🖌️
Resources For Pentesting
  • Carlos PoLop Pentesting Project
  • About the author
  • Getting Started in Hacking
  • Pentesting Methodology
  • External Recon Methodology
  • Phishing Methodology
    • Clone a Website
    • Detecting Phising
    • Phishing Documents
  • Exfiltration
  • Tunneling and Port Forwarding
  • Brute Force - CheatSheet
  • Search Exploits
  • Shells
    • Shells (Linux, Windows, MSFVenom)
      • MSFVenom - CheatSheet
      • Shells - Windows
      • Shells - Linux
      • Full TTYs
  • Linux/Unix
    • Checklist - Linux Privilege Escalation
    • Linux Privilege Escalation
      • Logstash
      • AppArmor
      • Containerd (ctr) Privilege Escalation
      • Docker Breakout
      • electron/CEF/chromium debugger abuse
      • Escaping from Jails
      • Cisco - vmanage
      • D-Bus Enumeration & Command Injection Privilege Escalation
      • Interesting Groups - Linux PE
        • lxd/lxc Group - Privilege escalation
      • ld.so exploit example
      • Linux Capabilities
      • NFS no_root_squash/no_all_squash misconfiguration PE
      • Payloads to execute
      • RunC Privilege Escalation
      • Seccomp
      • Splunk LPE and Persistence
      • SSH Forward Agent exploitation
      • Socket Command Injection
      • Wildcards Spare tricks
    • Useful Linux Commands
      • Bypass Bash Restrictions
    • Linux Environment Variables
  • Windows
    • Checklist - Local Windows Privilege Escalation
    • Windows Local Privilege Escalation
      • AppendData/AddSubdirectory permission over service registry
      • Create MSI with WIX
      • DPAPI - Extracting Passwords
      • SeImpersonate from High To System
      • Access Tokens
      • ACLs - DACLs/SACLs/ACEs
      • Dll Hijacking
      • From High Integrity to SYSTEM with Name Pipes
      • Integrity Levels
      • JAWS
      • JuicyPotato
      • Leaked Handle Exploitation
      • MSI Wrapper
      • Named Pipe Client Impersonation
      • PowerUp
      • Privilege Escalation Abusing Tokens
      • Privilege Escalation with Autoruns
      • RottenPotato
      • Seatbelt
      • SeDebug + SeImpersonate copy token
      • Windows C Payloads
    • Active Directory Methodology
      • Abusing Active Directory ACLs/ACEs
      • AD information in printers
      • ASREPRoast
      • BloodHound
      • Constrained Delegation
      • Custom SSP
      • DCShadow
      • DCSync
      • DSRM Credentials
      • Golden Ticket
      • Kerberos Authentication
      • Kerberoast
      • MSSQL Trusted Links
      • Over Pass the Hash/Pass the Key
      • Pass the Ticket
      • Password Spraying
      • Force NTLM Privileged Authentication
      • Privileged Accounts and Token Privileges
      • Resource-based Constrained Delegation
      • Security Descriptors
      • Silver Ticket
      • Skeleton Key
      • Unconstrained Delegation
    • NTLM
      • Places to steal NTLM creds
      • PsExec/Winexec/ScExec
      • SmbExec/ScExec
      • WmicExec
      • AtExec / SchtasksExec
      • WinRM
    • Stealing Credentials
      • Credentials Protections
      • Mimikatz
    • Authentication, Credentials, UAC and EFS
    • Basic CMD for Pentesters
    • Basic PowerShell for Pentesters
      • PowerView
    • AV Bypass
  • Mobile Apps Pentesting
    • Android APK Checklist
    • Android Applications Pentesting
      • Android Applications Basics
