alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET MALWARE DelFin? Project User Agent (Dpi)"; flow: to_server,established; content:"|0d 0a|User-Agent\: Dpi|0d 0a|"; nocase; content:!"iTunes/"; reference:url,www.delfinproject.com; classtype:trojan-activity; reference:url,doc.emergingthreats.net/bin/view/Main/2002398; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/MALWARE/MALWARE_USER_Agents; sid:2002398; rev:9;)

Added 2009-02-09 21:30:23 UTC

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET MALWARE DelFin? Project User Agent (Dpi)"; flow: to_server,established; content:"|0d 0a|User-Agent\: Dpi|0d 0a|"; nocase; content:!"iTunes/"; reference:url,www.delfinproject.com; classtype:trojan-activity; reference:url,doc.emergingthreats.net/bin/view/Main/2002398; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/MALWARE/MALWARE_USER_Agents; sid:2002398; rev:9;)

Added 2009-02-09 21:30:23 UTC

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET MALWARE DelFin? Project User Agent (Dpi)"; flow: to_server,established; content:"|0d 0a|User-Agent\: Dpi|0d 0a|"; nocase; content:!"iTunes/"; reference:url,www.delfinproject.com; classtype:trojan-activity; reference:url,doc.emergingthreats.net/bin/view/Main/2002398; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/MALWARE/MALWARE_USER_Agents; sid:2002398; rev:9;)

Added 2009-02-09 21:29:24 UTC

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET MALWARE DelFin? Project User Agent (Dpi)"; flow: to_server,established; content:"|0d 0a|User-Agent\: Dpi|0d 0a|"; nocase; content:!"iTunes/"; reference:url,www.delfinproject.com; classtype:trojan-activity; reference:url,doc.emergingthreats.net/bin/view/Main/2002398; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/MALWARE/MALWARE_USER_Agents; sid:2002398; rev:9;)

Added 2009-02-09 21:29:24 UTC

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET MALWARE DelFin? Project User Agent (Dpi)"; flow: to_server,established; content:"|0d 0a|User-Agent\: Dpi|0d 0a|"; nocase; content:!"iTunes/"; reference:url,www.delfinproject.com; classtype:trojan-activity; sid:2002398; rev:8;)

Added 2008-03-09 15:12:09 UTC

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET MALWARE DelFin? Project User Agent (Dpi)"; flow: to_server,established; content:"|0d 0a|User-Agent\: Dpi|0d 0a|"; nocase; content:!"iTunes/"; reference:url,www.delfinproject.com; classtype:trojan-activity; sid:2002398; rev:8;)

Added 2008-03-09 15:12:09 UTC

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET MALWARE DelFin? Project User Agent"; flow: to_server,established; content:"User-Agent\: Dpi"; nocase; content:!"iTunes/"; reference:url,www.delfinproject.com; classtype:trojan-activity; sid:2002398; rev:7;)

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

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET MALWARE DelFin? Project User Agent"; flow: to_server,established; content:"User-Agent\: Dpi"; nocase; content:!"iTunes/"; reference:url,www.delfinproject.com; classtype:trojan-activity; sid:2002398; rev:7;)

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

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg: "BLEEDING-EDGE MALWARE DelFin? Project User Agent"; flow: to_server,established; content:"User-Agent\: Dpi"; nocase; content:!"iTunes/"; reference:url,www.delfinproject.com; classtype:trojan-activity; sid:2002398; rev:6;)

Added 2007-03-13 11:37:23 UTC

Removed the pcre. All hits I've found are static.

-- MattJonkman - 13 Mar 2007

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg: "BLEEDING-EDGE MALWARE DelFin? Project User Agent"; flow: to_server,established; content:"User-Agent\:"; nocase; pcre:"/User-Agent\:[^\n]+Dpi/i"; content:!"iTunes/"; reference:url,www.delfinproject.com; classtype:trojan-activity; sid:2002398; rev:5;)