#alert tcp $HOME_NET any <> $EXTERNAL_NET any (msg:"ET CHAT MSN file transfer reject"; flow: established; content:"MSG "; depth: 4; content:"Content-Type|3A|"; nocase; content:"text/x-msmsgsinvite"; distance: 0; content:"Invitation-Command|3A|"; content:"CANCEL"; distance: 0; content:"Cancel-Code|3A|"; nocase; content:"REJECT"; nocase; distance: 0; reference:url,doc.emergingthreats.net/2001243; classtype:policy-violation; sid:2001243; rev:5; metadata:created_at 2010_07_30, updated_at 2010_07_30;)

Added 2018-09-13 19:37:17 UTC

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Added 2018-09-13 17:52:26 UTC

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#alert tcp $HOME_NET any <> $EXTERNAL_NET any (msg:"ET CHAT MSN file transfer reject"; flow: established; content:"MSG "; depth: 4; content:"Content-Type|3A|"; nocase; content:"text/x-msmsgsinvite"; distance: 0; content:"Invitation-Command|3A|"; content:"CANCEL"; distance: 0; content:"Cancel-Code|3A|"; nocase; content:"REJECT"; nocase; distance: 0; reference:url,doc.emergingthreats.net/2001243; classtype:policy-violation; sid:2001243; rev:5; metadata:created_at 2010_07_30, updated_at 2010_07_30;)

Added 2017-08-07 20:55:23 UTC

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#alert tcp $HOME_NET any <> $EXTERNAL_NET any (msg:"ET CHAT MSN file transfer reject"; flow: established; content:"MSG "; depth: 4; content:"Content-Type|3A|"; nocase; content:"text/x-msmsgsinvite"; distance: 0; content:"Invitation-Command|3A|"; content:"CANCEL"; distance: 0; content:"Cancel-Code|3A|"; nocase; content:"REJECT"; nocase; distance: 0; reference:url,doc.emergingthreats.net/2001243; classtype:policy-violation; sid:2001243; rev:5;)

Added 2017-06-12 17:13:03 UTC

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alert tcp $HOME_NET any <> $EXTERNAL_NET any (msg:"ET CHAT MSN file transfer reject"; flow: established; content:"MSG "; depth: 4; content:"Content-Type|3A|"; nocase; content:"text/x-msmsgsinvite"; fast_pattern:only; content:"Invitation-Command|3A|"; content:"CANCEL"; distance: 0; content:"Cancel-Code|3A|"; nocase; content:"REJECT"; nocase; distance: 0; reference:url,doc.emergingthreats.net/2001243; classtype:policy-violation; sid:2001243; rev:9;)

Added 2011-10-12 19:10:11 UTC

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alert tcp $HOME_NET any <> $EXTERNAL_NET any (msg:"ET CHAT MSN file transfer reject"; flow: established; content:"MSG "; depth: 4; content:"Content-Type|3A|"; nocase; content:"text/x-msmsgsinvite"; fast_pattern:only; content:"Invitation-Command|3A|"; content:"CANCEL"; distance: 0; content:"Cancel-Code|3A|"; nocase; content:"REJECT"; nocase; distance: 0; classtype: policy-violation; reference:url,doc.emergingthreats.net/2001243; sid:2001243; rev:9;)

Added 2011-09-15 14:46:36 UTC

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alert tcp $HOME_NET any <> $EXTERNAL_NET any (msg:"ET CHAT MSN file transfer reject"; flow: established; content:"MSG "; depth: 4; content:"Content-Type|3A|"; nocase; content:"text/x-msmsgsinvite"; fast_pattern:only; content:"Invitation-Command|3A|"; content:"CANCEL"; distance: 0; content:"Cancel-Code|3A|"; nocase; content:"REJECT"; nocase; distance: 0; classtype: policy-violation; reference:url,doc.emergingthreats.net/2001243; sid:2001243; rev:9;)

Added 2011-09-14 20:45:23 UTC

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alert tcp $HOME_NET any <> $EXTERNAL_NET any (msg:"ET CHAT MSN file transfer reject"; flow: established; content:"MSG "; depth: 4; content:"Content-Type|3A|"; nocase; content:"text/x-msmsgsinvite"; fast_pattern:only; content:"Invitation-Command|3A|"; content:"CANCEL"; distance: 0; content:"Cancel-Code|3A|"; nocase; content:"REJECT"; nocase; distance: 0; classtype: policy-violation; reference:url,doc.emergingthreats.net/2001243; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/POLICY/POLICY_IM_MSN; sid:2001243; rev:9;)

