Threat Level: green Handler on Duty: Xavier Mertens

SANS ISC: Snort Sigs for MS06-042 and ICMP tunnel mentioned in Diary - SANS Internet Storm Center SANS ISC InfoSec Forums


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Snort Sigs for MS06-042 and ICMP tunnel mentioned in Diary
Frank Knobbe sent in these signatures today via Bleedingsnort.com.

Note that on the signatures below I have added the "\" continuation character to get better formatting on the Storm Center page.

Signature for the ICMP Banking Trojan:

# By Joe Stewart,  Based on valuable work by Tom Fisher
alert icmp any any -> any any (msg:"BLEEDING-EDGE TROJAN ICMP Banking Trojan \
sending encrypted stolen data"; dsize:>64; content:"|08|"; itype:8; icode:0; depth:1; \
byte_test:4,>,64,1,little; byte_test:4,<,1500,1,little; content:"|0000|"; distance:4; within:1495; \
classtype:trojan-activity; reference:url,www.websensesecuritylabs.com/alerts/alert.php?AlertID=570; \
sid:2003073; rev:1;)

The link to the signatures for ICMP tunnel


For the signatures for MS06-042, please refer to the link on bleedingsnort.com: signatures for MS06-042

Mike Poor
Intelguardians.com



Mike

49 Posts

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