alert tcp any $HTTP_PORTS -> $HOME_NET any (msg:"ET EXPLOIT CAN-2004-0597 PNG with too big PLTE"; flow: to_client,established; flowbits:isset,icolor_png; content:"PLTE"; byte_test:4,>,768,-8,relative; classtype: misc-attack; reference:cve,2004-0597; reference:url,doc.emergingthreats.net/bin/view/Main/2001721; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/EXPLOIT/EXPLOIT_MS_PNG; sid: 2001721; rev:8;)

Added 2009-02-07 22:00:25 UTC

alert tcp any $HTTP_PORTS -> $HOME_NET any (msg:"ET EXPLOIT CAN-2004-0597 PNG with too big PLTE"; flow: to_client,established; flowbits:isset,icolor_png; content:"PLTE"; byte_test:4,>,768,-8,relative; classtype: misc-attack; reference:cve,2004-0597; reference:url,doc.emergingthreats.net/bin/view/Main/2001721; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/EXPLOIT/EXPLOIT_MS_PNG; sid: 2001721; rev:8;)

Added 2009-02-07 22:00:25 UTC

alert tcp any $HTTP_PORTS -> $HOME_NET any (msg:"ET EXPLOIT CAN-2004-0597 PNG with too big PLTE"; flow: to_client,established; flowbits:isset,icolor_png; content:"PLTE"; byte_test:4,>,768,-8,relative; classtype: misc-attack; reference:cve,2004-0597; sid: 2001721; rev:7;)

Added 2008-01-25 10:56:38 UTC

alert tcp any $HTTP_PORTS -> $HOME_NET any (msg:"ET EXPLOIT CAN-2004-0597 PNG with too big PLTE"; flow: to_client,established; flowbits:isset,icolor_png; content:"PLTE"; byte_test:4,>,768,-8,relative; classtype: misc-attack; reference:cve,2004-0597; sid: 2001721; rev:7;)

Added 2008-01-25 10:56:38 UTC

alert tcp any $HTTP_PORTS -> $HOME_NET any (msg: "BLEEDING-EDGE EXPLOIT CAN-2004-0597 PNG with too big PLTE"; flow: to_client,established; flowbits:isset,icolor_png; content:"PLTE"; byte_test:4,>,768,-8,relative; classtype: misc-attack; reference:cve,2004-0597; sid: 2001721; rev:6; )