      • ADB Commands
      • APK decompilers
      • AVD - Android Virtual Device
      • Burp Suite Configuration for Android
      • content:// protocol
      • Drozer Tutorial
        • Exploiting Content Providers
      • Exploiting a debuggeable applciation
      • Frida Tutorial
        • Frida Tutorial 1
        • Frida Tutorial 2
        • Frida Tutorial 3
        • Objection Tutorial
      • Google CTF 2018 - Shall We Play a Game?
      • Make APK Accept CA Certificate
      • Manual DeObfuscation
      • React Native Application
      • Reversing Native Libraries
      • Smali - Decompiling/[Modifying]/Compiling
      • Spoofing your location in Play Store
      • Webview Attacks
    • iOS Pentesting Checklist
    • iOS Pentesting
      • Basic iOS Testing Operations
      • Burp Suite Configuration for iOS
      • Extracting Entitlements From Compiled Application
      • Frida Configuration in iOS
      • iOS App Extensions
      • iOS Basics
      • iOS Custom URI Handlers / Deeplinks / Custom Schemes
      • iOS Hooking With Objection
      • iOS Protocol Handlers
      • iOS Serialisation and Encoding
      • iOS Testing Environment
      • iOS UIActivity Sharing
      • iOS Universal Links
      • iOS UIPasteboard
      • iOS WebViews
  • Pentesting
    • Pentesting Network
      • Spoofing LLMNR, NBT-NS, mDNS/DNS and WPAD and Relay Attacks
      • Spoofing SSDP and UPnP Devices with EvilSSDP
      • Wifi Attacks
        • Evil Twin EAP-TLS
      • Pentesting IPv6
      • Nmap Summary (ESP)
      • Network Protocols Explained (ESP)
      • IDS and IPS Evasion
      • DHCPv6
    • Pentesting JDWP - Java Debug Wire Protocol
    • Pentesting Printers
      • Accounting bypass
      • Buffer Overflows
      • Credentials Disclosure / Brute-Force
      • Cross-Site Printing
      • Document Processing
      • Factory Defaults
      • File system access
      • Firmware updates
      • Memory Access
      • Physical Damage
      • Software packages
      • Transmission channel
      • Print job manipulation
      • Print Job Retention
      • Scanner and Fax
    • Pentesting SAP
    • Pentesting Kubernetes
      • Enumeration from a Pod
      • Hardening Roles/ClusterRoles
      • Pentesting Kubernetes from the outside
    • 7/tcp/udp - Pentesting Echo
    • 21 - Pentesting FTP
      • FTP Bounce attack - Scan
      • FTP Bounce - Download 2ºFTP file
    • 22 - Pentesting SSH/SFTP
    • 23 - Pentesting Telnet
    • 25,465,587 - Pentesting SMTP/s
      • SMTP - Commands
    • 43 - Pentesting WHOIS
    • 53 - Pentesting DNS
    • 69/UDP TFTP/Bittorrent-tracker
    • 79 - Pentesting Finger
    • 80,443 - Pentesting Web Methodology
      • Golang
      • Uncovering CloudFlare
      • Laravel
      • Code Review Tools
      • Symphony
      • XSS to RCE Electron Desktop Apps
      • Spring Actuators
      • Artifactory Hacking guide
      • Apache
      • JSP
      • API Pentesting
      • Buckets
        • Firebase Database
        • AWS-S3
      • CGI
      • Drupal
      • Moodle
      • Flask
      • Git
      • GraphQL
      • H2 - Java SQL database
      • IIS - Internet Information Services
      • JBOSS
      • Jenkins
      • JIRA
      • Joomla
      • Nginx
      • PHP Tricks (SPA)
        • PHP - Useful Functions & disable_functions/open_basedir bypass
          • disable_functions bypass - php-fpm/FastCGI
