Wierd words for spam filter

[Martin Hepworth]

david

try the antidrug ruleset at
http://mywebpages.comcast.net/mkettler/sa/antidrug.cf

having said that I'm running it and it didn't trigger it, but this rule
did...

# Created using Chris's Mediocre Obfuscation Script Version 0.00.0.0001h
# http://sandgnat.com/cmos/
#

header LOCAL_OBFU_VGR_SUBJ Subject =~
/(?:\b[vu]|\B(?:\\\/|\xCE\xBD))[\x01-\x2F\\\^_`\|\x7F-\xA1\xA4-\xA8\xAB-\xAD\xAF-\xB1\xB4\xB7-\xBB\xBF\xF7]?(?:[il1:\|\*\xCC-\xCF\xEC-\xEF\xA6]|\xC4[\xA8-\xB0]|\xC4\xBA|\xC4\xBC|\xC4\xBE|\xC5\x80|\xC5\x82|\xC7[\x8F-\x90]|\xD0[\x86-\x87]|\xD1[\x96-\x97]|\xCE\x8A|\xCE\x90|\xCE\x99|\xCE\xAA|\xCE\xAF|\xCE\xB9|\xCF\x8A)[\x01-\x2F\\\^_`\|\x7F-\xA1\xA4-\xA8\xAB-\xAD\xAF-\xB1\xB4\xB7-\xBB\xBF\xF7]?(?:[a4\*\@\xC0-\xC5\xAA\xE0-\xE5]|\/\\|\xC4[\x80-\x85]|\xC7[\x8D-\x8E]|\xC7[\xBA-\xBB]|\xCE\x86|\xCE\x91|\xCE\x94|\xCE\x9B|\xCE\xAC|\xCE\xB1|\xD0\x90|\xD0\xB0)[\x01-\x2F\\\^_`\|\x7F-\xA1\xA4-\xA8\xAB-\xAD\xAF-\xB1\xB4\xB7-\xBB\xBF\xF7]?(?:[g6]|\xC4[\x9C-\xA3]])[\x01-\x2F\\\^_`\|\x7F-\xA1\xA4-\xA8\xAB-\xAD\xAF-\xB1\xB4\xB7-\xBB\xBF\xF7]?(?:[r\xAE]|\xC5[\x94-\x99]|\xD1\x93)[\x01-\x2F\\\^_`\|\x7F-\xA1\xA4-\xA8\xAB-\xAD\xAF-\xB1\xB4\xB7-\xBB\xBF\xF7]?(?:[a4]\b|(?:[\*\@\xC0-\xC5\xAA\xE0-\xE5]|\/\\|\xC4[\x80-\x85]|\xC7[\x8D-\x8E]|\xC7[\xBA-\xBB]|\xCE\x86|\xCE\x91|\xCE\x94|\xCE\x9B|\xCE\xAC|\xCE\x
B1|\xD0\x90|\xD0\xB0)\B)/i
score LOCAL_OBFU_VGR_SUBJ 2.6
describe LOCAL_OBFU_VGR_SUBJ Obfuscated 'viagra' in subject

body LOCAL_OBFU_VGR
/(?:\b[vu]|\B(?:\\\/|\xCE\xBD))[\x01-\x2F\\\^_`\|\x7F-\xA1\xA4-\xA8\xAB-\xAD\xAF-\xB1\xB4\xB7-\xBB\xBF\xF7]?(?:[il1:\|\*\xCC-\xCF\xEC-\xEF\xA6]|\xC4[\xA8-\xB0]|\xC4\xBA|\xC4\xBC|\xC4\xBE|\xC5\x80|\xC5\x82|\xC7[\x8F-\x90]|\xD0[\x86-\x87]|\xD1[\x96-\x97]|\xCE\x8A|\xCE\x90|\xCE\x99|\xCE\xAA|\xCE\xAF|\xCE\xB9|\xCF\x8A)[\x01-\x2F\\\^_`\|\x7F-\xA1\xA4-\xA8\xAB-\xAD\xAF-\xB1\xB4\xB7-\xBB\xBF\xF7]?(?:[a4\*\@\xC0-\xC5\xAA\xE0-\xE5]|\/\\|\xC4[\x80-\x85]|\xC7[\x8D-\x8E]|\xC7[\xBA-\xBB]|\xCE\x86|\xCE\x91|\xCE\x94|\xCE\x9B|\xCE\xAC|\xCE\xB1|\xD0\x90|\xD0\xB0)[\x01-\x2F\\\^_`\|\x7F-\xA1\xA4-\xA8\xAB-\xAD\xAF-\xB1\xB4\xB7-\xBB\xBF\xF7]?(?:[g6]|\xC4[\x9C-\xA3]])[\x01-\x2F\\\^_`\|\x7F-\xA1\xA4-\xA8\xAB-\xAD\xAF-\xB1\xB4\xB7-\xBB\xBF\xF7]?(?:[r\xAE]|\xC5[\x94-\x99]|\xD1\x93)[\x01-\x2F\\\^_`\|\x7F-\xA1\xA4-\xA8\xAB-\xAD\xAF-\xB1\xB4\xB7-\xBB\xBF\xF7]?(?:[a4]\b|(?:[\*\@\xC0-\xC5\xAA\xE0-\xE5]|\/\\|\xC4[\x80-\x85]|\xC7[\x8D-\x8E]|\xC7[\xBA-\xBB]|\xCE\x86|\xCE\x91|\xCE\x94|\xCE\x9B|\xCE\xAC|\xCE\x
B1|\xD0\x90|\xD0\xB0)\B)/i
score LOCAL_OBFU_VGR 1.8
describe LOCAL_OBFU_VGR Obfuscated 'viagra' in body
xA4-\xA8\xAB-\xAD\xAF-\xB1\xB4\xB7-\xBB\xBF\xF7]?(?:[r\xAE]|\xC5[\x94-\x99]|\xD1\x93)[\x01-\x2F\\\^_`\|\x7F-\xA1\xA4-\xA8\xAB-\xAD\xAF-\xB1\xB4\xB7-\xBB\xBF\xF7]?(?:[a4]\b|(?:[\*\@\xC0-\xC5\xAA\xE0-\xE5]|\/\\|\xC4[\x80-\x85]|\xC7[\x8D-\x8E]|\xC7[\xBA-\xBB]|\xCE\x86|\xCE\x91|\xCE\x94|\xCE\x9B|\xCE\xAC|\xCE\xB1|\xD0\x90|\xD0\xB0)\B)/i
score LOCAL_OBFU_VGR_SUBJ 2.6
describe LOCAL_OBFU_VGR_SUBJ Obfuscated 'viagra' in subject


