ET MALWARE Possible Encoded Wide PowerShell (IEX) in Certificate Inbound

7.0.3 5.0SID: 2027462Rev: 3Enabled5 views

Fileemerging-malware.rules

CreatedJune 12, 2019

UpdatedMarch 7, 2024

Classificationtrojan-activity

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Possible Encoded Wide PowerShell (IEX) in Certificate Inbound"; flow:established,to_client; http.stat_code; content:"200"; file.data; content:"-----BEGIN|20|CERTIFICATE-----|0d 0a|YVFCb"; depth:40; fast_pattern; reference:url,blog.trendmicro.com/trendlabs-security-intelligence/cve-2019-2725-exploited-and-certificate-files-used-for-obfuscation-to-deliver-monero-miner/; classtype:trojan-activity; sid:2027462; rev:3; metadata:created_at 2019_06_12, cve CVE_2019_2725, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Major, updated_at 2024_03_07;)

References

url	blog.trendmicro.com/trendlabs-security-intelligence/cve-2019-2725-exploited-and-certificate-files-used-for-obfuscation-to-deliver-monero-miner/

Metadata

created at2019_06_12

cve

CVE-2019-2725

deploymentPerimeter

performance impactLow

confidenceMedium

signature severityMajor

updated at2024_03_07

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