patterns/waf_patterns/caddy/rce.conf

@block_rce {
    path_regexp rce "(?i)(@lt 1|@lt 1|@rx (?i)(?:b[|@rx (?i)(?:b[|@pmFromFile windows-powershell-commands.data|@rx (?i)(?:[nr;`{]|||?|&&?)[sx0b]*[sx0b|@rx $(?:((?:.*|(.*)))|{.*}|[.*])|[<>](.*)|/[0-9A-Z_a-z]*[!?.+]|@rx b(?:for(?:/[dflr].*)? %+[^ ]+ in(.*)[sx0b]?do|if(?:/i)?(?: not)?(?: (?:e(?:xist|rrorlevel)|defined|cmdextversion)b|[ (].*(?:b(?:g(?:eq|tr)|equ|neq|l(?:eq|ss))b|==)))|@rx ~(?:[+-](?:$|[sx0b0-9]+)|[0-9]+)|@rx (?i)(?:^|b[|@rx (?i)(?:^|b[|@rx !-d|@pmFromFile unix-shell.data|@rx ^(s*)s+{|@rx ^(s*)s+{|@rx ba[|@pmFromFile restricted-upload.data|@rx (?i)(?:[nr;`{]|||?|&&?)[sx0b]*[sx0b|@rx (?i)(?:[nr;`{]|||?|&&?)[sx0b]*[sx0b|@lt 2|@lt 2|@rx (?:b[|@rx $(?:((?:.*|(.*)))|{.*}|[.*])|[<>](.*)|/[0-9A-Z_a-z]*[!?.+]|@rx ['*?x5c`][^n/]+/|/[^/]+?['*?x5c`]|$[!#$(*-0-9?-[_a-{]|@rx /|@rx s|@rx ^[^#]+|@rx ^[^.]+.[^;?]+[;?](.*(['*?x5c`][^n/]+/|/[^/]+?['*?x5c`]|$[!#$(*-0-9?-[_a-{]))|@rx /|@rx s|@rx ^[^.]*?(?:['*?x5c`][^n/]+/|/[^/]+?['*?x5c`]|$[!#$(*-0-9?-[_a-{])|@rx /|@rx s|@rx (?i).|(?:[sx0b]*|b[|@rx (?i)[-0-9_a-z]+(?:[sx0b]*[|!@rx [0-9]s*'s*[0-9]|@rx ;[sx0b]*.[sx0b]*[|@rx rn.*?b(?:E(?:HLO [-.A-Za-zx17fx212a]{1,255}|XPN .{1,64})|HELO [-.A-Za-zx17fx212a]{1,255}|MAIL FROM:<.{1,64}@.{1,255}>|R(?:CPT TO:(?:<.{1,64}@.{1,255}>| )?<.{1,64}>|SETb)|VRFY .{1,64}(?: <.{1,64}@.{1,255}>|@.{1,255})|AUTH [-0-9A-Z_a-zx17fx212a]{1,20} (?:(?:[+/-9A-Z_a-zx17fx212a]{4})*(?:[+/-9A-Z_a-zx17fx212a]{2}=|[+/-9A-Z_a-zx17fx212a]{3}))?=|STARTTLSb|NOOPb(?: .{1,255})?)|@rx (?is)rn[0-9A-Z_a-z]{1,50}b (?:A(?:PPEND (?:[|@rx (?is)rn.*?b(?:(?:LIST|TOP [0-9]+)(?: [0-9]+)?|U(?:SER .+?|IDL(?: [0-9]+)?)|PASS .+?|(?:RETR|DELE) [0-9]+?|A(?:POP [0-9A-Z_a-z]+ [0-9a-f]{32}|UTH [-0-9_a-z]{1,20} (?:(?:[+/-9A-Z_a-z]{4})*(?:[+/-9A-Z_a-z]{2}=|[+/-9A-Z_a-z]{3}))?=))|@rx (?i)(?:^|b[|@rx (?i)(?:^|b[|@pmFromFile unix-shell.data|@lt 3|@lt 3|@rx (?:b[|@rx (?i)b(?:7z[arx]?|(?:(?:GE|POS)T|HEAD)[sx0b&)<>|]|a(?:(?:b|w[ks]|l(?:ias|pine)|xel)[sx0b&)<>|]|pt(?:(?:itude)?[sx0b&)<>|]|-get)|r(?:[sx0b&)<>j|]|(?:p|ch)[sx0b&)<>|]|ia2c)|s(?:h?