Threat Level: green Handler on Duty: Didier Stevens

SANS ISC: InfoSec Handlers Diary Blog - Botnet with reference to SANS InfoSec Handlers Diary Blog


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Botnet with reference to SANS

Published: 2007-02-23
Last Updated: 2007-02-23 14:36:27 UTC
by Jason Lam (Version: 1)
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In a lot of the malware that comes across ISC, the author leave in some kind of signature or message. This week, we have received report of a botnet malware with reference to SANS (hidden in the code), the message is similar to the following,

You better f##k off SANS.org especially that Johannes Ullrich (jullrich@XXX, XXX-XXX-XXXX) and Kevin Hong (khong@XXX.kr, +XX-X-XX-XXX). I really don't have anything against you, just p##s off alright?

The author of the malware also registered 'sans-security.org' (now defunct)

The binary is a Vanbot variant.  At the time of writing, Virustotal has the following to say about the malware.

Antivirus Version Update Result
AntiVir 7.3.1.38 02.22.2007 BDS/VanBot.AY.6
Authentium 4.93.8 02.23.2007 W32/Trojan.YAZ
Avast 4.7.936.0 02.22.2007 no virus found
AVG 386 02.23.2007 BackDoor.Generic5.CLH
BitDefender 7.2 02.23.2007 no virus found
CAT-QuickHeal 9.00 02.22.2007 Backdoor.VanBot.ay
ClamAV devel-20060426 02.22.2007 no virus found
DrWeb 4.33 02.23.2007 BackDoor.IRC.Sdbot.1125
eSafe 7.0.14.0 02.23.2007 Win32.VanBot.ay
eTrust-Vet 30.4.3423 02.23.2007 Win32/Nirbot.K
Ewido 4.0 02.22.2007 Backdoor.IRCBot.aab
FileAdvisor 1 02.23.2007 no virus found
Fortinet 2.85.0.0 02.23.2007 W32/SDBot.H!worm
F-Prot 4.3.1.45 02.22.2007 W32/Trojan.YAZ
F-Secure 6.70.13030.0 02.23.2007 Backdoor.Win32.VanBot.ay
Ikarus T3.1.0.31 02.22.2007 Backdoor.Win32.VanBot.ay
Kaspersky 4.0.2.24 02.23.2007 Backdoor.Win32.VanBot.ay
McAfee 4969 02.22.2007 W32/Sdbot.worm.gen.h
Microsoft 1.2204 02.23.2007 no virus found
NOD32v2 2076 02.22.2007 Win32/Vanbot.AY
Norman 5.80.02 02.22.2007 no virus found
Panda 9.0.0.4 02.23.2007 W32/Sdbot.JWH.worm
Prevx1 V2 02.23.2007 Malware.Trojan.Backdoor.Gen
Sophos 4.14.0 02.21.2007 no virus found
Sunbelt 2.2.907.0 02.22.2007 no virus found
Symantec 10 02.23.2007 W32.Rinbot.B
TheHacker 6.1.6.062 02.21.2007 no virus found
UNA 1.83 02.22.2007 Backdoor.VanBot.E9CE
VBA32 3.11.2 02.22.2007 Backdoor.Win32.VanBot.ay
VirusBuster 4.3.19:9 02.22.2007 no virus found
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