Re: New MyDoom variant
According to Trend: htm.exe, txt.exe, txt.scr
According to McAfee: EXE, COM, SCR, PIF, BAT, CMD
According to Symantec: exe, txt.exe, htm.exe, txt.scr, zip
Hmm, I wonder who is right...
-Bryan
On 8/4/04 11:07 AM, "Paul Kurczaba" <paul@xxxxxxxxxx> wrote:
> What extension does the attachment have (exe, pif, zip)?
>
> -Paul
> ----- Original Message -----
> From: <albatross@xxxxxx>
> To: <bugtraq@xxxxxxxxxxxxxxxxx>
> 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.
>>
>
>