แž€แžถแžšแž”แž„แŸ’แž€แžพแžแžแŸ’แž˜แžธแž“แŸƒ Nemesida WAF แžฅแžแž‚แžทแžแžแŸ’แž›แŸƒแžŸแž˜แŸ’แžšแžถแž”แŸ‹ NGINX

แž€แžถแžšแž”แž„แŸ’แž€แžพแžแžแŸ’แž˜แžธแž“แŸƒ Nemesida WAF แžฅแžแž‚แžทแžแžแŸ’แž›แŸƒแžŸแž˜แŸ’แžšแžถแž”แŸ‹ NGINX
แž€แžถแž›แž–แžธแž†แŸ’แž“แžถแŸ†แž˜แžปแž“ แž™แžพแž„แž”แžถแž“แž…แŸแž‰แž•แŸ’แžŸแžถแž™ Nemesida WAF Free แžŠแŸ‚แž›แž‡แžถแž˜แŸ‰แžผแžŒแžปแž›แžแžถแž˜แžœแž“แŸ’แžแžŸแž˜แŸ’แžšแžถแž”แŸ‹ NGINX แžŠแŸ‚แž›แžšแžถแžšแžถแŸ†แž„แž€แžถแžšแžœแžถแž™แž”แŸ’แžšแž แžถแžšแž›แžพแž€แž˜แŸ’แž˜แžœแžทแž’แžธแž‚แŸแž แž‘แŸ†แž–แŸแžšแŸ” แž˜แžทแž“แžŠแžผแž…แž€แŸ†แžŽแŸ‚แž–แžถแžŽแžทแž‡แŸ’แž‡แž€แž˜แŸ’แž˜ แžŠแŸ‚แž›แž•แŸ’แžขแŸ‚แž€แž›แžพแž€แžถแžšแžšแŸ€แž“แž˜แŸ‰แžถแžŸแŸŠแžธแž“ แž€แŸ†แžŽแŸ‚แžฅแžแž‚แžทแžแžแŸ’แž›แŸƒแžœแžทแž—แžถแž‚แžŸแŸ†แžŽแžพแžŠแŸ„แž™แž”แŸ’แžšแžพแžแŸ‚แžœแžทแž’แžธแžŸแžถแžŸแŸ’แžแŸ’แžšแž แžแŸ’แžแž›แŸแžแžถแž”แŸ‰แžปแžŽแŸ’แžŽแŸ„แŸ‡แŸ”

แž›แž€แŸ’แžแžŽแŸˆแž–แžทแžŸแŸแžŸแž“แŸƒแž€แžถแžšแž…แŸแž‰แž•แŸ’แžŸแžถแž™ Nemesida WAF 4.0.129

แž˜แžปแž“แž–แŸแž›แž€แžถแžšแž…แŸแž‰แž•แŸ’แžŸแžถแž™แž”แž…แŸ’แž…แžปแž”แŸ’แž”แž“แŸ’แž“ แž˜แŸ‰แžผแžŒแžปแž›แžแžถแž˜แžœแž“แŸ’แž Nemesida WAF แž‚แžถแŸ†แž‘แŸ’แžšแžแŸ‚ Nginx Stable 1.12, 1.14 แž“แžทแž„ 1.16 แž”แŸ‰แžปแžŽแŸ’แžŽแŸ„แŸ‡แŸ” แž€แžถแžšแž…แŸแž‰แž•แŸ’แžŸแžถแž™แžแŸ’แž˜แžธแž”แž“แŸ’แžแŸ‚แž˜แž€แžถแžšแž‚แžถแŸ†แž‘แŸ’แžšแžŸแž˜แŸ’แžšแžถแž”แŸ‹ Nginx Mainline แž…แžถแž”แŸ‹แž•แŸ’แžแžพแž˜แž–แžธ 1.17 แž“แžทแž„ Nginx Plus แž…แžถแž”แŸ‹แž•แŸ’แžแžพแž˜แž–แžธ 1.15.10 (R18) แŸ”

แž แŸแžแžปแžขแŸ’แžœแžธแž”แžถแž“แž‡แžถแž”แž„แŸ’แž€แžพแž WAF แž˜แžฝแž™แž•แŸ’แžŸแŸแž„แž‘แŸ€แž?


