Rule History

SID: 2018949 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 5 • Aug 18, 2014, 12:00 PM

Message:

ET MALWARE Win32/PSW.Steam.NBP Checkin

Rule:

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/PSW.Steam.NBP Checkin"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/data2.php?file="; fast_pattern; http.user_agent; content:"Mozilla/4.0 (compatible|3b 20|Synapse)"; depth:33; http.header_names; content:!"Accept"; content:!"Referer|0d 0a|"; reference:md5,17d2b62f2fa20f407485437de17787fb; reference:md5,bec091077138a1cac49db00495d456e7; classtype:command-and-control; sid:2018949; rev:5; metadata:created_at 2014_08_18, malware_family Win32_PSW_Steam_NBP, signature_severity Major, updated_at 2020_09_25;)

Created:

Aug 18, 2014, 12:00 PM

Updated:

Sep 25, 2020, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

May 30, 2025, 12:04 AM

Filename:

rules/emerging-malware.rules