Snort mailing list archives
Re: FP 17246
From: "Lay, James" <james.lay () wincofoods com>
Date: Thu, 14 Oct 2010 09:14:45 -0600
Excellent. A bunch of these were in my oinkmaster log from this morning: -> Added to specific-threats.rules (5): Rules were 17247, 17246, 17248, 17257, and 17244, all at rev:1. James -----Original Message----- From: Nigel Houghton [mailto:nhoughton () sourcefire com] Sent: Thursday, October 14, 2010 9:00 AM To: Lay, James Cc: snort-sigs () lists sourceforge net Subject: Re: [Snort-sigs] FP 17246 Current revision of this rule is 3. Also, it now resides in deleted.rules. On Thu, 14 Oct 2010 08:43:06 -0600, Lay, James wrote:
Rule hit: 10/14-08:38:47.457462 [**] [1:17246:1] SPECIFIC-THREATS Multiple vendor Antivirus magic byte detection evasion attempt [**] [Classification: Attempted User Privilege Gain] [Priority: 1] {TCP} 209.85.225.148:80 -> external_IP:61121 Rule: :alert tcp $EXTERNAL_NET $HTTP_PORTS -> $HOME_NET any (msg:"SPECIFIC-THREATS Multiple vendor Antivirus magic byte detection evasion attempt"; flow:established,to_client; content:"Content|2D|Type|3A 20|text|2F|html"; nocase; http_header; pcre:"/\x0D\x0A?(MZ|PK|BZh|BZ|GIF8|BM|IC|PI|CI|CP)/"; metadata:policy balanced-ips drop, policy security-ips drop, service http; reference:cve,2005-3370; reference:cve,2005-3371; reference:cve,2005-3372; reference:cve,2005-3373; reference:cve,2005-3374; reference:cve,2005-3375; reference:cve,2005-3376; reference:cve,2005-3377; reference:cve,2005-3378; reference:cve,2005-3379; reference:cve,2005-3380; reference:cve,2005-3381; reference:cve,2005-3382; classtype:attempted-user; sid:17246; rev:1;) Packet dump: 08:39:10.499895 IP 209.85.225.148.80 > 66.193.105.132.61121: Flags [P.], ack 721, win 9648, length 204 0x0000: 4500 00f4 e376 0000 3906 3e5e d155 e194
E....v..9.>^.U..
0x0010: 42c1 6984 0050 eec1 18f5 f9bc 5329 87af
B.i..P......S)..
0x0020: 5018 25b0 637e 0000 4854 5450 2f31 2e31
P.%.c~..HTTP/1.1
0x0030: 2032 3030 204f 4b0d 0a43 6f6e 7465 6e74
.200.OK..Content
0x0040: 2d54 7970 653a 2069 6d61 6765 2f67 6966
-Type:.image/gif
0x0050: 0d0a 5072 6167 6d61 3a20 6e6f 2d63 6163
..Pragma:.no-cac
0x0060: 6865 0d0a 4361 6368 652d 436f 6e74 726f
he..Cache-Contro
0x0070: 6c3a 206e 6f2d 6361 6368 650d 0a43 6f6e
l:.no-cache..Con
0x0080: 7465 6e74 2d4c 656e 6774 683a 2034 330d
tent-Length:.43.
0x0090: 0a44 6174 653a 2054 6875 2c20 3134 204f
.Date:.Thu,.14.O
0x00a0: 6374 2032 3031 3020 3134 3a33 393a 3132
ct.2010.14:39:12
0x00b0: 2047 4d54 0d0a 5365 7276 6572 3a20 4746
.GMT..Server:.GF
0x00c0: 452f 322e 300d 0a0d 0a47 4946 3839 6101
E/2.0....GIF89a.
0x00d0: 0001 0080 0100 0000 00ff ffff 21f9 0401
............!...
0x00e0: 0000 0100 2c00 0000 0001 0001 0000 0202
....,...........
0x00f0: 4c01 003b L..; Looks like a .gif from google.... James
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-- Nigel Houghton Head Mentalist SF VRT Department of Intelligence Excellence http://vrt-sourcefire.blogspot.com && http://labs.snort.org/ ------------------------------------------------------------------------------ Beautiful is writing same markup. Internet Explorer 9 supports standards for HTML5, CSS3, SVG 1.1, ECMAScript5, and DOM L2 & L3. Spend less time writing and rewriting code and more time creating great experiences on the web. Be a part of the beta today. http://p.sf.net/sfu/beautyoftheweb _______________________________________________ Snort-sigs mailing list Snort-sigs () lists sourceforge net https://lists.sourceforge.net/lists/listinfo/snort-sigs
Current thread:
- FP 17246 Lay, James (Oct 14)
- Re: FP 17246 Weir, Jason (Oct 14)
- Re: FP 17246 Nigel Houghton (Oct 14)
- Re: FP 17246 Weir, Jason (Oct 14)
- Re: FP 17246 Weir, Jason (Oct 14)
- Re: FP 17246 Nigel Houghton (Oct 14)
- Re: FP 17246 Weir, Jason (Oct 14)
- Re: FP 17246 JJC (Oct 14)
- Re: FP 17246 Nigel Houghton (Oct 14)
- Re: FP 17246 Weir, Jason (Oct 14)
- Re: FP 17246 Lay, James (Oct 14)
- Re: FP 17246 Joel Esler (Oct 14)
- Re: FP 17246 Weir, Jason (Oct 14)