NAXSI แž“แžทแž„ mod_security แž”แŸ’แžšแž แŸ‚แž›แž‡แžถแž˜แŸ‰แžผแžŒแžปแž› WAF แžฅแžแž‚แžทแžแžแŸ’แž›แŸƒแžŠแŸ‚แž›แž–แŸแž‰แž“แžทแž™แž˜แž”แŸ†แž•แžปแž แž แžพแž™ mod_security แžแŸ’แžšแžผแžœแž”แžถแž“แž•แŸ’แžŸแž–แŸ’แžœแž•แŸ’แžŸแžถแž™แž™แŸ‰แžถแž„แžŸแž€แž˜แŸ’แž˜แžŠแŸ„แž™ Nginx แž‘แŸ„แŸ‡แž”แžธแž‡แžถแžŠแŸ†แž”แžผแž„แžœแžถแžแŸ’แžšแžผแžœแž”แžถแž“แž”แŸ’แžšแžพแžแŸ‚แž“แŸ…แž€แŸ’แž“แžปแž„ Apache2 แž€แŸแžŠแŸ„แž™แŸ” แžŠแŸ†แžŽแŸ„แŸ‡แžŸแŸ’แžšแžถแž™แž‘แžถแŸ†แž„แž–แžธแžšแž‚แžบแžฅแžแž‚แžทแžแžแŸ’แž›แŸƒ แž”แŸ’แžšแž—แž–แž”แžพแž€แž…แŸ†แž  แž“แžทแž„แž˜แžถแž“แžขแŸ’แž“แž€แž”แŸ’แžšแžพแž”แŸ’แžšแžถแžŸแŸ‹แž‡แžถแž…แŸ’แžšแžพแž“แž“แŸ…แž‡แžปแŸ†แžœแžทแž‰แž–แžทแž—แž–แž›แŸ„แž€แŸ” แžŸแž˜แŸ’แžšแžถแž”แŸ‹ mod_security แžŸแŸ†แžŽแžปแŸ†แž แžแŸ’แžแž›แŸแžแžถแžฅแžแž‚แžทแžแžแŸ’แž›แŸƒ แž“แžทแž„แž–แžถแžŽแžทแž‡แŸ’แž‡แž€แž˜แŸ’แž˜แžขแžถแž…แžšแž€แž”แžถแž“แž€แŸ’แž“แžปแž„แžแž˜แŸ’แž›แŸƒ 500 แžŠแžปแž›แŸ’แž›แžถแžšแž€แŸ’แž“แžปแž„แž˜แžฝแž™แž†แŸ’แž“แžถแŸ† แžŸแž˜แŸ’แžšแžถแž”แŸ‹ NAXSI แž˜แžถแž“แžŸแŸ†แžŽแžปแŸ†แž แžแŸ’แžแž›แŸแžแžถแžฅแžแž‚แžทแžแžแŸ’แž›แŸƒแž…แŸแž‰แž–แžธแž”แŸ’แžšแžขแž”แŸ‹ แž แžพแž™แžขแŸ’แž“แž€แž€แŸแžขแžถแž…แžŸแŸ’แžœแŸ‚แž„แžšแž€แžŸแŸ†แžŽแžปแŸ†แž…แŸ’แž”แžถแž”แŸ‹แž”แž“แŸ’แžแŸ‚แž˜แžŠแžผแž…แž‡แžถ doxsi แž•แž„แžŠแŸ‚แžšแŸ”

แž†แŸ’แž“แžถแŸ†แž“แŸแŸ‡แž™แžพแž„แž”แžถแž“แžŸแžถแž€แž›แŸ’แž”แž„แž”แŸ’แžšแžแžทแž”แžแŸ’แžแžทแž€แžถแžšแžšแž”แžŸแŸ‹ NAXSI แž“แžทแž„ Nemesida WAF Free แŸ” แžŸแž„แŸ’แžแŸแž”แžขแŸ†แž–แžธแž›แž‘แŸ’แž’แž•แž›แŸ–

