Date: Wed, 4 Aug 2004 14:07:36 -0400
From: "Paul Kurczaba" <paul@...pis.com>
To: <albatross@....it>, <bugtraq@...urityfocus.com>
Subject: Re: New MyDoom variant


What extension does the attachment have (exe, pif, zip)?

-Paul
----- Original Message ----- 
From: <albatross@....it>
To: <bugtraq@...urityfocus.com>
Sent: Wednesday, August 04, 2004 9:22 AM
Subject: New MyDoom variant


>
>
> The SANS Institute reports a new variant of MyDoom in the wild actually
not recognized by AV vendors:
>
> New MyDoom On The Loose
>
> Initial analysis (we will update as we know more):
>
> Currently (16:00GMT), signatures are not yet available.
> UPDATED (17:00GMT):
> - Signatures are starting to come out, identifying this as MyDoom.O,
MyDoom.P or Evaman.C
> - It appears that this may only work on Win2K and WinXP machines because
the executable requires psapi.dll.
> - Copies itself to the Windows' system directory as winlibs.exe and
installs itself under
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
>
> UPDATED (17:30GMT) - *BETA* Snort Sigs:
> UPDATED (17:40GMT) - *BETA #2* Snort Sigs:
> UPDATED (19:30GMT) - *BETA #3* Snort Sigs:
>
>
> var YAHOO [216.109.127.126/32]
> #var YAHOO any
> pass tcp any any -> $YAHOO 80 (msg: "Beta - MyDoom.P yahoo email address
search";\
> sid:900018; rev:4; flow:established,to_server; flags:A+;\
> flowbits:set,search_uri; content: "/py/psSearch.py|3f|";)
> alert tcp any any -> $YAHOO 80 (msg: "Beta - MyDoom.P yahoo email address
search";\
> sid:900018; rev:4; flow:established,to_server; flags:A+;\
> flowbits:isset,search_uri; content: "Host|3a| EMAIL.PEOPLE.YAHOO.COM";)
>
> Targets Yahoo's people search:
>
> http://email.people.yahoo.com:80/py/psSearch.py?
>
> NEW (1700GMT)- Example packet capture:
>
> 12:23:22.922862 10.1.0.129.1035 > 216.109.127.126.80: P 5:310(305) ack 1
win 175 20 (DF)
> 0x0000   4500 0159 0077 4000 8006 96ba 0a01 0081        E..Y.w@.........
> 0x0010   d86d 7f7e 040b 0050 2217 187c 6b8a 5eb1        .m.~...P"..|k.^.
> 0x0020   5018 4470 46c9 0000 2f70 792f 7073 5365        P.DpF.../py/psSe
> 0x0030   6172 6368 2e70 793f 4669 7273 744e 616d        arch.py?FirstNam
> 0x0040   653d 4a61 6d69 6526 696e 6465 783d 2048        e=Jamie&index=.H
> 0x0050   5454 502f 312e 300d 0a41 6363 6570 743a        TTP/1.0..Accept:
> 0x0060   2069 6d61 6765 2f67 6966 2c20 696d 6167        .image/gif,.imag
> 0x0070   652f 782d 7862 6974 6d61 702c 2069 6d61        e/x-xbitmap,.ima
> 0x0080   6765 2f6a 7065 672c 2069 6d61 6765 2f70        ge/jpeg,.image/p
> 0x0090   6a70 6567 2c20 6170 706c 6963 6174 696f        jpeg,.applicatio
> 0x00a0   6e2f 766e 642e 6d73 2d65 7863 656c 2c20        n/vnd.ms-excel,.
> 0x00b0   6170 706c 6963 6174 696f 6e2f 6d73 776f        application/mswo
> 0x00c0   7264 2c20 6170 706c 6963 6174 696f 6e2f        rd,.application/
> 0x00d0   766e 642e 6d73 2d70 6f77 6572 706f 696e        vnd.ms-powerpoin
> 0x00e0   742c 202a 2f2a 0d0a 4163 6365 7074 2d4c        t,.*/*..Accept-L
> 0x00f0   616e 6775 6167 653a 2065 6e2d 7573 0d0a        anguage:.en-us..
> 0x0100   4163 6365 7074 2d45 6e63 6f64 696e 673a        Accept-Encoding:
> 0x0110   2067 7a69 702c 2064 6566 6c61 7465 0d0a        .gzip,.deflate..
> 0x0120   5573 6572 2d41 6765 6e74 3a20 4d6f 7a69        User-Agent:.Mozi
> 0x0130   6c6c 612f 342e 300d 0a48 6f73 743a 2045        lla/4.0..Host:.E
> 0x0140   4d41 494c 2e50 454f 504c 452e 5941 484f        MAIL.PEOPLE.YAHO
> 0x0150   4f2e 434f 4d0d 0a0d 0a                         O.COM....
>
>
> Message subjects(?):
>
> SN: New secure mail
> SN: New secure mail
> Secure delivery
> Secure delivery
> failed transaction
> failed transaction
> Re: hello (Secure-Mail)
> Re: hello (Secure-Mail)
> Re: Extended Mail
> Re: Extended Mail
> Delivery Status (Secure)
> Delivery Status (Secure)
> Re: Server Reply
> Re: Server Reply
> SN: Server Status
> SN: Server Status
>
>
> Message body contains(?):
>
> Automatically Secure Delivery: for
