Rule History

SID: 2020309 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 1 • Jan 26, 2015, 12:00 PM

Message:

ET MALWARE Regin Hopscotch Module Accessing SMB2 Named Pipe (Unicode) 1

Rule:

alert tcp $HOME_NET any -> $HOME_NET [139,445] (msg:"ET MALWARE Regin Hopscotch Module Accessing SMB2 Named Pipe (Unicode) 1"; flow:to_server,established; content:"SMB"; offset:5; depth:3; content:"|00|{|00|6|00|6|00|f|00|b|00|e|00|8|00|7|00|a|00|-|00|4|00|3|00|7|00|2|00|-|00|1|00|f|00|5|00|1|00|-|00|1|00|0|00|1|00|d|00|-|00|1|00|a|00|a|00|f|00|0|00|0|00|4|00|3|00|1|00|2|00|7|00|a|00|}"; distance:0; nocase; reference:url,securelist.com/blog/research/68438/an-analysis-of-regins-hopscotch-and-legspin; classtype:trojan-activity; sid:2020309; rev:1; metadata:created_at 2015_01_26, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)

Created:

Jan 26, 2015, 12:00 PM

Updated:

Jul 26, 2019, 12:00 PM

DB Created:

Jan 26, 2015, 12:00 PM

DB Updated:

Oct 6, 2025, 9:38 PM

Filename:

rules/emerging-malware.rules