  • NAXSI แž˜แžทแž“แž’แŸ’แžœแžพแžŒแžทแž€แžผแžŠ URL แž–แžธแžšแžŠแž„แž€แŸ’แž“แžปแž„แžแžผแž‚แžธแž‘แŸแŸ”
  • NAXSI แž…แŸ†แžŽแžถแž™แž–แŸแž›แž™แžผแžšแžŽแžถแžŸแŸ‹แžŠแžพแž˜แŸ’แž”แžธแž€แŸ†แžŽแžแŸ‹แžšแž…แž“แžถแžŸแž˜แŸ’แž–แŸแž“แŸ’แž’ - แžแžถแž˜แž›แŸ†แž“แžถแŸ†แžŠแžพแž˜ แž€แžถแžšแž€แŸ†แžŽแžแŸ‹แž…แŸ’แž”แžถแž”แŸ‹แž›แŸ†แž“แžถแŸ†แžŠแžพแž˜แž“แžนแž„แžšแžถแžšแžถแŸ†แž„แžŸแŸ†แžŽแžพแž—แžถแž‚แž…แŸ’แžšแžพแž“แž“แŸ…แž–แŸแž›แž’แŸ’แžœแžพแž€แžถแžšแž‡แžถแž˜แžฝแž™แž€แž˜แŸ’แž˜แžœแžทแž’แžธแž‚แŸแž แž‘แŸ†แž–แŸแžš (แž€แžถแžšแžขแž“แžปแž‰แŸ’แž‰แžถแž แž€แŸ‚แžŸแž˜แŸ’แžšแžฝแž›แž‘แž˜แŸ’แžšแž„แŸ‹ แžฌแžŸแž˜แŸ’แž—แžถแžšแŸˆ แž…แžผแž›แžšแžฝแž˜แž€แŸ’แž“แžปแž„แž€แžถแžšแžŸแŸ’แž‘แž„แŸ‹แž˜แžแžทแŸ”แž›แŸ”) แž แžพแž™แžœแžถแž…แžถแŸ†แž”แžถแž…แŸ‹แž€แŸ’แž“แžปแž„แž€แžถแžšแž”แž„แŸ’แž€แžพแžแž”แž‰แŸ’แž‡แžธแž€แžšแžŽแžธแž›แžพแž€แž›แŸ‚แž„แŸ” แžŠแŸ‚แž›แž‡แŸ‡แžฅแž‘แŸ’แž’แžทแž–แž›แžขแžถแž€แŸ’แžšแž€แŸ‹แžŠแž›แŸ‹แžŸแž“แŸ’แžแžทแžŸแžปแžแŸ” Nemesida WAF Free แž‡แžถแž˜แžฝแž™แž“แžนแž„แž€แžถแžšแž€แŸ†แžŽแžแŸ‹แž›แŸ†แž“แžถแŸ†แžŠแžพแž˜แž˜แžทแž“แžŠแŸ†แžŽแžพแžšแž€แžถแžšแžœแžทแž‡แŸ’แž‡แž˜แžถแž“แž˜แžทแž“แž–แžทแžแžแŸ‚แž˜แžฝแž™แžแžŽแŸˆแž–แŸแž›แž’แŸ’แžœแžพแž€แžถแžšแž‡แžถแž˜แžฝแž™แž‚แŸแž แž‘แŸ†แž–แŸแžšแž“แŸ„แŸ‡แž‘แŸแŸ”
  • แž…แŸ†แž“แžฝแž“แž“แŸƒแž€แžถแžšแžœแžถแž™แž”แŸ’แžšแž แžถแžšแžŠแŸ‚แž›แžแž€แžแžถแž“แžŸแž˜แŸ’แžšแžถแž”แŸ‹ NAXSI แž‚แžบแžแŸ’แž–แžŸแŸ‹แž‡แžถแž„แž…แŸ’แžšแžพแž“แžŠแž„แŸ”แž›แŸ”

