alert tcp $EXTERNAL_NET any -> $HOME_NET 1720 (msg:"ET VOIP H.323 in Q.931 Call Setup - Inbound"; flow:to_server,established; content:"|08|"; offset:4; depth:1; byte_jump:1,0,relative; content:"|05 04|"; within:2; byte_jump:1,0,relative; content:"|70|"; byte_jump:1,0,relative; content:"|7E|"; within:1; byte_test:1,!&,0x0F,3,relative; isdataat:31; classtype:misc-activity; sid:2022024; rev:1; metadata:created_at 2015_11_03, updated_at 2015_11_03;)

Added 2021-09-21 20:00:24 UTC


alert tcp $EXTERNAL_NET any -> $HOME_NET 1720 (msg:"ET VOIP H.323 in Q.931 Call Setup - Inbound"; flow:to_server,established; content:"|08|"; offset:4; depth:1; byte_jump:1,0,relative; content:"|05 04|"; within:2; byte_jump:1,0,relative; content:"|70|"; byte_jump:1,0,relative; content:"|7E|"; within:1; byte_test:1,!&,0x0F,3,relative; isdataat:31; classtype:misc-activity; sid:2022024; rev:1; metadata:created_at 2015_11_02, updated_at 2015_11_02;)

Added 2018-09-13 19:51:53 UTC


Added 2018-09-13 18:00:29 UTC


alert tcp $EXTERNAL_NET any -> $HOME_NET 1720 (msg:"ET VOIP H.323 in Q.931 Call Setup - Inbound"; flow:to_server,established; content:"|08|"; offset:4; depth:1; byte_jump:1,0,relative; content:"|05 04|"; within:2; byte_jump:1,0,relative; content:"|70|"; byte_jump:1,0,relative; content:"|7E|"; within:1; byte_test:1,!&,0x0F,3,relative; isdataat:31; classtype:misc-activity; sid:2022024; rev:1; metadata:created_at 2015_11_02, updated_at 2015_11_02;)

Added 2017-08-07 21:16:49 UTC


alert tcp $EXTERNAL_NET any -> $HOME_NET 1720 (msg:"ET VOIP H.323 in Q.931 Call Setup - Inbound"; flow:to_server,established; content:"|08|"; offset:4; depth:1; byte_jump:1,0,relative; content:"|05 04|"; within:2; byte_jump:1,0,relative; content:"|70|"; byte_jump:1,0,relative; content:"|7E|"; within:1; byte_test:1,!&,0x0F,3,relative; isdataat:31; classtype:misc-activity; sid:2022024; rev:1;)

Added 2015-11-02 17:32:10 UTC


Topic revision: r1 - 2021-09-22 - TWikiGuest
 
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