ET WEB_CLIENT PDF With Unescape Method Defined Possible Hostile Obfuscation Attempt

7.0.35.0SID: 2010881Rev: 7Disabled2 views
Sourceet/open
Fileemerging-web_client.rules
CreatedSeptember 29, 2010
UpdatedApril 10, 2024
Classificationbad-unknown
alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET WEB_CLIENT PDF With Unescape Method Defined Possible Hostile Obfuscation Attempt"; flow:established,to_client; file.data; content:"PDF-"; depth:300; content:"unescape|28|"; fast_pattern; nocase; distance:0; reference:url,isc.sans.org/diary.html?storyid=7903; reference:url,isc.sans.org/diary.html?storyid=7906; classtype:bad-unknown; sid:2010881; rev:7; metadata:affected_product Web_Browsers, affected_product Web_Browser_Plugins, attack_target Client_Endpoint, created_at 2010_09_29, deployment Perimeter, confidence Medium, signature_severity Major, tag Web_Client_Attacks, updated_at 2024_04_10;)

References

urlisc.sans.org/diary.html?storyid=7903
urlisc.sans.org/diary.html?storyid=7906

Metadata

affected productWeb_Browser_Plugins
attack targetClient_Endpoint
created at2010_09_29
deploymentPerimeter
confidenceMedium
signature severityMajor
tagWeb_Client_Attacks
updated at2024_04_10

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