แž‘แŸ„แŸ‡แž”แžธแž‡แžถแž˜แžถแž“แž€แžถแžšแžแŸ’แžœแŸ‡แžแžถแžแž€แŸแžŠแŸ„แž™ NAXSI แž“แžทแž„ mod_security แž˜แžถแž“แž‚แžปแžŽแžŸแž˜แŸ’แž”แžแŸ’แžแžทแž™แŸ‰แžถแž„แž แŸ„แž…แžŽแžถแžŸแŸ‹แž–แžธแžš - แž”แŸ’แžšแž—แž–แž”แžพแž€แž…แŸ†แž  แž“แžทแž„แžขแŸ’แž“แž€แž”แŸ’แžšแžพแž”แŸ’แžšแžถแžŸแŸ‹แž˜แžฝแž™แž…แŸ†แž“แžฝแž“แž’แŸ†แŸ” แž™แžพแž„แž‚แžถแŸ†แž‘แŸ’แžšแž‚แŸ†แž“แžทแžแž“แŸƒแž€แžถแžšแž”แž„แŸ’แž แžถแž‰แž€แžผแžŠแž”แŸ’แžšแž—แž– แž”แŸ‰แžปแž“แŸ’แžแŸ‚แž™แžพแž„แž˜แžทแž“แžขแžถแž…แž’แŸ’แžœแžพแžœแžถแž”แžถแž“แž“แŸ…แžกแžพแž™แž‘แŸ แžŠแŸ„แž™แžŸแžถแžšแž”แž‰แŸ’แž แžถแžŠแŸ‚แž›แžขแžถแž…แž€แžพแžแž˜แžถแž“แž‡แžถแž˜แžฝแž™ "แž€แžถแžšแž›แžฝแž…แž…แž˜แŸ’แž›แž„" แž“แŸƒแž€แŸ†แžŽแŸ‚แž–แžถแžŽแžทแž‡แŸ’แž‡แž€แž˜แŸ’แž˜ แž”แŸ‰แžปแž“แŸ’แžแŸ‚แžŠแžพแž˜แŸ’แž”แžธแž‘แžผแž‘แžถแžแŸ‹แžŸแž„แžŸแž˜แŸ’แžšแžถแž”แŸ‹แž€แžถแžšแžแŸ’แžœแŸ‡แžแžถแžแž“แŸแŸ‡ แž™แžพแž„แž€แŸ†แž–แžปแž„แž”แž„แŸ’แž แžถแž‰แž™แŸ‰แžถแž„แž–แŸแž‰แž›แŸแž‰แž“แžผแžœแžแŸ’แž›แžนแž˜แžŸแžถแžšแž“แŸƒแžŸแŸ†แžŽแžปแŸ†แž แžแŸ’แžแž›แŸแžแžถแŸ” แž™แžพแž„แž•แŸ’แžแž›แŸ‹แžแž˜แŸ’แž›แŸƒแž›แžพแž—แžถแž–แžฏแž€แž‡แž“ แž แžพแž™แžŸแŸ’แž“แžพแžฑแŸ’แž™แžขแŸ’แž“แž€แž•แŸ’แž‘แŸ€แž„แž•แŸ’แž‘แžถแžแŸ‹แžœแžถแžŠแŸ„แž™แžแŸ’แž›แžฝแž“แžฏแž„แžŠแŸ„แž™แž”แŸ’แžšแžพแž˜แŸ‰แžถแžŸแŸŠแžธแž“แž˜แŸแž”แŸ’แžšแžผแž€แžŸแŸŠแžธแŸ”

แž›แž€แŸ’แžแžŽแŸˆแž–แžทแžŸแŸแžŸแž“แŸƒ Nemesida WAF แžฅแžแž‚แžทแžแžแŸ’แž›แŸƒแŸ–

  • แž˜แžผแž›แžŠแŸ’แž‹แžถแž“แž‘แžทแž“แŸ’แž“แž“แŸแž™แž แžแŸ’แžแž›แŸแžแžถแžŠแŸ‚แž›แž˜แžถแž“แž‚แžปแžŽแž—แžถแž–แžแŸ’แž–แžŸแŸ‹แž‡แžถแž˜แžฝแž™แž“แžนแž„แž…แŸ†แž“แžฝแž“แžขแž”แŸ’แž”แž”แžšแž˜แžถแž“แŸƒ False Positive แž“แžทแž„ False NegativeแŸ”
  • แž€แžถแžšแžŠแŸ†แžกแžพแž„แž“แžทแž„แž’แŸ’แžœแžพแž”แž…แŸ’แž…แžปแž”แŸ’แž”แž“แŸ’แž“แž—แžถแž–แž–แžธแžƒแŸ’แž›แžถแŸ†แž„ (แžœแžถแž›แžฟแž“แž“แžทแž„แž„แžถแž™แžŸแŸ’แžšแžฝแž›);
  • แž–แŸ’แžšแžนแžแŸ’แžแžทแž€แžถแžšแžŽแŸแžŸแžถแž˜แž‰แŸ’แž‰ แž“แžทแž„แžขแžถแž…แž™แž›แŸ‹แž”แžถแž“แžขแŸ†แž–แžธแžงแž”แŸ’แž”แžแŸ’แžแžทแž แŸแžแžป แž“แžทแž„แž˜แžทแž“แž˜แŸ‚แž“แž‡แžถ "แžšแž‰แŸ‰แŸแžšแž‰แŸ‰แŸƒ" แžŠแžผแž… NAXSI;
  • แžฅแžแž‚แžทแžแžแŸ’แž›แŸƒแž‘แžถแŸ†แž„แžŸแŸ’แžšแžปแž„ แž˜แžทแž“แž˜แžถแž“แž€แžถแžšแžšแžนแžแž”แž“แŸ’แžแžนแž„แž›แžพแž…แŸ†แž“แžฝแž“แž…แžšแžถแž…แžšแžŽแŸ แž˜แŸ‰แžถแžŸแŸŠแžธแž“แž“แžทแž˜แŸ’แž˜แžทแž แž‡แžถแžŠแžพแž˜แŸ”

