alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET MALWARE Overpro Spyware User Agent Activity (merong)"; flow: to_server,established; content:"User-Agent\:"; nocase; content:"MERONG"; within:150; pcre:"/User-Agent\:[^\n]+MERONG/i"; classtype: trojan-activity; sid: 2002020; rev:24;)

Added 2008-05-09 17:01:40 UTC

Noticed User-Agent merong in Lexmark software setup/configuration from host computers to Lexmark printers over http. Example is a get request for http://5.5.5.5/cgi-bin/posttest/printer/config/secure/cert/deleteAIICA.html

-- DaveG - 2013-06-14

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET MALWARE Overpro Spyware User Agent Activity (merong)"; flow: to_server,established; content:"User-Agent\:"; nocase; content:"MERONG"; within:150; pcre:"/User-Agent\:[^\n]+MERONG/i"; classtype: trojan-activity; sid: 2002020; rev:24;)

Added 2008-05-09 17:01:40 UTC

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET MALWARE Overpro Spyware User Agent Activity (merong)"; flow: to_server,established; content:"User-Agent\:"; nocase; pcre:"/User-Agent\:[^\n]+MERONG/i"; classtype: trojan-activity; sid: 2002020; rev:23;)

Added 2008-02-01 14:32:22 UTC

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET MALWARE Overpro Spyware User Agent Activity (merong)"; flow: to_server,established; content:"User-Agent\:"; nocase; pcre:"/User-Agent\:[^\n]+MERONG/i"; classtype: trojan-activity; sid: 2002020; rev:23;)

Added 2008-02-01 14:32:22 UTC

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET Malware Overpro Spyware User Agent Activity (merong)"; flow: to_server,established; content:"User-Agent\:"; nocase; pcre:"/User-Agent\:[^\n]+MERONG/i"; classtype: trojan-activity; sid: 2002020; rev:12;)

Added 2008-01-28 17:24:20 UTC

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET Malware Overpro Spyware User Agent Activity (merong)"; flow: to_server,established; content:"User-Agent\:"; nocase; pcre:"/User-Agent\:[^\n]+MERONG/i"; classtype: trojan-activity; sid: 2002020; rev:12;)

Added 2008-01-28 17:24:20 UTC

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg: "BLEEDING-EDGE Malware Overpro Spyware User Agent Activity (merong)"; flow: to_server,established; content:"User-Agent\:"; nocase; pcre:"/User-Agent\:[^\n]+MERONG/i"; classtype: trojan-activity; sid: 2002020; rev:11;)