          • disable_functions bypass - dl function
          • disable_functions bypass - PHP 7.0-7.4 (*nix only)
          • disable_functions bypass - Imagick <= 3.3.0 PHP >= 5.4 Exploit
          • disable_functions - PHP 5.x Shellshock Exploit
          • disable_functions - PHP 5.2.4 ionCube extension Exploit
          • disable_functions bypass - PHP <= 5.2.9 on windows
          • disable_functions bypass - PHP 5.2.4 and 5.2.5 PHP cURL
          • disable_functions bypass - PHP safe_mode bypass via proc_open() and custom environment Exploit
          • disable_functions bypass - PHP Perl Extension Safe_mode Bypass Exploit
          • disable_functions bypass - PHP 5.2.3 - Win32std ext Protections Bypass
          • disable_functions bypass - PHP 5.2 - FOpen Exploit
          • disable_functions bypass - via mem
          • disable_functions bypass - mod_cgi
          • disable_functions bypass - PHP 4 >= 4.2.0, PHP 5 pcntl_exec
      • Python
      • SpEL - Spring Expression Language
      • Tomcat
      • VMWare (ESX, VCenter...)
      • WebDav
      • werkzeug
      • Wordpress
    • 88tcp/udp - Pentesting Kerberos
      • Harvesting tickets from Windows
      • Harvesting tickets from Linux
    • 110,995 - Pentesting POP
    • 111/TCP/UDP - Pentesting Portmapper
    • 113 - Pentesting Ident
    • 123/udp - Pentesting NTP
    • 135, 593 - Pentesting MSRPC
    • 137,138,139 - Pentesting NetBios
    • 139,445 - Pentesting SMB
    • 143,993 - Pentesting IMAP
    • 161,162,10161,10162/udp - Pentesting SNMP
      • SNMP RCE
    • 194,6667,6660-7000 - Pentesting IRC
    • 264 - Pentesting Check Point FireWall-1
    • 389, 636, 3268, 3269 - Pentesting LDAP
    • 500/udp - Pentesting IPsec/IKE VPN
    • 502 - Pentesting Modbus
    • 512 - Pentesting Rexec
    • 513 - Pentesting Rlogin
    • 514 - Pentesting Rsh
    • 515 - Pentesting Line Printer Daemon (LPD)
    • 548 - Pentesting Apple Filing Protocol (AFP)
    • 554,8554 - Pentesting RTSP
    • 623/UDP/TCP - IPMI
    • 631 - Internet Printing Protocol(IPP)
    • 873 - Pentesting Rsync
    • 1026 - Pentesting Rusersd
    • 1080 - Pentesting Socks
    • 1098/1099 - Pentesting Java RMI
    • 1433 - Pentesting MSSQL - Microsoft SQL Server
    • 1521,1522-1529 - Pentesting Oracle TNS Listener
      • Oracle Pentesting requirements installation
      • TNS Poison
      • Remote stealth pass brute force
      • Oracle RCE & more
    • 1723 - Pentesting PPTP
    • 1883 - Pentesting MQTT (Mosquitto)
    • 2049 - Pentesting NFS Service
    • 2301,2381 - Pentesting Compaq/HP Insight Manager
    • 2375, 2376 Pentesting Docker
    • 3128 - Pentesting Squid
    • 3260 - Pentesting ISCSI
    • 3299 - Pentesting SAPRouter
    • 3306 - Pentesting Mysql
    • 3389 - Pentesting RDP
    • 3632 - Pentesting distcc
    • 3690 - Pentesting Subversion (svn server)
    • 4369 - Pentesting Erlang Port Mapper Daemon (epmd)
    • 5000 - Pentesting Docker Registry
    • 5353/UDP Multicast DNS (mDNS)
    • 5432,5433 - Pentesting Postgresql
    • 5601 - Pentesting Kibana
    • 5671,5672 - Pentesting AMQP
    • 5800,5801,5900,5901 - Pentesting VNC
    • 5984,6984 - Pentesting CouchDB
    • 5985,5986 - Pentesting WinRM
    • 6000 - Pentesting X11
    • 6379 - Pentesting Redis
    • 8009 - Pentesting Apache JServ Protocol (AJP)
    • 8089 - Splunkd
    • 9000 - Pentesting FastCGI
