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} fclose($fp); } } else{ print "Scanner Web by CrashFr"; print ""; print "Host :"; print "Port :"; print "Timeout :"; print "SSL ? "; print "Sous rep :"; print ""; print "
The phpinfo() function gives the hacker very important information such as the version and type of OS, HTTP, PHP and many others we will not mention in this chapter. It is therefore strongly recommended to delete all temporary files, test files, etc., to avoid making the hacker's task any easier and especially to remember that a directory or a file that is not linked from a page of the site is a hidden or inaccessible one... The Hackademy DMP -105/209- SYSDREAM
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Hack security “pro”
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Authors For their contribution to t
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Chapter IV: Web Vulnerabilities....
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INTRODUCTION TO TCP/IP NETWORKS Net
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In case of reception, each layer wi
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ARP heading: The Hackademy DMP -11/
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Version: 4 bits. The version field
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TCP header: Source Port: 16 bits. T
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TCP/UDP Port Notions: Multiplexing/
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Start the MS-DOS control interface
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CHAPTER I INFORMATION ACQUISITION T
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expires: 2005-10-28 11:28:29 create
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In the answer field you will find:
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nmap -sP 192.168.124.0/24 Starting
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C) Fingerprinting the system The nm
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It is also possible to specify seve
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SMTP : Simple Mail Transfer Protoco
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SNMP : Simple Network Management Pr
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Here is a scan report obtained with
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# nmap 3.50 scan initiated Wed May
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CHAPTER II CLIENT VULNERABILITIES T
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File viruses: These viruses attack
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Retroviruses are a bit more aggress
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However, do check in the start file
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Creating a hidden gateway : But the
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infallible. It consists in associat
Page 53 and 54: DOS commands if conditional pluggin
Page 55 and 56: Each one of these zones can be conf
Page 57 and 58: The javascript code destined to dow
Page 59 and 60: The wizard will ask you the locatio
Page 61 and 62: CHAPTER III NETWORKS VULNERABILITIE
Page 63 and 64: Here, the connection between the ro
Page 65 and 66: Using the "Follow TCP Stream" optio
Page 67 and 68: You have just created a new filter.
Page 69 and 70: This handshake takes place as follo
Page 71 and 72: Third step Illustration 3: ACK To c
Page 73 and 74: The methodology of this type of att
Page 75 and 76: The case of the UDP protocol Unlike
Page 77 and 78: nc -l -v -n -p 887 Injection of com
Page 79 and 80: Let's try to connect again from mac
Page 81 and 82: We can see that Ethereal has seen i
Page 83 and 84: Conclusion The covert channel princ
Page 85 and 86: It is the IP protocol that is going
Page 87 and 88: We will simultaneously launch the p
Page 89 and 90: 5.Connections Hijacking We are goin
Page 91 and 92: Let us now display the contents of
Page 93 and 94: B) DNS hijacking The DNS protocol i
Page 95 and 96: ssh2 protection The server's public
Page 97 and 98: B) SSL The SSL protocol functions w
Page 99 and 100: Recent viruses use the resources of
Page 101 and 102: 1.Site Mapping The first thing a ha
Page 103: Scan_web.php Scan_web.php is a PHP
Page 107 and 108: ack to an error message */ if ($ok
Page 109 and 110: System() Function The System() func
Page 111 and 112: Uploading via PHP Quite often, one
Page 113 and 114: inc.php file page1.php file By ty
Page 115 and 116: There are other functions of the sa
Page 117 and 118: i=0; j=0; while (data[i] != '=') {
Page 119 and 120: system("/usr/bin/sendmail -t test@t
Page 121 and 122: In all cases, it is also important
Page 123 and 124: It is therefore vital to understand
Page 125 and 126: The error means that the SQL reques
Page 127 and 128: } else{ } $query = "UPDATE users SE
Page 129 and 130: And here is the result: We are now
Page 131 and 132: We can see that CrashFr is now in b
Page 133 and 134: Once the client has entered his pse
Page 135 and 136: CHAPTER V APPLICATION VULNERABILITI
Page 137 and 138: 2.Buffer Overflow Buffer overflow t
Page 139 and 140: xdream@Laptop:/$ readelf -a /bin/ls
Page 141 and 142: A few assembler notions Let us see
Page 143 and 144: Let us study the representation of
Page 145 and 146: The program segfaulted when trying
Page 147 and 148: We can determine that at address 0x
Page 149 and 150: The we can look in libc6 for the ad
Page 151 and 152: We can also see in the sources a ca
Page 153 and 154: 3. String Format Presentation Strin
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So when the '%n' indicator is encou
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Using dtors. bash# objdump -s -j .d
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Security The only solution here is
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This program is “suidroot”, whi
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} } printf("Opening of file authori
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} flock(fd, LOCK_UN); //Closing of
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1.Authentication Brute force In thi
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Hybrid attack T launch a hybrid att
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LC3 offers 4 methods. 1. From the l
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B) The Unix passwd file On Unix sys
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C) Authentication service One of th
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The first thing to do is to create
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B) Backdoor kernel Backdoor kernels
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CHAPTER VII GENERIC SECURITY PROCED
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Configure snort so that it can stor
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Pmon NT Pmon is a process monitorin
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Here is a simple scenario. Let us t
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Step 2 : Encoding and signing (PGP)
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12.You can choose a separate Signat
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B) Cryptography of hard drives Wind
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The first time this operation is do
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Integrity controller on Linux There
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There are three protection levels:
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"Program control" Section The “pr
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The rules take the following values
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7.VPN What is a Virtual Private Net
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Contact 1 Villa du clos de Malevart
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Created by trainers from The Hackad
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