Rule History

SID: 2020382 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 5 • Feb 7, 2015, 12:00 PM

Message:

ET MALWARE Skeleton Key Filename in SMB2 Traffic

Rule:

alert tcp $HOME_NET any -> $HOME_NET [139,445] (msg:"ET MALWARE Skeleton Key Filename in SMB2 Traffic"; flow:established,to_server; content:"|FE|SMB|40|"; offset:4; depth:5; content:"|16 00|"; distance:0; content:"m|00|s|00|u|00|t|00|a|00|6|00|4|00|.|00|d|00|l|00|l"; distance:8; within:21; reference:url,www.secureworks.com/cyber-threat-intelligence/threats/skeleton-key-malware-analysis; classtype:trojan-activity; sid:2020382; rev:5; metadata:created_at 2015_02_07, signature_severity Major, updated_at 2019_07_26;)

Created:

Feb 7, 2015, 12:00 PM

Updated:

Jul 26, 2019, 12:00 PM

DB Created:

Feb 7, 2015, 12:00 PM

DB Updated:

Sep 10, 2024, 1:01 PM

Filename:

rules/emerging-malware.rules