Hacking by Erickson, Jon -- Read -- Imperial Library of Trantor

Index

Hacking: The Art of Exploitation, 2nd Edition

HACKING: THE ART OF EXPLOITATION, 2ND EDITION. ACKNOWLEDGMENTS PREFACE 0x100. INTRODUCTION 0x200. PROGRAMMING

0x210. What Is Programming? 0x220. Pseudo-code 0x230. Control Structures

0x231. If-Then-Else 0x232. While/Until Loops 0x233. For Loops

0x240. More Fundamental Programming Concepts

0x241. Variables 0x242. Arithmetic Operators 0x243. Comparison Operators 0x244. Functions

0x250. Getting Your Hands Dirty

firstprog.c

0x251. The Bigger Picture 0x252. The x86 Processor 0x253. Assembly Language

ASCII Table

0x260. Back to Basics

0x261. Strings

char_array.c char_array2.c

0x262. Signed, Unsigned, Long, and Short

datatype_sizes.c

0x263. Pointers

pointer.c addressof.c addressof2.c

0x264. Format Strings

fmt_strings.c input.c

0x265. Typecasting

typecasting.c pointer_types.c pointer_types2.c pointer_types3.c pointer_types4.c pointer_types5.c

0x266. Command-Line Arguments

commandline.c convert.c convert2.c

0x267. Variable Scoping

scope.c scope2.c scope3.c static.c static2.c

0x270. Memory Segmentation

stack_example.c

0x271. Memory Segments in C

memory_segments.c

0x272. Using the Heap

heap_example.c

0x273. Error-Checked malloc()

errorchecked_heap.c

0x280. Building on Basics

0x281. File Access

simplenote.c bitwise.c fcntl_flags.c

0x282. File Permissions 0x283. User IDs

uid_demo.c hacking.h notetaker.c notesearch.c

0x284. Structs

time_example.c time_example2.c

0x285. Function Pointers

funcptr_example.c

0x286. Pseudo-random Numbers

rand_example.c

0x287. A Game of Chance

game_of_chance.c

0x300. EXPLOITATION

0x310. Generalized Exploit Techniques 0x320. Buffer Overflows

0x320. Buffer Overflows

overflow_example.c exploit_notesearch.c

0x321. Stack-Based Buffer Overflow Vulnerabilities

auth_overflow.c auth_overflow2.c

0x330. Experimenting with BASH

From exploit_notesearch.c

0x331. Using the Environment

getenv_example.c getenvaddr.c Code from libc-2.2.2 exploit_notesearch_env.c

0x340. Overflows in Other Segments

0x341. A Basic Heap-Based Overflow

Excerpt from notetaker.c

0x342. Overflowing Function Pointers

From game_of_chance.c

0x350. Format Strings

0x351. Format Parameters

fmt_uncommon.c

0x352. The Format String Vulnerability

fmt_vuln.c

0x353. Reading from Arbitrary Memory Addresses 0x354. Writing to Arbitrary Memory Addresses 0x355. Direct Parameter Access 0x356. Using Short Writes 0x357. Detours with .dtors

dtors_sample.c

0x358. Another notesearch Vulnerability 0x359. Overwriting the Global Offset Table

0x400. NETWORKING

0x410. OSI Model 0x420. Sockets

0x421. Socket Functions

From /usr/include/bits/socket.h From /usr/include/bits/socket.h

0x422. Socket Addresses

From /usr/include/bits/socket.h From /usr/include/bits/socket.h From /usr/include/netinet/in.h

0x423. Network Byte Order 0x424. Internet Address Conversion 0x425. A Simple Server Example

Added to hacking.h simple_server.c From a Remote Machine On a Local Machine

0x426. A Web Client Example

From /etc/services hacking-network.h From /usr/include/netdb.h host_lookup.c webserver_id.c

0x427. A Tinyweb Server

tinyweb.c

0x430. Peeling Back the Lower Layers

0x431. Data-Link Layer 0x432. Network Layer

From RFC 791

0x433. Transport Layer

From RFC 793

0x440. Network Sniffing

0x441. Raw Socket Sniffer

raw_tcpsniff.c

0x442. libpcap Sniffer

pcap_sniff.c

0x443. Decoding the Layers

From /usr/include/if_ether.h Added to hacking-network.h From /usr/include/netinet/ip.h From RFC 791 Added to hacking-network.h From /usr/include/netinet/tcp.h From RFC 793 Added to hacking-network.h decode_sniff.c

0x444. Active Sniffing

From nemesis-arp.c From nemesis.h From nemesis-arp.c From nemesis-proto_arp.c From the libnet Man Page From the arpspoof Man Page arpspoof.c From the libnet Man Page

0x450. Denial of Service

0x451. SYN Flooding

synflood.c

0x452. The Ping of Death 0x453. Teardrop 0x454. Ping Flooding 0x455. Amplification Attacks 0x456. Distributed DoS Flooding

0x460. TCP/IP Hijacking

0x461. RST Hijacking

rst_hijack.c

0x462. Continued Hijacking

0x470. Port Scanning

0x471. Stealth SYN Scan 0x472. FIN, X-mas, and Null Scans 0x473. Spoofing Decoys 0x474. Idle Scanning 0x475. Proactive Defense (shroud)

