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alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET TROJAN Suspicious User-Agent - Possible Trojan Downloader (ie)"; flow:established,to_server; content:"|0d 0a|User-Agent\: ie|0d 0a|"; classtype: trojan-activity; reference:url,doc.emergingthreats.net/2007827; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/VIRUS/TROJAN_Downloader_General; sid:2007827; rev:2;)

Added 2009-02-12 18:21:15 UTC


GET /87dskv/4g325/gate.php?id=e4384e40 HTTP/1.0
User-Agent: ie
Host: vestepau.cn
Pragma: no-cache

15:50:29.767477 IP 10.10.1.165.2890 > 94.75.193.89.80: P 1569597059:1569597170(111) ack 1010099241 win 65535
        0x0000:  4500 0097 e785 4000 7f06 e887 0a0a 01a5  E.....@.........
        0x0010:  5e4b c159 0b4a 0050 5d8e 2683 3c34 e429  ^K.Y.J.P].&.<4.)
        0x0020:  5018 ffff d283 0000 4745 5420 2f38 3764  P.......GET./87d
        0x0030:  736b 762f 3467 3332 352f 6761 7465 2e70  skv/4g325/gate.p
        0x0040:  6870 3f69 643d 6534 3338 3465 3430 2048  hp?id=e4384e40.H
        0x0050:  5454 502f 312e 310d 0a55 7365 722d 4167  TTP/1.1..User-Ag
        0x0060:  656e 743a 2069 650d 0a48 6f73 743a 2076  ent:.ie..Host:.v
        0x0070:  6573 7465 7061 752e 636e 0d0a 4361 6368  estepau.cn..Cach
        0x0080:  652d 436f 6e74 726f 6c3a 206e 6f2d 6361  e-Control:.no-ca
        0x0090:  6368 650d 0a0d 0a                        che....

-- JackPepper - 19 Feb 2009


alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET TROJAN Suspicious User-Agent - Possible Trojan Downloader (ie)"; flow:established,to_server; content:"|0d 0a|User-Agent\: ie|0d 0a|"; classtype: trojan-activity; reference:url,doc.emergingthreats.net/2007827; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/VIRUS/TROJAN_Downloader_General; sid:2007827; rev:2;)

Added 2009-02-12 18:21:15 UTC


alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET TROJAN Suspicious User-Agent - Possible Trojan Downloader (ie)"; flow:established,to_server; content:"|0d 0a|User-Agent\: ie|0d 0a|"; classtype: trojan-activity; sid:2007827; rev:1;)

Added 2008-02-08 14:12:47 UTC


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Topic revision: r3 - 2009-02-19 - MattJonkman
 
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