[sx0b&)<>|]|cii(?:-xfr|85)|pell)|t(?:[sx0b&)<>|]|obm)|dd(?:group|user)|getty|nsible)|b(?:z(?:z[sx0b&)<>|]|c(?:at|mp)|diff|e(?:grep|xe)|f?grep|ip2(?:recover)?|less|more)|a(?:s(?:e(?:32|64|n(?:ame[sx0b&)<>|]|c))|h[sx0b&)<>|])|tch[sx0b&)<>|])|lkid|pftrace|r(?:eaksw|idge[sx0b&)<>|])|sd(?:cat|iff|tar)|u(?:iltin|n(?:dler[sx0b&)<>|]|zip2)|s(?:ctl|ybox))|y(?:ebug|obu))|c(?:[89]9|(?:a(?:t|ncel|psh)|c)[sx0b&)<>|]|mp|p(?:[sx0b&)<>|]|io|ulimit)|s(?:h|cli[sx0b&)<>|]|plit|vtool)|u(?:t[sx0b&)<>|]|psfilter)|ertbot|h(?:attr|(?:dir|root)[sx0b&)<>|]|e(?:ck_(?:by_ssh|cups|log|memory|raid|s(?:sl_cert|tatusfile))|f[sx0b&)-<>|])|(?:flag|pas)s|g(?:passwd|rp)|mod|o(?:om|wn)|sh)|lang(?:[sx0b&)<>|]|++)|o(?:(?:b|pro)c|(?:lumn|m(?:m(?:and)?|p(?:oser|ress)))[sx0b&)<>|]|w(?:say|think))|r(?:ash[sx0b&)<>|]|on(?:[sx0b&)<>|]|tab)))|d(?:(?:[du]|i(?:(?:alo)?g|r|ff)|a(?:sh|te))[sx0b&)<>|]|n?f|hclient|m(?:esg|idecode|setup)|o(?:as|(?:cker|ne)[sx0b&)<>|]|sbox)|pkg|vips)|e(?:(?:[bd]|cho)[sx0b&)<>|]|n(?:v(?:[sx0b&)<>|]|-update)|d(?:if|sw))|qn|s(?:[sx0b&)<>h|]|ac)|x(?:(?:ec)?[sx0b&)<>|]|iftool|p(?:(?:and|(?:ec|or)t)[sx0b&)<>|]|r))|2fsck|(?:asy_instal|va)l|fax|grep|macs)|f(?:(?:c|etch|lock|unction)[sx0b&)<>|]|d|g(?:rep)?|i(?:(?:n(?:d|ger)|sh)?[sx0b&)<>|]|le(?:[sx0b&)<>|]|test))|mt|tp(?:[sx0b&)<>|]|stats|who)|acter|o(?:ld[sx0b&)<>|]|reach)|ping)|g(?:c(?:c[^sx0b]|ore)|db|e(?:(?:m|tfacl)[sx0b&)<>|]|ni(?:e[sx0b&)<>|]|soimage))|hci?|i(?:(?:t|mp)[sx0b&)<>|]|nsh)|(?:o|awk)[sx0b&)<>|]|pg|r(?:c|ep[sx0b&)<>|]|oup(?:[sx0b&)<>|]|mod))|tester|unzip|z(?:cat|exe|ip))|h(?:(?:d|up|ash|i(?:ghlight|story))[sx0b&)<>|]|e(?:ad[sx0b&)<>|]|xdump)|ost(?:id|name)|ping3|t(?:digest|op|passwd))|i(?:d|p(?:6?tables|config)?|rb|conv|f(?:config|top)|nstall[sx0b&)<>|]|onice|spell)|j(?:js|q|ava[sx0b&)<>|]|exec|o(?:(?:bs|in)[sx0b&)<>|]|urnalctl)|runscript)|k(?:s(?:h|shell)|ill(?:[sx0b&)<>|]|all)|nife[sx0b&)<>|])|l(?:d(?:d?[sx0b&)<>|]|config)|(?:[np]|ynx)[sx0b&)<>|]|s(?:-F|b_release|cpu|hw|mod|of|pci|usb)?|ua(?:[sx0b&)<>|]|(?:la)?tex)|z(?:[sx0b&)4<>|]|4c(?:at)?|c(?:at|mp)|diff|[ef]?grep|less|m(?:a(?:dec|info)?|ore))|a(?:st(?:[sx0b&)<>|]|co
}
respond @block_rce 403