FIN Scan Before the Kernel Modification FIN Scan After the Kernel Modification shroud.c

0x480. Reach Out and Hack Someone

From hacking-network.h

0x481. Analysis with GDB 0x482. Almost Only Counts with Hand Grenades

tinyweb_exploit.c

0x483. Port-Binding Shellcode

New Line from tinyweb_exploit2.c

0x500. SHELLCODE

0x510. Assembly vs. C

helloworld.c Man Page for the write() System Call From /usr/include/unistd.h

0x511. Linux System Calls in Assembly

From /usr/include/asm-i386/unistd.h helloworld.asm

0x520. The Path to Shellcode

0x521. Assembly Instructions Using the Stack

helloworld1.s

0x522. Investigating with GDB 0x523. Removing Null Bytes

helloworld2.s helloworld3.s

0x530. Shell-Spawning Shellcode

exec_shell.c exec_shell.s tiny_shell.s

0x531. A Matter of Privilege

drop_privs.c priv_shell.s

0x532. And Smaller Still

shellcode.s

0x540. Port-Binding Shellcode

bind_port.c From /usr/include/linux/net.h bind_port.s

0x541. Duplicating Standard File Descriptors

New Instructions from bind_shell1.s

0x542. Branching Control Structures

bind_shell.s

0x550. Connect-Back Shellcode

connectback_shell.s From Another Terminal Window

0x600. COUNTERMEASURES

0x610. Countermeasures That Detect 0x620. System Daemons

0x621. Crash Course in Signals

signal_example.c

0x622. Tinyweb Daemon

tinywebd.c

0x630. Tools of the Trade

0x631. tinywebd Exploit Tool

xtool_tinywebd.sh

0x640. Log Files

tinywebd Log File

0x641. Blend In with the Crowd

xtool_tinywebd_stealth.sh

0x650. Overlooking the Obvious

0x651. One Step at a Time

mark.s

0x652. Putting Things Back Together Again

mark_break.s mark_restore.s

0x653. Child Laborers

loopback_shell_restore.s

0x660. Advanced Camouflage

0x661. Spoofing the Logged IP Address

Code Segment from tinywebd.c addr_struct.c xtool_tinywebd_spoof.sh

0x662. Logless Exploitation

xtool_tinywebd_silent.sh

0x670. The Whole Infrastructure

0x671. Socket Reuse

Excerpt from tinywebd.c socket_reuse_restore.s xtool_tinywebd_reuse.sh

0x680. Payload Smuggling

0x681. String Encoding

encoded_sockreuserestore_dbg.s From Another Terminal

0x682. How to Hide a Sled

0x690. Buffer Restrictions

update_info.c

0x691. Polymorphic Printable ASCII Shellcode

printable_helper.c printable.s

0x6a0. Hardening Countermeasures 0x6b0. Nonexecutable Stack

0x6b1. ret2libc 0x6b2. Returning into system()

vuln.c

0x6c0. Randomized Stack Space

aslr_demo.c

0x6c1. Investigations with BASH and GDB 0x6c2. Bouncing Off linux-gate

find_jmpesp.c

0x6c3. Applied Knowledge 0x6c4. A First Attempt

aslr_execl.c

0x6c5. Playing the Odds

aslr_execl_exploit.c

0x700. CRYPTOLOGY

0x710. Information Theory

0x711. Unconditional Security 0x712. One-Time Pads 0x713. Quantum Key Distribution 0x714. Computational Security

0x720. Algorithmic Run Time

0x721. Asymptotic Notation

0x730. Symmetric Encryption

0x731. Lov Grover's Quantum Search Algorithm

0x740. Asymmetric Encryption

0x741. RSA 0x742. Peter Shor's Quantum Factoring Algorithm

0x750. Hybrid Ciphers

0x751. Man-in-the-Middle Attacks

On Machine 192.168.42.250 (tetsuo), Connecting to 192.168.42.72 (loki) On the Attacker's Machine

0x752. Differing SSH Protocol Host Fingerprints

From 192.168.42.250 (tetsuo), Just an Innocent Machine on the Network On the Attacker's Machine, Setting Up mitm-ssh to Only Use SSH1 Protocol Now Back on 192.168.42.250 (tetsuo)

0x753. Fuzzy Fingerprints

Normal Connection MitM-Attacked Connection

0x760. Password Cracking

crypt_test.c

0x761. Dictionary Attacks

crypt_crack.c

0x762. Exhaustive Brute-Force Attacks 0x763. Hash Lookup Table 0x764. Password Probability Matrix

ppm_gen.c ppm_crack.c

0x770. Wireless 802.11b Encryption

0x771. Wired Equivalent Privacy 0x772. RC4 Stream Cipher

0x780. WEP Attacks

0x781. Offline Brute-Force Attacks 0x782. Keystream Reuse 0x783. IV-Based Decryption Dictionary Tables 0x784. IP Redirection 0x785. Fluhrer, Mantin, and Shamir Attack

fms.c

0x800. CONCLUSION

0x810. References 0x820. Sources

COLOPHON

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