00 5ae45a67c3bb1e2c817d376225774a3c2710d632100e2ebda560bc2967ea9f5130b4c6807c1b88218577f9dd8625adfc
CLIENT_RANDOM 00afae978b6b0149ffbd0b73d84755b176a9a154b1d62292a62849bbbadb9a9c 18acaa8378f66d75c8f5228bdf0d4fce930a4568dcf625767a946ea51c47c4719c761a05c0b4ae6ffc497c197e4fca3d
CLIENT_RANDOM 53c37bbd6f63143b363142cbff333c3239c42a80b17443316a73460998ab7b9b 02500866245c499a2015baea6d5e6e4c0dac7856d8111dd4a27dd44d1a60fcd17adf7aa825ee778eabd8840f1a8d11e6
CLIENT_RANDOM 1ad420af5592dfd9b131a99edd439ee18261066009111a97361d2316cfcd90d7 d03a7f12657dab637b1b2b7c2be69a9c80e86f5dc4901d59eb3848f94f04f8c317eef22e2e6a4dd98bfbc0db793c2815
CLIENT_RANDOM 6874ecf06b2deec664cbaf0760d41147efd2248be8045b43f7b55ae762da7931 d2628c5ba9ff169668d9bdb32003660bed6d8601cd931a068f881a861c49d147809c83860ea59fe7e2169e9350cb2ade
CLIENT_RANDOM f3a167930cced7c33f893da4d0e2f816a6874a992c50bbc35c6adc784c855fcb c26f1c8f235fc12b06c903cc87bc9ccedaf110f71c72c2c0dcc1ffef96ac7dd926ede4744c128f1a35c73acf24e56b2d
CLIENT_RANDOM 654e05eb4b61c669127c1018146b3f0628f35eb19f86f72eb011e7ae79d8eecf 341bf5dffecd17cb181a53b985d93ac6893a4a9b1cafd61ad8c61a3f3cfd752fc317640fb690665a42cc056a264062bd
CLIENT_RANDOM 7135710f9897d311c2fe0c23a27ed73dda3634903fe14866c2e6e810fe479cb4 e59c36fc8a0900e713f6c8822c88ba67e1f596618dac27cc821eba45466432780d48b5ceff6b937231349e1a781f34f6
CLIENT_RANDOM 249845f4ed3a2b3973c3f85021e9f6e0c645b6e5929e6a6feabe9f5563aeee6e b47f4a789b0cfe430c4b3f77c656477df2f69beaff59e81d823d70071ffbd091410be982aab4c39814d33e764e95b42d
CLIENT_RANDOM 4dddd36cbaf7a50da3bb4d0277c513870da27c9422b8772b05037c86c005f648 b4194cc1a805306a506b93809229e8f2c4c731350317ae8dd6ad3ed03a37648d8f22d7211a879dda3977a5c3d58fa939
CLIENT_RANDOM cfdd38e9d08637bafa7483563bb8648f10f294b38c772e719f2ac50b501c9f77 3341b4f0830a21d0616e7e8e394cbb1282685b37e2a9f2bc1202bbbe244d0ae38d7541c234b58ac952029c9c1a7783ac
CLIENT_RANDOM eb0914aa69c7ae21255183fb1854c977be903328a2eb5b21efa4ee2e159611a1 7b751ad029022818ba4e97c03a262a25eeab3f11e9163f84d5e36640a0d8e956833aebe2c22f3929b5116ed9008b9013
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CLIENT_RANDOM 11f104944e434adc21d1138b4b25c826a1eae04c52817ae69a362eab7008be38 84bc8d79bf79acdfe500ce42aebcb89916d40a988ced996eea99c24b5df15bfda36e79748bfc5259bcc8adcea3e901df
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