ET MALWARE ZeitLoader IP Address Check User-Agent (TimeClient/1.0)
Sourceet/open
CreatedDecember 18, 2025
UpdatedDecember 18, 2025
Classificationtrojan-activity
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE ZeitLoader IP Address Check User-Agent (TimeClient/1.0)"; flow:established,to_server; http.user_agent; bsize:14; content:"TimeClient|2f|1|2e|0"; reference:md5,eb5bd49b6eef60ff85892ef7c8015b01; classtype:trojan-activity; sid:2066365; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2025_12_18, deployment Perimeter, malware_family ZeitLoader, performance_impact Low, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_12_18;)
References
| md5 | eb5bd49b6eef60ff85892ef7c8015b01 |
Metadata
affected productWindows_XP_Vista_7_8_10_Server_32_64_Bit
attack targetClient_Endpoint
created at2025_12_18
deploymentPerimeter
malware familyZeitLoader
performance impactLow
confidenceMedium
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2025_12_18
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