Rule History

SID: 2012853 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 2 • May 26, 2011, 12:00 PM

Message:

ET MOBILE_MALWARE SymbOS/Yxes.I NumberFile.jsp CnC Server Communication

Rule:

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MOBILE_MALWARE SymbOS/Yxes.I NumberFile.jsp CnC Server Communication"; flow:established,to_server; content:"NumberFile.jsp?Version="; http_uri; content:"&PhoneType="; http_uri; content:"&PhoneImei="; http_uri; content:"&PhoneImsi="; http_uri; reference:url,www.fortiguard.com/encyclopedia/virus/symbos_yxes.i!worm.html; classtype:command-and-control; sid:2012853; rev:2; metadata:created_at 2011_05_26, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)

Created:

May 26, 2011, 12:00 PM

Updated:

Jul 26, 2019, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Oct 9, 2025, 9:35 PM

Filename:

rules/emerging-mobile_malware.rules