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notatki:security_ips_snort [2025/06/02 13:33] – administratornotatki:security_ips_snort [2025/06/02 14:17] (aktualna) – administrator
Linia 27: Linia 27:
 {{.:pasted:20250602-133312.png}} {{.:pasted:20250602-133312.png}}
  
 +===== 7. Dodanie innych reguł =====
  
 +reguły dodane w custom.rules:\\
 +<code>
 +# BLOCK ICMP PING (Echo Request)
 +drop icmp any any -> any any (msg:"BLOCKED: ICMP Ping Detected"; itype:8; sid:1000001; rev:1;)
 +
 +# BLOCK NMAP Stealth Scan (SYN)
 +drop tcp any any -> any any (flags:S; msg:"BLOCKED: Nmap Stealth SYN Scan"; sid:1000002; rev:1;)
 +
 +# BLOCK Null Scan
 +drop tcp any any -> any any (flags:0; msg:"BLOCKED: Null Scan Detected"; sid:1000003; rev:1;)
 +
 +# BLOCK Xmas Scan
 +drop tcp any any -> any any (flags:FPU; msg:"BLOCKED: Xmas Scan Detected"; sid:1000004; rev:1;)
 +
 +# BLOCK Shellcode-like Payloads
 +drop tcp any any -> any any (content:"|90 90 90|"; msg:"BLOCKED: NOP Sled (Shellcode) Detected"; sid:1000005; rev:1;)
 +
 +# BLOCK FTP Login Attempt
 +drop tcp any any -> any 21 (msg:"BLOCKED: FTP Connection Attempt"; flags:S; sid:1000006; rev:1;)
 +
 +# BLOCK Netcat Backdoor Attempt
 +drop tcp any any -> any 31337 (msg:"BLOCKED: Netcat Backdoor Connection Attempt"; sid:1000007; rev:1;)
 +
 +# BLOCK HTTP Directory Traversal
 +drop tcp any any -> any 80 (msg:"BLOCKED: HTTP Directory Traversal"; content:"../"; http_uri; sid:1000008; rev:1;)
 +
 +# BLOCK Suspicious User-Agent (e.g., sqlmap)
 +drop tcp any any -> any 80 (msg:"BLOCKED: Suspicious User-Agent - sqlmap"; content:"User-Agent|3A| sqlmap"; http_header; sid:1000009; rev:1;)
 +
 +# BLOCK IRC Bot Connection Attempt
 +drop tcp any any -> any 6667 (msg:"BLOCKED: IRC Bot Connection Attempt"; sid:1000010; rev:1;)
 +</code>
 +
 +===== 8. Przetestowanie za pomocą kali linux =====
 +
 +Historia poleceń kali:\\
 +<code>
 +  104  ftp 172.16.32.1
 +  105  ping 172.16.32.1
 +  106  curl -A "Nikto" http://172.16.32.1/\n
 +  107  nmap -sS -p 80 172.16.32.1\n
 +  108  nmap -sN -p 80 172.16.32.1\n
 +  109  nmap -sX -p 80 172.16.32.1\n
 +  110  printf '\x90\x90\x90\x90\x90\x90' | nc 172.16.32.1 80\n
 +  111  telnet 172.16.32.1 21\n
 +  112  nc 172.16.32.1 31337\n
 +  113  curl http://172.16.32.1/../../../etc/passwd\n
 +  114  telnet 172.16.32.1 6667\n
 +  115  (echo "NICK bot123"; echo "USER bot123 0 * :bot") | nc 172.16.32.1 6667\n
 +  116  history | tail
 +</code>
 +
 +Logi z snorta:\\
 +<code>
 +06/02/25-14:12:46.917675 ,1,1000002,1,"BLOCKED: Nmap Stealth SYN Scan",TCP,172.16.32.254,59316,172.16.32.1,80,28762,,0,alert,Allow
 +06/02/25-14:12:56.162596 ,1,1000003,1,"BLOCKED: Null Scan Detected",TCP,172.16.32.254,57001,172.16.32.1,80,20142,,0,alert,Allow
 +06/02/25-14:12:56.262709 ,1,1000003,1,"BLOCKED: Null Scan Detected",TCP,172.16.32.254,57003,172.16.32.1,80,53859,,0,alert,Allow
 +06/02/25-14:13:02.802919 ,1,1000004,1,"BLOCKED: Xmas Scan Detected",TCP,172.16.32.254,55633,172.16.32.1,80,941,,0,alert,Allow
