alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET TROJAN Known Sinkhole Response Header CERT.PL"; flow:established,from_server; content:"Content-Length|3a| 24|0d 0a|"; http_header; file_data; content:"Sinkholed by CERT.PL"; within:24; fast_pattern; classtype:trojan-activity; sid:2020172; rev:2; metadata:created_at 2015_01_13, updated_at 2020_11_17;)

Added 2020-11-17 18:19:12 UTC

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET TROJAN Known Sinkhole Response Header CERT.PL"; flow:established,from_server; content:"Content-Length|3a| 24|0d 0a|"; http_header; file_data; content:"Sinkholed by CERT.PL"; within:24; fast_pattern; classtype:trojan-activity; sid:2020172; rev:2; metadata:created_at 2015_01_13, updated_at 2020_05_14;)

Added 2020-05-14 18:56:09 UTC

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET TROJAN Known Sinkhole Response Header CERT.PL"; flow:established,from_server; content:"Content-Length|3a| 24|0d 0a|"; http_header; file_data; content:"Sinkholed by CERT.PL"; within:24; fast_pattern; classtype:trojan-activity; sid:2020172; rev:2; metadata:created_at 2015_01_13, updated_at 2015_01_13;)

Added 2018-09-13 19:50:18 UTC

Added 2018-09-13 17:59:34 UTC

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET TROJAN Known Sinkhole Response Header CERT.PL"; flow:established,from_server; content:"Content-Length|3a| 24|0d 0a|"; http_header; file_data; content:"Sinkholed by CERT.PL"; within:24; fast_pattern; classtype:trojan-activity; sid:2020172; rev:2; metadata:created_at 2015_01_13, updated_at 2015_01_13;)

Added 2017-08-07 21:14:35 UTC