> Automatically Secure Delivery: for
> Mail Delivery Server System: for
> Mail Delivery Server System: for
> Extended secure mail message available at:
> Extended secure mail message available at:
> Secure Mail Server Notification: for
> Secure Mail Server Notification: for
> New mail secure method implement: for
> New mail secure method implement: for
> New policy requested by mail server to returned mail
> as a secure compiled attachment (Zip).
> New policy requested by mail server to returned mail
> as a secure compiled attachment (Zip).
> Now a new message is available as secure Zip file format.
> Due to new policies on clients.
> Now a new message is available as secure Zip file format.
> Due to new policies on clients.
> This message is available as a secure Zip file format
> due to a new security policy.
> This message is available as a secure Zip file format
> due to a new security policy.
> For security measures this message has been packed as Zip format.
> This is a newly added security feature.
> For security measures this message has been packed as Zip format.
> This is a newly added security feature.
> New policy recommends to enclose all messages as Zip format.
> Your message is available in this server notice.
> New policy recommends to enclose all messages as Zip format.
> Your message is available in this server notice.
> You have received a message that implements secure delivery technology.
> Message available as a secure Zip file.
> You have received a message that implements secure delivery technology.
> Message available as a secure Zip file.
> This message is an automatically server notice
> from Administration at
> This message is an automatically server notice
> from Administration at
> Server Notice: New security feature added. MSG:ID: 455sec86
> Server Notice: New security feature added. MSG:ID: 455sec86
> New feature added for security reasons
> New feature added for security reasons
> Automatically server notice:,
> Server reply from
> Automatically server notice:,
> Server reply from
> New service policy for security added from
> New service policy for security added from
>
>
> The executable contains the following names that are used to search Yahoo:
> Johnson, Williams, Wilson, Taylor, Anderson, Thomas, Jackson, Parker,
Hernandez, Gonzalez, Roberts, Patricia, Margaret, Elizabeth, Anthony,
Daniel, Patrick, Douglas, Carlos, Sanchez, Howard, Washington, Walter,
Robinson, Miguel, Jennifer, Alberto, Mathew, Taylor, Walker, Mitchell,
Carter, Nelson, Brooks, Jenkins, Coleman, Flores, Griffin, Morris, Rogers,
Barbara, Angela, Amanda, Pamela, Martha, Frances, Cynthia, Stephanie,
Nicole, Andrea, Rebeca, Steven, Anthony, George, Michael, Isabel, Marcos,
Camilo, Salomon, Esteban, Francis, Nicholas, Samuel, Angela, Catherine,
Susanna, Dorothy, Elizabeth, Andrew, Philip, Hester, Edward, Martin,
Gabriel, Christopher, Lawrence, Christian, Christ, Dorcas, Rowland, Cecily,
Margery, Turner, Torres, Brooks, Harrison, Gibson, Pierce, Arnold, Watkins,
Medina, Mendoza, Santiago, Christina, Norris, Santos, Burgess, Valdez,
Barber, Patton, Ortega, Estrada, Waters, Ashlee, Parson, Sparks, Morton,
Allison, Monique, Summers, Cortez, Barton, Deleon, H
>  arrell, Navarro, Woodard, Meyers, Petersen, Vannessa, Douglas, Joanna,
Judith, Bridget, Jessica, Jeffrey, Timothy, Shirley, Kimberly, Sandra,
Melissa, Virginia, Dennis, Junior, Heather, Collins, Garcia, Miller, Barton,
Bridget, Gillian, Ursula, Hannah, Cooper, Watson, Bennett, Sanders, Ramirez,
Bailey, Murphy, Campbell, Barnes, Alexis, Samantha, Madison, Joshua,
Charles, Clinton, Lincoln, Houston, Claudia, Britney, Carson, Spider,
Laster, Jolley, Galvin, Alecia, Karrie, Ivette, Freeman, Hunter, Simpson,
Hamilton, Knight, Mcdonald, Elliott, Bradley, Duncan, Weaver, Fields,
Chapman, Kelley, Wagner, Jacobs, Stanley, Fuller, Newman, Lambert, Cummings,
Leonard, Barker, Norris.
>

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