แžŸแžšแžปแž”แžŸแŸแž…แž€แŸ’แžแžธ แžแŸ’แž‰แžปแŸ†แž“แžนแž„แž•แŸ’แžแž›แŸ‹แžŸแŸ†แžŽแžฝแžšแž‡แžถแž…แŸ’แžšแžพแž“แžŠแžพแž˜แŸ’แž”แžธแžœแžถแž™แžแž˜แŸ’แž›แŸƒแžŠแŸ†แžŽแžพแžšแž€แžถแžšแžšแž”แžŸแŸ‹ WAF (แžœแžถแžแŸ’แžšแžผแžœแž”แžถแž“แžŽแŸ‚แž“แžถแŸ†แžฑแŸ’แž™แž”แŸ’แžšแžพแžœแžถแž“แŸ…แž€แŸ’แž“แžปแž„แžแŸ†แž”แž“แŸ‹แž“แžธแž˜แžฝแž™แŸ—แŸ– URL, ARGS, แž”แž‹แž˜แž€แžแžถ แž“แžทแž„แžแžฝ):

')) un","ion se","lect 1,2,3,4,5,6,7,8,9,0,11#"] ')) union/**/select/**/1,/**/2,/**/3,/**/4,/**/5,/**/6,/**/7,/**/8,/**/9,/**/'some_text',/**/11#"] union(select(1),2,3,4,5,6,7,8,9,0x70656e746573746974,11)#"] ')) union+/*!select*/ (1),(2),(3),(4),(5),(6),(7),(8),(9),(0x70656e746573746974),(11)#"] ')) /*!u%6eion*/ /*!se%6cect*/ (1),(2),(3),(4),(5),(6),(7),(8),(9.),(0x70656e746573746974),(11)#"] ')) %2f**%2funion%2f**%2fselect (1),(2),(3),(4),(5),(6),(7),(8),(9),(0x70656e746573746974),(11)#"] %5B%221807182982%27%29%29%20uni%22%2C%22on
%20sel%22%2C%22ect%201%2C2%2C3%2C4%2C5%2C6%2C7%2C8%2C9%2C%2some_text%27%2C11%23%22%5D
cat /et?/pa?swd
cat /et'c/pa'ss'wd
cat /et*/pa**wd
e'c'ho 'swd test pentest' |awk '{print "cat /etc/pas"$1}' |bas'h
cat /etc/passwd
cat$u+/etc$u/passwd$u
<svg/onload=alert()//

แž”แŸ’แžšแžŸแžทแž“แž”แžพแžŸแŸ†แžŽแžพแž˜แžทแž“แžแŸ’แžšแžผแžœแž”แžถแž“แžšแžถแžšแžถแŸ†แž„ แž“แŸ„แŸ‡แž‘แŸ†แž“แž„แž‡แžถ WAF แž“แžนแž„แžแž€แžแžถแž“แž€แžถแžšแžœแžถแž™แž”แŸ’แžšแž แžถแžšแž–แžทแžแž”แŸ’แžšแžถแž€แžŠแŸ” แž˜แžปแž“แž–แŸแž›แž”แŸ’แžšแžพแžงแž‘แžถแž แžšแžŽแŸ แžแŸ’แžšแžผแžœแž”แŸ’แžšแžถแž€แžŠแžแžถ WAF แž˜แžทแž“แžšแžถแžšแžถแŸ†แž„แžŸแŸ†แžŽแžพแžŸแŸ’แžšแž”แž…แŸ’แž”แžถแž”แŸ‹แž‘แŸแŸ”

แž”แŸ’แžšแž—แž–: www.habr.com

แž”แž“แŸ’แžแŸ‚แž˜แž˜แžแžทแž™แŸ„แž”แž›แŸ‹