    • 9001 - Pentesting HSQLDB
    • 9042/9160 - Pentesting Cassandra
    • 9100 - Pentesting Raw Printing (JetDirect, AppSocket, PDL-datastream)
    • 9200 - Pentesting Elasticsearch
    • 10000 - Pentesting Network Data Management Protocol (ndmp)
    • 11211 - Pentesting Memcache
    • 15672 - Pentesting RabbitMQ Management
    • 27017,27018 - Pentesting MongoDB
    • 44818/UDP/TCP - Pentesting EthernetIP
    • 47808/udp - Pentesting BACNet
    • 50030,50060,50070,50075,50090 - Pentesting Hadoop
  • Pentesting Web
    • 2FA/OTP Bypass
    • Abusing hop-by-hop headers
    • Bypass Payment Process
    • Captcha Bypass
    • Cache Poisoning and Cache Deception
    • Clickjacking
    • Client Side Template Injection (CSTI)
    • Command Injection
    • Content Security Policy (CSP) Bypass
    • Cookies Hacking
    • CORS - Misconfigurations & Bypass
    • CRLF (%0D%0A) Injection
    • Cross-site WebSocket hijacking (CSWSH)
    • CSRF (Cross Site Request Forgery)
    • Dangling Markup - HTML scriptless injection
    • Deserialization
      • NodeJS - __proto__ & prototype Pollution
      • Java JSF ViewState (.faces) Deserialization
      • Java DNS Deserialization, GadgetProbe and Java Deserialization Scanner
      • Basic Java Deserialization (ObjectInputStream, readObject)
      • CommonsCollection1 Payload - Java Transformers to Rutime exec() and Thread Sleep
      • Basic .Net deserialization (ObjectDataProvider gadget, ExpandedWrapper, and Json.Net)
      • Exploiting __VIEWSTATE knowing the secrets
      • Exploiting __VIEWSTATE without knowing the secrets
    • Domain/Subdomain takeover
    • Email Header Injection
    • File Inclusion/Path traversal
      • phar:// deserialization
      • LFI - Linux List
    • File Upload
      • PDF Upload - XXE and CORS bypass
    • Formula Injection
    • HTTP Request Smuggling / HTTP Desync Attack
    • H2C Smuggling
    • IDOR
    • JWT Vulnerabilities (Json Web Tokens)
    • NoSQL injection
    • LDAP Injection
    • OAuth to Account takeover
    • Open Redirect
    • Parameter Pollution
    • PostMessage Vulnerabilities
    • Race Condition
    • Rate Limit Bypass
    • Regular expression Denial of Service - ReDoS
    • Reset/Forgotten Password Bypass
    • SQL Injection
      • MSSQL Injection
      • Oracle injection
      • PostgreSQL injection
        • dblink/lo_import data exfiltration
        • PL/pgSQL Password Bruteforce
        • Network - Privesc, Port Scanner and NTLM chanllenge response disclosure
        • Big Binary Files Upload (PostgreSQL)
        • RCE with PostgreSQL Extensions
      • MySQL injection
        • Mysql SSRF
      • SQLMap - Cheetsheat
        • Second Order Injection - SQLMap
    • SSRF (Server Side Request Forgery)
    • SSTI (Server Side Template Injection)
    • Reverse Tab Nabbing
    • Unicode Normalization vulnerability
    • Web Tool - WFuzz
    • XPATH injection
    • XSLT Server Side Injection (Extensible Stylesheet Languaje Transformations)
    • XXE - XEE - XML External Entity
    • XSS (Cross Site Scripting)
      • PDF Injection
      • DOM XSS
      • Server Side XSS (Dynamic PDF)
      • XSS Tools
    • XSSI (Cross-Site Script Inclusion)
    • XS-Search
  • Cloud Security
    • Cloud security review
    • AWS Security
  • Forensics
    • Basic Forensic Methodology
      • Anti-Forensic Techniques
      • Docker Forensics
