Rule History

SID: 2047342 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 2 • Aug 10, 2023, 12:00 PM

Message:

ET CURRENT_EVENTS Observed Credit Card Scam Exfil Domain in DNS Lookup

Rule:

alert dns $HOME_NET any -> any any (msg:"ET CURRENT_EVENTS Observed Credit Card Scam Exfil Domain in DNS Lookup"; dns.query; bsize:13; content:"postasico.top"; nocase; classtype:credential-theft; sid:2047342; rev:2; metadata:attack_target Client_Endpoint, created_at 2023_08_10, deployment Perimeter, deprecation_reason Relevance, performance_impact Low, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_10_16, reviewed_at 2023_10_16; target:src_ip;)

Created:

Aug 10, 2023, 12:00 PM

Updated:

Oct 16, 2023, 12:00 PM

DB Created:

Aug 10, 2023, 9:00 PM

DB Updated:

Aug 19, 2025, 9:35 PM

Filename:

rules/emerging-current_events.rules