body LOCAL_OBFU_VGR
/(?:\b[vu]|\B(?:\\\/|\xCE\xBD))[\x01-\x2F\\\^_`\|\x7F-\xA1\xA4-\xA8\xAB-\xAD\xAF-\xB1\xB4\xB7-\xBB\xBF\xF7]?(?:[il1:\|\*\xCC-\xCF\xEC-\xEF\xA6]|\xC4[\xA8-\xB0]|\xC4\xBA|\xC4\xBC|\xC4\xBE|\xC5\x80|\xC5\x82|\xC7[\x8F-\x90]|\xD0[\x86-\x87]|\xD1[\x96-\x97]|\xCE\x8A|\xCE\x90|\xCE\x99|\xCE\xAA|\xCE\xAF|\xCE\xB9|\xCF\x8A)[\x01-\x2F\\\^_`\|\x7F-\xA1\xA4-\xA8\xAB-\xAD\xAF-\xB1\xB4\xB7-\xBB\xBF\xF7]?(?:[a4\*\@\xC0-\xC5\xAA\xE0-\xE5]|\/\\|\xC4[\x80-\x85]|\xC7[\x8D-\x8E]|\xC7[\xBA-\xBB]|\xCE\x86|\xCE\x91|\xCE\x94|\xCE\x9B|\xCE\xAC|\xCE\xB1|\xD0\x90|\xD0\xB0)[\x01-\x2F\\\^_`\|\x7F-\xA1\xA4-\xA8\xAB-\xAD\xAF-\xB1\xB4\xB7-\xBB\xBF\xF7]?(?:[g6]|\xC4[\x9C-\xA3]])[\x01-\x2F\\\^_`\|\x7F-\xA1\xA4-\xA8\xAB-\xAD\xAF-\xB1\xB4\xB7-\xBB\xBF\xF7]?(?:[r\xAE]|\xC5[\x94-\x99]|\xD1\x93)[\x01-\x2F\\\^_`\|\x7F-\xA1\xA4-\xA8\xAB-\xAD\xAF-\xB1\xB4\xB7-\xBB\xBF\xF7]?(?:[a4]\b|(?:[\*\@\xC0-\xC5\xAA\xE0-\xE5]|\/\\|\xC4[\x80-\x85]|\xC7[\x8D-\x8E]|\xC7[\xBA-\xBB]|\xCE\x86|\xCE\x91|\xCE\x94|\xCE\x9B|\xCE\xAC|\xCE\x
B1|\xD0\x90|\xD0\xB0)\B)/i
score LOCAL_OBFU_VGR 1.8
describe LOCAL_OBFU_VGR Obfuscated 'viagra' in body

If you also add in the xanax and others as well (generated using Chris's
  CGI scripts on his home page above) you should be able to trigger a
spam action.

--
Martin Hepworth
Snr Systems Administrator
Solid State Logic
Tel: +44 (0)1865 842300


David Jacobson wrote:
>
> Hi Again,
>
> I've got customers complaining that spam is coming through and when
> analyzing the e-mails
> I notice they're using words as follows:
>
>  <<FWD: Need Meds Valiu+m+ $ v|agr@ % Xan_a_x _ At`|v at n ' Pnte.r.min - =
> Som+a+  gJe3w>>  <<FWD: On sale V1Agr@ ; xan at x ' V.a.lium & At|v:@n * =
> +Soma+ < Pn.t.ermin fmRdI>>  <<FWD: Everything 4 U /Xanax/ ' :V:alium # =
> v|@gRa ) A:t|v at n + .S.oma _ Pnter:m:in Q6bgh>>  <<Re: flanders>>  =
> <<Re:>>=20
>
> which are not getting tagged, now everytime I try add special words like
> that with pipes colons pluses etc
> it seems to break stuff and tag everything as spam, can someone give me
> an example of how to add such
> words?
>
> Thanks
>
> Kind regards,
>
> David Jacobson
> Network Security Administrator
> RHCE
>
> Imperial Online - The Imperial Connection
>
> Switchboard (+27) 11 723-8000
> Helpdesk (+27) 11 723-8181
> Mobile  (+27) 83 235-0760
> Facsimile (+27) 11 454 1236
> Email  davidj at impol.net
>
> www.imperialonline.co.za / www.imperialtoday.co.za
>
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