 +06/02/25-14:13:02.902978 ,1,1000004,1,"BLOCKED: Xmas Scan Detected",TCP,172.16.32.254,55635,172.16.32.1,80,14216,,0,alert,Allow
 +06/02/25-14:13:13.470221 ,1,1000002,1,"BLOCKED: Nmap Stealth SYN Scan",TCP,172.16.32.254,50274,172.16.32.1,80,33290,,0,alert,Allow
 +06/02/25-14:13:13.470506 ,1,1000005,1,"BLOCKED: NOP Sled (Shellcode) Detected",TCP,172.16.32.254,50274,172.16.32.1,80,33292,,0,alert,Allow
 +06/02/25-14:13:24.157371 ,1,1000006,1,"BLOCKED: FTP Connection Attempt",TCP,172.16.32.254,36064,172.16.32.1,21,21358,,0,alert,Allow
 +06/02/25-14:13:24.157371 ,1,1000002,1,"BLOCKED: Nmap Stealth SYN Scan",TCP,172.16.32.254,36064,172.16.32.1,21,21358,,0,alert,Allow
 +06/02/25-14:13:25.159722 ,1,1000006,1,"BLOCKED: FTP Connection Attempt",TCP,172.16.32.254,36064,172.16.32.1,21,21359,,0,alert,Allow
 +06/02/25-14:13:25.159722 ,1,1000002,1,"BLOCKED: Nmap Stealth SYN Scan",TCP,172.16.32.254,36064,172.16.32.1,21,21359,,0,alert,Allow
 +06/02/25-14:13:26.183775 ,1,1000006,1,"BLOCKED: FTP Connection Attempt",TCP,172.16.32.254,36064,172.16.32.1,21,21360,,0,alert,Allow
 +06/02/25-14:13:26.183775 ,1,1000002,1,"BLOCKED: Nmap Stealth SYN Scan",TCP,172.16.32.254,36064,172.16.32.1,21,21360,,0,alert,Allow
 +06/02/25-14:13:27.207614 ,1,1000006,1,"BLOCKED: FTP Connection Attempt",TCP,172.16.32.254,36064,172.16.32.1,21,21361,,0,alert,Allow
 +06/02/25-14:13:27.207614 ,1,1000002,1,"BLOCKED: Nmap Stealth SYN Scan",TCP,172.16.32.254,36064,172.16.32.1,21,21361,,0,alert,Allow
 +06/02/25-14:13:28.231515 ,1,1000006,1,"BLOCKED: FTP Connection Attempt",TCP,172.16.32.254,36064,172.16.32.1,21,21362,,0,alert,Allow
 +06/02/25-14:13:28.231515 ,1,1000002,1,"BLOCKED: Nmap Stealth SYN Scan",TCP,172.16.32.254,36064,172.16.32.1,21,21362,,0,alert,Allow
 +06/02/25-14:13:29.255534 ,1,1000006,1,"BLOCKED: FTP Connection Attempt",TCP,172.16.32.254,36064,172.16.32.1,21,21363,,0,alert,Allow
 +06/02/25-14:13:29.255534 ,1,1000002,1,"BLOCKED: Nmap Stealth SYN Scan",TCP,172.16.32.254,36064,172.16.32.1,21,21363,,0,alert,Allow
 +06/02/25-14:13:31.271781 ,1,1000006,1,"BLOCKED: FTP Connection Attempt",TCP,172.16.32.254,36064,172.16.32.1,21,21364,,0,alert,Allow
 +06/02/25-14:13:31.271781 ,1,1000002,1,"BLOCKED: Nmap Stealth SYN Scan",TCP,172.16.32.254,36064,172.16.32.1,21,21364,,0,alert,Allow
 +06/02/25-14:13:39.211300 ,1,1000007,1,"BLOCKED: Netcat Backdoor Connection Attempt",TCP,172.16.32.254,60662,172.16.32.1,31337,10892,,0,alert,Allow
 +06/02/25-14:13:39.211300 ,1,1000002,1,"BLOCKED: Nmap Stealth SYN Scan",TCP,172.16.32.254,60662,172.16.32.1,31337,10892,,0,alert,Allow
 +06/02/25-14:13:40.232112 ,1,1000007,1,"BLOCKED: Netcat Backdoor Connection Attempt",TCP,172.16.32.254,60662,172.16.32.1,31337,10893,,0,alert,Allow
 +06/02/25-14:13:40.232112 ,1,1000002,1,"BLOCKED: Nmap Stealth SYN Scan",TCP,172.16.32.254,60662,172.16.32.1,31337,10893,,0,alert,Allow
