alert tcp $EXTERNAL_NET $HTTP_PORTS -> $HOME_NET any (msg:"ET WEB_CLIENT Hex Obfuscation of arguments.callee % Encoding"; flow:established,to_client; content:"%61%72%67%75%6d%65%6e%74%73%2e%63%61%6c%6c%65%65"; nocase; reference:url,cansecwest.com/slides07/csw07-nazario.pdf; reference:url,www.sophos.com/security/technical-papers/malware_with_your_mocha.html; classtype:bad-unknown; sid:2012061; rev:2; metadata:affected_product Web_Browsers, affected_product Web_Browser_Plugins, attack_target Client_Endpoint, deployment Perimeter, tag Web_Client_Attacks, signature_severity Major, created_at 2010_12_15, updated_at 2016_07_01;)

Added 2017-08-07 21:05:08 UTC

alert tcp $EXTERNAL_NET $HTTP_PORTS -> $HOME_NET any (msg:"ET WEB_CLIENT Hex Obfuscation of arguments.callee % Encoding"; flow:established,to_client; content:"%61%72%67%75%6d%65%6e%74%73%2e%63%61%6c%6c%65%65"; nocase; fast_pattern:only; reference:url,cansecwest.com/slides07/csw07-nazario.pdf; reference:url,www.sophos.com/security/technical-papers/malware_with_your_mocha.html; classtype:bad-unknown; sid:2012061; rev:1;)

Added 2011-10-12 19:33:22 UTC

alert tcp $EXTERNAL_NET $HTTP_PORTS -> $HOME_NET any (msg:"ET WEB_CLIENT Hex Obfuscation of arguments.callee % Encoding"; flow:established,to_client; content:"%61%72%67%75%6d%65%6e%74%73%2e%63%61%6c%6c%65%65"; nocase; fast_pattern:only; classtype:bad-unknown; reference:url,cansecwest.com/slides07/csw07-nazario.pdf; reference:url,www.sophos.com/security/technical-papers/malware_with_your_mocha.html; sid:2012061; rev:1;)

Added 2011-02-04 17:31:55 UTC