ET WEB_CLIENT Multibrowser Resource Exhaustion observed in Tech Support Scam

7.0.35.0SID: 2024305Rev: 4Enabled2 views
Sourceet/open
Fileemerging-web_client.rules
CreatedMay 16, 2017
UpdatedMarch 14, 2024
Classificationsocial-engineering
alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET WEB_CLIENT Multibrowser Resource Exhaustion observed in Tech Support Scam"; flow:established,to_client; file.data; content:"var|20|total|20|=|20 22 22 3b|"; nocase; content:"total|20|=|20|total"; nocase; distance:0; content:"history.pushState"; nocase; fast_pattern; distance:0; pcre:"/^\s*\(\s*0\s*,\s*0\s*,\s*total\s*\)/Ri"; reference:url,bugzilla.mozilla.org/show_bug.cgi?id=1246773; classtype:social-engineering; sid:2024305; rev:4; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2017_05_16, deployment Perimeter, confidence Medium, signature_severity Major, updated_at 2024_03_14;)

References

urlbugzilla.mozilla.org/show_bug.cgi?id=1246773

Metadata

affected productWeb_Browsers
attack targetClient_Endpoint
created at2017_05_16
deploymentPerimeter
confidenceMedium
signature severityMajor
updated at2024_03_14

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