Rule History

SID: 2046293 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 1 • Jun 16, 2023, 12:00 PM

Message:

ET MALWARE Mystic Stealer Admin Panel 2023-06-16

Rule:

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Mystic Stealer Admin Panel 2023-06-16"; http.stat_code; content:"200"; file.data; content:"<title>"; content:"Mystic Stealer"; distance:0; fast_pattern; content:"</title>"; distance:0; reference:md5,df80b1e50cfebb0c4dbf5ac51c5d7254; reference:url,inquest.net/blog/2023/06/15/mystic-stealer-new-kid-block; reference:url,www.zscaler.com/blogs/security-research/mystic-stealer; classtype:trojan-activity; sid:2046293; rev:1; metadata:attack_target Client_Endpoint, created_at 2023_06_16, deployment Perimeter, malware_family Mystic, confidence High, signature_severity Major, tag Stealer, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_06_16;)

Created:

Jun 16, 2023, 12:00 PM

Updated:

Jun 16, 2023, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Aug 21, 2025, 9:36 PM

Filename:

rules/emerging-malware.rules