HackTheBox - October

IppSec · Beginner ·🔧 Backend Engineering ·9y ago
Skills: Defensive AI80%

Key Takeaways

Exploits October using Searchsploit, file upload, and Return to LibC to gain user reverse shell and perform ASLR bruteforce

Original Description

Twitter @ippSec Low Priv: Default Account + File Upload PrivEsc: Return to LibC + ASLR Bruteforce 00:45 - Pulling up Web Page. 01:10 - Searchsploit 02:40 - Enumerating Version (Download Versions, Hash Static Files) 08:20 - Default cred /backend -- Upload Shell 09:51 - User Reverse Shell 12:10 - Transfering file over nc 14:45 - Begin "fuzzing" Binary 16:15 - GDB Analysis 18:46 - Get a full reverse shell with tab autocomplete. 19:00 - Showing ASLR changing address 20:20 - Disable ASLR on Exploit Dev Machine 21:15 - Start of exploit development for ovrflw binary (Pattner_Create) 27:27 - Start of Return to LibC attack - Getting Addresses 37:20 - Grabbing memory locations off October Machine 41:00 - Convert script to Bruteforce ASLR
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Uploads from IppSec · IppSec · 2 of 60

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HHC2016 - Analytics
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 ▶ HackTheBox - October
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HackTheBox - Pivoting Update: Granny and Grandpa
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HackTheBox - Node
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HackTheBox - Enterprise
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HackTheBox - Sense
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 33 VulnHub - Sokar
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VulnHub - Pinkys Palace v2
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HackTheBox - Inception
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Vulnhub - Trollcave 1.2
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HackTheBox - Ariekei
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HackTheBox - Flux Capacitor
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HackTheBox - Jeeves
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HackTheBox - CrimeStoppers
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HackTheBox - Fulcrum
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HackTheBox - Bart
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 51 HackTheBox - Silo
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 53 HackTheBox - Celestial
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 56 HackTheBox - Canape
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 57 HackTheBox - Olympus
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 58 HackTheBox - Sunday
HackTheBox - Sunday
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 59 HackTheBox - Fighter
HackTheBox - Fighter
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 60 HackTheBox - Bounty
HackTheBox - Bounty
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Chapters (15)

0:45 Pulling up Web Page.
1:10 Searchsploit
2:40 Enumerating Version (Download Versions, Hash Static Files)
8:20 Default cred /backend -- Upload Shell
9:51 User Reverse Shell
12:10 Transfering file over nc
14:45 Begin "fuzzing" Binary
16:15 GDB Analysis
18:46 Get a full reverse shell with tab autocomplete.
19:00 Showing ASLR changing address
20:20 Disable ASLR on Exploit Dev Machine
21:15 Start of exploit development for ovrflw binary (Pattner_Create)
27:27 Start of Return to LibC attack - Getting Addresses
37:20 Grabbing memory locations off October Machine
41:00 Convert script to Bruteforce ASLR
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