 +06/02/25-14:13:41.256123 ,1,1000007,1,"BLOCKED: Netcat Backdoor Connection Attempt",TCP,172.16.32.254,60662,172.16.32.1,31337,10894,,0,alert,Allow
 +06/02/25-14:13:41.256123 ,1,1000002,1,"BLOCKED: Nmap Stealth SYN Scan",TCP,172.16.32.254,60662,172.16.32.1,31337,10894,,0,alert,Allow
 +06/02/25-14:13:42.280290 ,1,1000007,1,"BLOCKED: Netcat Backdoor Connection Attempt",TCP,172.16.32.254,60662,172.16.32.1,31337,10895,,0,alert,Allow
 +06/02/25-14:13:42.280290 ,1,1000002,1,"BLOCKED: Nmap Stealth SYN Scan",TCP,172.16.32.254,60662,172.16.32.1,31337,10895,,0,alert,Allow
 +06/02/25-14:13:43.304868 ,1,1000007,1,"BLOCKED: Netcat Backdoor Connection Attempt",TCP,172.16.32.254,60662,172.16.32.1,31337,10896,,0,alert,Allow
 +06/02/25-14:13:43.304868 ,1,1000002,1,"BLOCKED: Nmap Stealth SYN Scan",TCP,172.16.32.254,60662,172.16.32.1,31337,10896,,0,alert,Allow
 +06/02/25-14:13:44.328926 ,1,1000007,1,"BLOCKED: Netcat Backdoor Connection Attempt",TCP,172.16.32.254,60662,172.16.32.1,31337,10897,,0,alert,Allow
 +06/02/25-14:13:44.328926 ,1,1000002,1,"BLOCKED: Nmap Stealth SYN Scan",TCP,172.16.32.254,60662,172.16.32.1,31337,10897,,0,alert,Allow
 +06/02/25-14:13:46.345070 ,1,1000007,1,"BLOCKED: Netcat Backdoor Connection Attempt",TCP,172.16.32.254,60662,172.16.32.1,31337,10898,,0,alert,Allow
 +06/02/25-14:13:46.345070 ,1,1000002,1,"BLOCKED: Nmap Stealth SYN Scan",TCP,172.16.32.254,60662,172.16.32.1,31337,10898,,0,alert,Allow
 +06/02/25-14:13:50.504788 ,1,1000007,1,"BLOCKED: Netcat Backdoor Connection Attempt",TCP,172.16.32.254,60662,172.16.32.1,31337,10899,,0,alert,Allow
 +06/02/25-14:13:50.504788 ,1,1000002,1,"BLOCKED: Nmap Stealth SYN Scan",TCP,172.16.32.254,60662,172.16.32.1,31337,10899,,0,alert,Allow
 +06/02/25-14:14:09.844453 ,1,1000002,1,"BLOCKED: Nmap Stealth SYN Scan",TCP,172.16.32.254,49382,172.16.32.1,80,54462,,0,alert,Allow
 +06/02/25-14:14:22.932873 ,1,1000002,1,"BLOCKED: Nmap Stealth SYN Scan",TCP,172.16.32.254,56748,172.16.32.1,80,50731,,0,alert,Allow
 +06/02/25-14:14:40.027235 ,1,1000010,1,"BLOCKED: IRC Bot Connection Attempt",TCP,172.16.32.254,43038,172.16.32.1,6667,25393,,0,alert,Allow
 +06/02/25-14:14:40.027235 ,1,1000002,1,"BLOCKED: Nmap Stealth SYN Scan",TCP,172.16.32.254,43038,172.16.32.1,6667,25393,,0,alert,Allow
 +06/02/25-14:14:41.035377 ,1,1000010,1,"BLOCKED: IRC Bot Connection Attempt",TCP,172.16.32.254,43038,172.16.32.1,6667,25394,,0,alert,Allow
 +06/02/25-14:14:41.035377 ,1,1000002,1,"BLOCKED: Nmap Stealth SYN Scan",TCP,172.16.32.254,43038,172.16.32.1,6667,25394,,0,alert,Allow
 +06/02/25-14:14:42.059513 ,1,1000010,1,"BLOCKED: IRC Bot Connection Attempt",TCP,172.16.32.254,43038,172.16.32.1,6667,25395,,0,alert,Allow
 +06/02/25-14:14:42.059513 ,1,1000002,1,"BLOCKED: Nmap Stealth SYN Scan",TCP,172.16.32.254,43038,172.16.32.1,6667,25395,,0,alert,Allow
 +06/02/25-14:14:43.083451 ,1,1000010,1,"BLOCKED: IRC Bot Connection Attempt",TCP,172.16.32.254,43038,172.16.32.1,6667,25396,,0,alert,Allow