Added 2011-02-04 17:21:23 UTC

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alert tcp $HOME_NET any <> $EXTERNAL_NET any (msg:"ET CHAT MSN file transfer reject"; flow: established; content:"MSG "; depth: 4; content:"Content-Type|3A|"; nocase; content:"text/x-msmsgsinvite"; distance: 0; content:"Invitation-Command|3A|"; content:"CANCEL"; distance: 0; content:"Cancel-Code|3A|"; nocase; content:"REJECT"; nocase; distance: 0; classtype: policy-violation; reference:url,doc.emergingthreats.net/2001243; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/POLICY/POLICY_IM_MSN; sid:2001243; rev:5;)

Added 2010-06-28 22:46:59 UTC

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alert tcp $HOME_NET any <> $EXTERNAL_NET any (msg:"ET CHAT MSN file transfer reject"; flow: established; content:"MSG "; depth: 4; content:"Content-Type|3A|"; nocase; content:"text/x-msmsgsinvite"; distance: 0; content:"Invitation-Command|3A|"; content:"CANCEL"; distance: 0; content:"Cancel-Code|3A|"; nocase; content:"REJECT"; nocase; distance: 0; classtype: policy-violation; reference:url,doc.emergingthreats.net/2001243; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/POLICY/POLICY_IM_MSN; sid:2001243; rev:5;)

Added 2010-06-28 22:46:59 UTC

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alert tcp $HOME_NET any <> $EXTERNAL_NET any (msg:"ET CHAT MSN file transfer reject"; flow: established; content:"MSG "; depth: 4; content:"Content-Type|3A|"; nocase; content:"text/x-msmsgsinvite"; distance: 0; content:"Invitation-Command|3A|"; content:"CANCEL"; distance: 0; content:"Cancel-Code|3A|"; nocase; content:"REJECT"; nocase; distance: 0; classtype: policy-violation; reference:url,doc.emergingthreats.net/2001243; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/POLICY/POLICY_IM_MSN; sid: 2001243; rev:5;)

Added 2009-02-11 19:15:23 UTC

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alert tcp $HOME_NET any <> $EXTERNAL_NET any (msg:"ET CHAT MSN file transfer reject"; flow: established; content:"MSG "; depth: 4; content:"Content-Type|3A|"; nocase; content:"text/x-msmsgsinvite"; distance: 0; content:"Invitation-Command|3A|"; content:"CANCEL"; distance: 0; content:"Cancel-Code|3A|"; nocase; content:"REJECT"; nocase; distance: 0; classtype: policy-violation; reference:url,doc.emergingthreats.net/2001243; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/POLICY/POLICY_IM_MSN; sid: 2001243; rev:5;)

Added 2009-02-11 19:15:23 UTC

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alert tcp $HOME_NET any <> $EXTERNAL_NET any (msg:"ET CHAT MSN file transfer reject"; flow: established; content:"MSG "; depth: 4; content:"Content-Type|3A|"; nocase; content:"text/x-msmsgsinvite"; distance: 0; content:"Invitation-Command|3A|"; content:"CANCEL"; distance: 0; content:"Cancel-Code|3A|"; nocase; content:"REJECT"; nocase; distance: 0; classtype: policy-violation; sid: 2001243; rev:4;)

Added 2008-01-31 18:48:09 UTC

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alert tcp $HOME_NET any <> $EXTERNAL_NET any (msg:"ET CHAT MSN file transfer reject"; flow: established; content:"MSG "; depth: 4; content:"Content-Type|3A|"; nocase; content:"text/x-msmsgsinvite"; distance: 0; content:"Invitation-Command|3A|"; content:"CANCEL"; distance: 0; content:"Cancel-Code|3A|"; nocase; content:"REJECT"; nocase; distance: 0; classtype: policy-violation; sid: 2001243; rev:4;)

Added 2008-01-31 18:48:09 UTC

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alert tcp $HOME_NET any <> $EXTERNAL_NET any (msg: "BLEEDING-EDGE CHAT MSN file transfer reject"; flow: established; content:"MSG "; depth: 4; content:"Content-Type|3A|"; nocase; content:"text/x-msmsgsinvite"; distance: 0; content:"Invitation-Command|3A|"; content:"CANCEL"; distance: 0; content:"Cancel-Code|3A|"; nocase; content:"REJECT"; nocase; distance: 0; classtype: policy-violation; sid: 2001243; rev:3; )

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