webProeasy

Dead or alive 5

spbctf

Task: SQL injection with WAF blocking SELECT keyword. Solution: Mixed case bypass (SeLeCt) since MySQL keywords are case-insensitive but the filter is case-sensitive.

waf_bypass sqli mysql case_bypass keyword_filter

mixed_case_keyword_bypass

$ ls tags/ techniques/

waf_bypass sqli mysql case_bypass keyword_filter

mixed_case_keyword_bypass

Analysis

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.

$ python3 exploit.py --target 192.168.1.1 --port 8080
[*] Connecting to target...
[+] Shell obtained!

Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

Permission denied (requires tier.pro)

Sign in to access full writeups

Sign in with GitHub, Discord, or Google to continue. No email required.

$sign in

$ grep --similar

Similar writeups

[web][Pro]Dead or alive 7— web-kids20
[web][Pro]02— web-kids20
[web][Pro]Dead or alive 6— spbctf
[web][Pro]Dead or alive 4— spbctf
[web][Pro]Dead or alive 8— web-kids20