{"id":1015,"date":"2013-04-02T22:53:34","date_gmt":"2013-04-02T21:53:34","guid":{"rendered":"http:\/\/www.phillips321.co.uk\/?p=1015"},"modified":"2013-04-02T22:53:34","modified_gmt":"2013-04-02T21:53:34","slug":"recreating-pattern_create-rb-in-python","status":"publish","type":"post","link":"https:\/\/www.phillips321.co.uk\/2013\/04\/02\/recreating-pattern_create-rb-in-python\/","title":{"rendered":"Recreating pattern_create.rb in python!"},"content":{"rendered":"

So, when you don’t have metasploit or ruby in your environment and you need to run pattern_create.rb what do you do?<\/p>\n

Well if you’ve got Python available you simply rewrite the code in python.<\/p>\n

Here’s the code (it’s used in exactly the same way as the metasploit version of pattern create):<\/p>\n

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
<\/div><\/td>
#!\/usr\/bin\/env python<\/span>
\n# Author: phillips321<\/span>
\n# Site: www.phillips321.co.uk<\/span>
\n# Version 0.1<\/span>
\n# Credits: metasploit project<\/span>
\n# About: Replicates msf pattern_create.rb<\/span>
\nimport<\/span> sys<\/span>
\ntry<\/span>:length=<\/span>int<\/span>(<\/span>sys<\/span>.argv<\/span>[<\/span>1<\/span>]<\/span>)<\/span>
\nexcept<\/span>:print<\/span> "[+] Usage: %s <length> [set a] [set b] [set c]"<\/span> % sys<\/span>.argv<\/span>[<\/span>0<\/span>]<\/span>;<\/span> sys<\/span>.exit<\/span>(<\/span>1<\/span>)<\/span>
\n
\ntry<\/span>:seta=<\/span>sys<\/span>.argv<\/span>[<\/span>2<\/span>]<\/span>
\nexcept<\/span>:seta=<\/span>"ABCDEFGHIJKLMNOPQRSTUVWXYZ"<\/span>
\ntry<\/span>:setb=<\/span>sys<\/span>.argv<\/span>[<\/span>3<\/span>]<\/span>
\nexcept<\/span>:setb=<\/span>"abcdefghijklmnopqrstuvwxyz"<\/span>
\ntry<\/span>:setc=<\/span>sys<\/span>.argv<\/span>[<\/span>4<\/span>]<\/span>
\nexcept<\/span>:setc=<\/span>"0123456789"<\/span>
\n
\nstring<\/span>=<\/span>""<\/span> ;<\/span> a=<\/span>0<\/span> ;<\/span> b=<\/span>0<\/span> ;<\/span> c=<\/span>0<\/span>
\n
\nwhile<\/span> len<\/span>(<\/span>string<\/span>)<\/span> <<\/span> length:
\n    if<\/span> len<\/span>(<\/span>sys<\/span>.argv<\/span>)<\/span> ==<\/span> 2<\/span>:
\n        string<\/span> +=<\/span> seta[<\/span>a]<\/span> + setb[<\/span>b]<\/span> + setc[<\/span>c]<\/span>
\n        c+=<\/span>1<\/span>
\n        if<\/span> c ==<\/span> len<\/span>(<\/span>setc)<\/span>:c=<\/span>0<\/span>;<\/span>b+=<\/span>1<\/span>
\n        if<\/span> b ==<\/span> len<\/span>(<\/span>setb)<\/span>:b=<\/span>0<\/span>;<\/span>a+=<\/span>1<\/span>
\n        if<\/span> a ==<\/span> len<\/span>(<\/span>seta)<\/span>:a=<\/span>0<\/span>
\n    elif<\/span> len<\/span>(<\/span>sys<\/span>.argv<\/span>)<\/span> ==<\/span> 3<\/span>:
\n        print<\/span> "[!] Error, cannot work with just one set!"<\/span>
\n        print<\/span> "[+] Usage: %s <length> [set a] [set b] [set c]"<\/span> % sys<\/span>.argv<\/span>[<\/span>0<\/span>]<\/span>;<\/span> sys<\/span>.exit<\/span>(<\/span>1<\/span>)<\/span>
\n        sys<\/span>.exit<\/span>(<\/span>1<\/span>)<\/span>
\n    elif<\/span> len<\/span>(<\/span>sys<\/span>.argv<\/span>)<\/span> ==<\/span> 4<\/span>:
\n        string<\/span> +=<\/span> seta[<\/span>a]<\/span> + setb[<\/span>b]<\/span>
\n        b+=<\/span>1<\/span>
\n        if<\/span> b ==<\/span> len<\/span>(<\/span>setb)<\/span>:b=<\/span>0<\/span>;<\/span>a+=<\/span>1<\/span>
\n        if<\/span> a ==<\/span> len<\/span>(<\/span>seta)<\/span>:a=<\/span>0<\/span>
\n    elif<\/span> len<\/span>(<\/span>sys<\/span>.argv<\/span>)<\/span> ==<\/span> 5<\/span>:
\n        string<\/span> +=<\/span> seta[<\/span>a]<\/span> + setb[<\/span>b]<\/span> + setc[<\/span>c]<\/span>
\n        c+=<\/span>1<\/span>
\n        if<\/span> c ==<\/span> len<\/span>(<\/span>setc)<\/span>:c=<\/span>0<\/span>;<\/span>b+=<\/span>1<\/span>
\n        if<\/span> b ==<\/span> len<\/span>(<\/span>setb)<\/span>:b=<\/span>0<\/span>;<\/span>a+=<\/span>1<\/span>
\n        if<\/span> a ==<\/span> len<\/span>(<\/span>seta)<\/span>:a=<\/span>0<\/span>
\n    else<\/span>:
\n        print<\/span> "[+] Usage: %s <length> [set a] [set b] [set c]"<\/span> % sys<\/span>.argv<\/span>[<\/span>0<\/span>]<\/span>;<\/span> sys<\/span>.exit<\/span>(<\/span>1<\/span>)<\/span>
\n
\nprint<\/span> "-------------------------------------------------------------------------"<\/span>
\nprint<\/span> string<\/span>[<\/span>:length]<\/span>
\nprint<\/span> "-------------------------------------------------------------------------"<\/span>
\nprint<\/span> "Length: %i"<\/span> % length
\nprint<\/span> "[+] SetA: '%s'"<\/span> % seta
\nprint<\/span> "[+] SetB: '%s'"<\/span> % setb
\nif<\/span> len<\/span>(<\/span>sys<\/span>.argv<\/span>)<\/span> !=<\/span> 4<\/span>: print<\/span> "[+] SetC: '%s'"<\/span> % setc
\nprint<\/span> "-------------------------------------------------------------------------"<\/span><\/div><\/td><\/tr><\/tbody><\/table><\/div>\n