      • Image Adquisition & Mount
      • Linux Forensics
      • Malware Analysis
      • Memory dump analysis
        • Volatility - CheatSheet
      • Partitions/File Systems/Carving
        • File/Data Carving & Recovery Tools
        • NTFS
      • Pcap Inspection
        • DNSCat pcap analysis
        • USB Keyboard pcap analysis
        • Wifi Pcap Analysis
        • Wireshark tricks
      • Specific Software/File-Type Tricks
        • .pyc
        • Browser Artifacts
        • Desofuscation vbs (cscript.exe)
        • Local Cloud Storage
        • Office file analysis
        • PDF File analysis
        • PNG tricks
        • Video and Audio file analysis
        • ZIPs tricks
      • Windows Artifacts
        • Interesting Windows Registry Keys
  • Physical attacks
    • Physical Attacks
    • Escaping from KIOSKs
      • Show file extensions
  • Reversing
    • Common API used in Malware
    • Reversing Tools
      • Blobrunner
    • Cryptographic/Compression Algorithms
      • Unpacking binaries
    • Word Macros
  • Exploiting
    • Linux Exploiting (Basic) (SPA)
      • Format String Template
      • ROP - Syscall execv
      • ROP - Leaking LIBC address
      • ROP-PWN template
      • Bypassing Canary & PIE
      • Ret2Lib
      • Fusion
    • Exploiting Tools
      • PwnTools
    • Windows Exploiting (Basic Guide - OSCP lvl)
  • Crypto
    • Certificates
    • Electronic Code Book (ECB)
    • Cipher Block Chaining CBC-MAC
    • Padding Oracle
    • RC4 - Encrypt&Decrypt
    • Crypto CTFs Tricks
  • BACKDOORS
    • Merlin
    • Empire
    • Salseo
    • ICMPsh
  • Stego
    • Stego Tricks
    • Esoteric languages
  • MISC
    • Basic Python
      • venv
      • Bypass Python sandboxes
      • Magic Methods
      • Web Requests
      • Bruteforce hash (few chars)
    • Other Big References
  • TODO
    • More Tools
    • MISC
    • Pentesting DNS
  • Burp Suite
  • Other Web Tricks
  • Interesting HTTP
  • Emails Vulnerabilities
  • Android Forensics
  • TR-069
  • 6881/udp - Pentesting BitTorrent
  • CTF Write-ups
    • Try Hack Me
      • hc0n Christmas CTF - 2019
      • Pickle Rick
  • 1911 - Pentesting fox
  • Online Platforms with API
  • Stealing Sensitive Information Disclosure from a Web
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  • Flask-Unsign
  1. Pentesting
  2. 80,443 - Pentesting Web Methodology

Flask

PreviousMoodleNextGit

Last updated 3 years ago

Probably if you are playing a CTF a Flask application will be related to .

Cookies

Default cookie session name is session.

Decoder

Online Flask coockies decoder:

Manual

Get the first part of the cookie until the first point and Base64 decode it>

echo "ImhlbGxvIg" | base64 -d

The cookie is also signed using a password

Flask-Unsign

Command line tool to fetch, decode, brute-force and craft session cookies of a Flask application by guessing secret keys.

pip3 install flask-unsign

Decode Cookie

flask-unsign --decode --cookie 'eyJsb2dnZWRfaW4iOmZhbHNlfQ.XDuWxQ.E2Pyb6x3w-NODuflHoGnZOEpbH8'

Brute Force

flask-unsign --unsign --cookie < cookie.txt

Signing

flask-unsign --sign --cookie "{'logged_in': True}" --secret 'CHANGEME'

Signing using legacy (old versions)

flask-unsign --sign --cookie "{'logged_in': True}" --secret 'CHANGEME' --legacy
SSTI
https://www.kirsle.net/wizards/flask-session.cgi
Logoflask-unsignPyPI