ET USER_AGENTS Suspected Mekotio User-Agent (4M5yC6u4stom5U8se3r)

7.0.35.0SID: 2030722Rev: 2Enabled2 views
Sourceet/open
Fileemerging-user_agents.rules
CreatedAugust 21, 2020
UpdatedMarch 24, 2024
Classificationtrojan-activity
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET USER_AGENTS Suspected Mekotio User-Agent (4M5yC6u4stom5U8se3r)"; flow:established,to_server; http.user_agent; bsize:19; content:"4M5yC6u4stom5U8se3r"; fast_pattern; reference:url,www.welivesecurity.com/2020/08/13/mekotio-these-arent-the-security-updates-youre-looking-for/; classtype:trojan-activity; sid:2030722; rev:2; metadata:attack_target Client_Endpoint, created_at 2020_08_21, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_24;)

References

urlwww.welivesecurity.com/2020/08/13/mekotio-these-arent-the-security-updates-youre-looking-for/

Metadata

attack targetClient_Endpoint
created at2020_08_21
deploymentPerimeter
performance impactLow
confidenceMedium
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2024_03_24

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