From the looks of the pattern_create.rb code in the metasploit library<\/a> it doesn’t look like I’ve missed functionality. Would be good to know if I have any if anyone finds this useful.<\/p>\n","protected":false},"excerpt":{"rendered":"

So, when you don’t have metasploit or ruby in your environment and you need to run pattern_create.rb what do you do? Well if you’ve got Python available you simply rewrite the code in python. Here’s the code (it’s used in exactly the same way as the metasploit version of pattern create): 12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152#!\/usr\/bin\/env python # Author: […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[366,146,456,365,367,111,364],"_links":{"self":[{"href":"https:\/\/www.phillips321.co.uk\/wp-json\/wp\/v2\/posts\/1015"}],"collection":[{"href":"https:\/\/www.phillips321.co.uk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.phillips321.co.uk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.phillips321.co.uk\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.phillips321.co.uk\/wp-json\/wp\/v2\/comments?post=1015"}],"version-history":[{"count":7,"href":"https:\/\/www.phillips321.co.uk\/wp-json\/wp\/v2\/posts\/1015\/revisions"}],"predecessor-version":[{"id":1309,"href":"https:\/\/www.phillips321.co.uk\/wp-json\/wp\/v2\/posts\/1015\/revisions\/1309"}],"wp:attachment":[{"href":"https:\/\/www.phillips321.co.uk\/wp-json\/wp\/v2\/media?parent=1015"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.phillips321.co.uk\/wp-json\/wp\/v2\/categories?post=1015"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.phillips321.co.uk\/wp-json\/wp\/v2\/tags?post=1015"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}