ET INFO Possible SSLv2 Negotiation in Progress Client Master Key SSL2_RC2_128_CBC_EXPORT40_WITH_MD5

7.0.35.0SID: 2022586Rev: 3Enabled2 views
Sourceet/open
Fileemerging-info.rules
CreatedMarch 2, 2016
UpdatedMarch 14, 2024
Classificationpolicy-violation
alert tcp $EXTERNAL_NET any -> $HOME_NET any (msg:"ET INFO Possible SSLv2 Negotiation in Progress Client Master Key SSL2_RC2_128_CBC_EXPORT40_WITH_MD5"; flow:established,to_server; flowbits:isset,SSlv2.ServerHello; content:"|02 04 00 80|"; offset:2; depth:4; threshold:type limit, count 1, seconds 600, track by_dst; reference:url,drownattack.com/drown-attack-paper.pdf; classtype:policy-violation; sid:2022586; rev:3; metadata:created_at 2016_03_02, confidence Medium, signature_severity Informational, updated_at 2024_03_14;)

References

urldrownattack.com/drown-attack-paper.pdf

Metadata

created at2016_03_02
confidenceMedium
signature severityInformational
updated at2024_03_14

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