Rule History

SID: 2020811 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 4 • Mar 31, 2015, 12:00 PM

Message:

ET MALWARE Volatile Cedar Win32.Explosive External IP Leak

Rule:

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Volatile Cedar Win32.Explosive External IP Leak"; flow:established,from_server; file_data; content:"<span id=|22|lblIPBehindProxy|22|>{"; within:29; fast_pattern; reference:md5,cefed502aaf38ee0089c527e7f537eda; reference:url,checkpoint.com/downloads/volatile-cedar-technical-report.pdf; classtype:external-ip-check; sid:2020811; rev:4; metadata:created_at 2015_03_31, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_03_17;)

Created:

Mar 31, 2015, 12:00 PM

Updated:

Mar 17, 2022, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Nov 10, 2025, 10:34 PM

Filename:

rules/emerging-malware.rules