# Sagan proofpoint.rules
# Copyright (c) 2009-2020. Quadrant Information Security <www.quadrantsec.com>
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#
# Please submit any custom rules or ideas to sagan-submit@quadrantsec.com or the sagan-sigs mailing list
#
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#  * Redistributions of source code must retain the above copyright notice, this list of conditions and the following
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alert any $EXTERNAL_NET any -> $HOME_NET any (msg: "[PROOFPOINT] - Malware message delivered"; content: "classification|5c 22 3a 5c 22|malware"; content: "MSGDLV"; classtype: misc-attack; program: PROOFPOINT; reference: url,wiki.quadrantsec.com/bin/view/Main/5004755; sid: 5004755; rev:1;)
alert any $EXTERNAL_NET any -> $HOME_NET any (msg: "[PROOFPOINT] - Phish message delivered"; content: "classification|5c 22 3a 5c 22|phish"; content: "MSGDLV"; classtype: misc-attack; program: PROOFPOINT; reference: url,wiki.quadrantsec.com/bin/view/Main/5004337; sid: 5004337; rev:1;)
#alert any $EXTERNAL_NET any -> $HOME_NET any (msg: "[PROOFPOINT] - Unknown event classification"; meta_content:!"%sagan%",classification|5c 22 3a 5c 22|phish,class|3d 22|phish,classification|5c 22 3a 5c 22|spam,class|3d 22|spam,classification|5c 22 3a 5c 22|malware,class|3d 22|malware; meta_nocase; classtype: misc-attack; program: PROOFPOINT; reference: url,wiki.quadrantsec.com/bin/view/Main/5004338; sid:5004338; rev:1;)
alert any $EXTERNAL_NET any -> $HOME_NET any (msg: "[PROOFPOINT] - Malware click permitted"; content: "class|3d 22|malware"; content: "CLKPER"; classtype: misc-attack; program: PROOFPOINT; reference: url,wiki.quadrantsec.com/bin/view/Main/5004339; sid: 5004339; rev:1;)
alert any $EXTERNAL_NET any -> $HOME_NET any (msg: "[PROOFPOINT] - Spam click permitted"; content: "class|3d 22|spam"; content: "CLKPER"; classtype: misc-attack; program: PROOFPOINT; reference: url,wiki.quadrantsec.com/bin/view/Main/5004340; sid: 5004340; rev:1;)
alert any $EXTERNAL_NET any -> $HOME_NET any (msg: "[PROOFPOINT] - Phish click permitted"; content: "class|3d 22|phish"; content: "CLKPER"; classtype: misc-attack; program: PROOFPOINT; reference: url,wiki.quadrantsec.com/bin/view/Main/5004341; sid: 5004341; rev:1;)
alert any $EXTERNAL_NET any -> $HOME_NET any (msg: "[PROOFPOINT] - Impostor message delivered"; content: "classification|5c 22 3a 5c 22|impostor"; content: "MSGDLV"; classtype: misc-attack; program: PROOFPOINT; reference: url,wiki.quadrantsec.com/bin/view/Main/5004342; sid: 5004342; rev:1;)