 +06/02/25-14:14:43.083451 ,1,1000002,1,"BLOCKED: Nmap Stealth SYN Scan",TCP,172.16.32.254,43038,172.16.32.1,6667,25396,,0,alert,Allow
 +06/02/25-14:14:44.107513 ,1,1000010,1,"BLOCKED: IRC Bot Connection Attempt",TCP,172.16.32.254,43038,172.16.32.1,6667,25397,,0,alert,Allow
 +06/02/25-14:14:44.107513 ,1,1000002,1,"BLOCKED: Nmap Stealth SYN Scan",TCP,172.16.32.254,43038,172.16.32.1,6667,25397,,0,alert,Allow
 +06/02/25-14:14:45.131737 ,1,1000010,1,"BLOCKED: IRC Bot Connection Attempt",TCP,172.16.32.254,43038,172.16.32.1,6667,25398,,0,alert,Allow
 +06/02/25-14:14:45.131737 ,1,1000002,1,"BLOCKED: Nmap Stealth SYN Scan",TCP,172.16.32.254,43038,172.16.32.1,6667,25398,,0,alert,Allow
 +06/02/25-14:14:47.147642 ,1,1000010,1,"BLOCKED: IRC Bot Connection Attempt",TCP,172.16.32.254,43038,172.16.32.1,6667,25399,,0,alert,Allow
 +06/02/25-14:14:47.147642 ,1,1000002,1,"BLOCKED: Nmap Stealth SYN Scan",TCP,172.16.32.254,43038,172.16.32.1,6667,25399,,0,alert,Allow
 +06/02/25-14:14:53.869755 ,1,1000010,1,"BLOCKED: IRC Bot Connection Attempt",TCP,172.16.32.254,37488,172.16.32.1,6667,3048,,0,alert,Allow
 +06/02/25-14:14:53.869755 ,1,1000002,1,"BLOCKED: Nmap Stealth SYN Scan",TCP,172.16.32.254,37488,172.16.32.1,6667,3048,,0,alert,Allow
 +06/02/25-14:14:54.892010 ,1,1000010,1,"BLOCKED: IRC Bot Connection Attempt",TCP,172.16.32.254,37488,172.16.32.1,6667,3049,,0,alert,Allow
 +06/02/25-14:14:54.892010 ,1,1000002,1,"BLOCKED: Nmap Stealth SYN Scan",TCP,172.16.32.254,37488,172.16.32.1,6667,3049,,0,alert,Allow
 +06/02/25-14:14:55.916047 ,1,1000010,1,"BLOCKED: IRC Bot Connection Attempt",TCP,172.16.32.254,37488,172.16.32.1,6667,3050,,0,alert,Allow
 +06/02/25-14:14:55.916047 ,1,1000002,1,"BLOCKED: Nmap Stealth SYN Scan",TCP,172.16.32.254,37488,172.16.32.1,6667,3050,,0,alert,Allow
 +06/02/25-14:14:56.940076 ,1,1000010,1,"BLOCKED: IRC Bot Connection Attempt",TCP,172.16.32.254,37488,172.16.32.1,6667,3051,,0,alert,Allow
 +06/02/25-14:14:56.940076 ,1,1000002,1,"BLOCKED: Nmap Stealth SYN Scan",TCP,172.16.32.254,37488,172.16.32.1,6667,3051,,0,alert,Allow
 +06/02/25-14:14:57.964416 ,1,1000010,1,"BLOCKED: IRC Bot Connection Attempt",TCP,172.16.32.254,37488,172.16.32.1,6667,3052,,0,alert,Allow
 +06/02/25-14:14:57.964416 ,1,1000002,1,"BLOCKED: Nmap Stealth SYN Scan",TCP,172.16.32.254,37488,172.16.32.1,6667,3052,,0,alert,Allow
 +06/02/25-14:14:58.988306 ,1,1000010,1,"BLOCKED: IRC Bot Connection Attempt",TCP,172.16.32.254,37488,172.16.32.1,6667,3053,,0,alert,Allow
 +06/02/25-14:14:58.988306 ,1,1000002,1,"BLOCKED: Nmap Stealth SYN Scan",TCP,172.16.32.254,37488,172.16.32.1,6667,3053,,0,alert,Allow
 +06/02/25-14:15:01.004515 ,1,1000010,1,"BLOCKED: IRC Bot Connection Attempt",TCP,172.16.32.254,37488,172.16.32.1,6667,3054,,0,alert,Allow
 +06/02/25-14:15:01.004515 ,1,1000002,1,"BLOCKED: Nmap Stealth SYN Scan",TCP,172.16.32.254,37488,172.16.32.1,6667,3054,,0,alert,Allow
 +</code>
  
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