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佐川急便のフィッシングサイトを調べてみた / Analysis of sagawa fishi...
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Tomoyuki KOYAMA
August 14, 2018
Technology
1
170
佐川急便のフィッシングサイトを調べてみた / Analysis of sagawa fishing site
LT会でやった内容のスライドを公開し忘れてたので載せておきます
Tomoyuki KOYAMA
August 14, 2018
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Transcript
ࠤٸศϑΟογϯά αΠτΛௐͯΈͨ 2018/08/14 ηΩϡϦςΟΩϟϯϓ શࠃେձ 2018 Tomoyuki KOYAMA
ࣗݾհ • ͜· ͱΏ͖ • ౦ژՊେ 2 • શࠃେձ 2017मྃ
• NOCνϡʔλʔ • PyCon JP ελοϑ Twitter: @tmyk_kym Blog: blog.koyama.me
͖͔͚ͬ TBHBXBNNDPN
sagawa-mm.com
औಘ/ൺֱ $ curl -s http://www.sagawa-exp.co.jp/ > white # ਖ਼نαΠτ $
curl -s http://sagawa-mm.com/ > black # ِαΠτ $ vim -d white black # ൺֱ
$ vim -d black white
ൺֱ:ِαΠτʹͷΈଘࡏ <body onclick=" document.getElementById('downloadapk').click();"> <a href="sagawa.apk" id="downloadapk" css="display:none;" download="sagawa.apk"></a> ʙলུʙ
<dd class=“input"><center> <a href="sagawa.apk"> <div class="toiawaseNo jq-placeholder"> <font><b>Πϯετʔϧ</b> </div> </a> <p class="note"></p> </dd>
υϝΠϯͷௐࠪ
υϝΠϯॴ༗ऀΛௐࠪ(ൈਮ) $ whois sagawa-mm.com ߋ৽࣌: 2018-07-18T11:24:40.0Z ొ: 2018-07-18T11:24:40.0Z ొۀऀ: Chengdu
west dimension digital technology Co., LTD ొऀ໊: mengmeng li // தࠃͷঁ༏: Meng Li ొ৫: li meng meng ొॅॴ1: Tan Cheng Zhen Deng Qiao She Q ొॅॴ2: Meng Cheng Xian ొ༣ศ൪߸: 010000 ొࠃ: cn ొి൪߸: +86.13614466925 // தࠃ ٢ྛল നࢢ ొFax: +86.13614466925 ొϝʔϧ:
[email protected]
ॴ༗ऀΛௐࠪ • RISKIQ, DomainBigData, DomainWatchͰௐࠪ
102 Domains whoisใʹ
[email protected]
ؚ͕·ΕΔsagawaܥυϝΠϯ
υϝΠϯͷҰ෦ • sagawa-anu\.com // sagawa-??? • sagawa-expr\.com // expressͷදه •
saggawa-exp\.com // ΞϧϑΝϕοτॏͶ • sagawa-co-jp\.com // .Λ-Ͱදݱ • sagawajp\.com // ҧײ͕ͳ͍
APKϑΝΠϧͷௐࠪ ಈతղੳ
ݕূڥ/ݕମ • Nexus 7 2013 Wi-Fi • Android 6.0.1 •
sagawa.apk • sagawa-mm\.comΑΓऔಘ • SHA-256: 580a027109ac70b32e4423623dfff5b4c6d52220a 905125332c0af0e231e0387 ˞҆શͳڥͰ ݕূ͍ͯͩ͘͠͞ɻ ݕূ࣌ʹωοτϫʔΫ ͷִͳͲेʹҙ͠ ͍ͯͩ͘͞ɻ
APKϑΝΠϧ - ಈతղੳ(1)
APKϑΝΠϧ - ಈతղੳ(2) όοΫάϥϯυ ͰଓΛzҡ࣋z Ṗͷന͍ΞϓϦ͕ ৗற ࠤٸศ͕ফ͑ͨ
APKϑΝΠϧ - ಈతղੳ(3) Կදࣔ͞Εͣ αʔϏεEH.BJO4FSWJDFΛ ͭྨࣅ"1,ϑΝΠϧΛൃݟ 4)" BDGBEG CDCEGDEBEEGF GCECGF
APKϑΝΠϧ - ಈతղੳ(4) • tPacketCaptureͰύέοτΩϟϓνϟ ΓऔΓ͕ແ͍
APKϑΝΠϧͷௐࠪ ੩తղੳ
APKΛղੳ(1) 1. apktoolΛΠϯετʔϧ 2. apk͔ΒresσΟϨΫτϦΛऔΓग़͢ $ apktool d sagawa.apk
APKΛղੳ(2) 1. ϑΝΠϧ classes.dex ΛऔΓग़͢ $ unzip sagawa.apk 2. dex2jar
ΛΠϯετʔϧ 3. dexϑΝΠϧ͔ΒjarϑΝΠϧΛੜ $ bash d2j-dex2jar.sh ../unziped/classes.dex
APKΛղੳ(3) 1. jarϑΝΠϧΛల։ $ unzip classes-dex2jar.jar 2. JavaDecompiler ΛΠϯετʔϧ 3.
JavaDecompiler Ͱ1ͷιʔεΛ։͘
σίϯύΠϥͰιʔεΛಡΉ
ϑΝΠϧҰཡ • gfer/DhsActivity$1.java • gfer/DhsActivity.java // ΤϯτϦϙΠϯτ • tog/essMyApplication$1.java •
tog/essMyApplication$a.java • tog/vtdMyWebActivity.java • tog/essMyApplication.java • gig/dgMainService.java • a.java • goda/eeftMyReceiver.java
None
Ճ
ଞͷυϝΠϯ • ϝʔϧΞυϨε:
[email protected]