#alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET CURRENT_EVENTS Possible Locky AlphaNum? Downloader Oct 3 2016"; flow:from_server,established; flowbits:isnotset,ET.http.binary; flowbits:isset,ET.LockyDL; content:"ETag|3a|"; http_header; content:!"Content-Disposition|3a|"; http_header; content:!"Cookie|3a|"; content:"Content-Length|3a 20|1"; http_header; fast_pattern:only; pcre:"/^Content-Length\x3a\x201[6-8]\d{4}\r?$/Hm"; file_data; content:!"MZ"; within:2; content:!"PK"; within:2; content:!"GIF"; within:3; content:!"|FF D8 FF|"; within:3; content:!"CWS"; within:3; content:!"ZWS"; within:3; pcre:"/^.{4}[\x0a-\x7f]{0,100}[\x00-x09\x80-\xff]/s"; metadata: former_category CURRENT_EVENTS; classtype:trojan-activity; sid:2023316; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, deployment Perimeter, signature_severity Major, created_at 2016_10_03, malware_family Locky, updated_at 2016_10_03;)

Added 2019-08-15 20:33:37 UTC


alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET CURRENT_EVENTS Possible Locky AlphaNum? Downloader Oct 3 2016"; flow:from_server,established; flowbits:isnotset,ET.http.binary; flowbits:isset,ET.LockyDL; content:"ETag|3a|"; http_header; content:!"Content-Disposition|3a|"; http_header; content:!"Cookie|3a|"; content:"Content-Length|3a 20|1"; http_header; fast_pattern:only; pcre:"/^Content-Length\x3a\x201[6-8]\d{4}\r?$/Hm"; file_data; content:!"MZ"; within:2; content:!"PK"; within:2; content:!"GIF"; within:3; content:!"|FF D8 FF|"; within:3; content:!"CWS"; within:3; content:!"ZWS"; within:3; pcre:"/^.{4}[\x0a-\x7f]{0,100}[\x00-x09\x80-\xff]/s"; classtype:trojan-activity; sid:2023316; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, deployment Perimeter, signature_severity Major, created_at 2016_10_03, malware_family Locky, updated_at 2016_10_03;)

Added 2018-09-13 19:52:59 UTC


Added 2018-09-13 18:01:10 UTC


alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET CURRENT_EVENTS Possible Locky AlphaNum? Downloader Oct 3 2016"; flow:from_server,established; flowbits:isnotset,ET.http.binary; flowbits:isset,ET.LockyDL; content:"ETag|3a|"; http_header; content:!"Content-Disposition|3a|"; http_header; content:!"Cookie|3a|"; content:"Content-Length|3a 20|1"; http_header; fast_pattern:only; pcre:"/^Content-Length\x3a\x201[6-8]\d{4}\r?$/Hm"; file_data; content:!"MZ"; within:2; content:!"PK"; within:2; content:!"GIF"; within:3; content:!"|FF D8 FF|"; within:3; content:!"CWS"; within:3; content:!"ZWS"; within:3; pcre:"/^.{4}[\x0a-\x7f]{0,100}[\x00-x09\x80-\xff]/s"; classtype:trojan-activity; sid:2023316; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, deployment Perimeter, signature_severity Major, created_at 2016_10_03, malware_family Locky, updated_at 2016_10_03;)

Added 2017-08-07 21:18:25 UTC


alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET CURRENT_EVENTS Possible Locky AlphaNum? Downloader Oct 3 2016"; flow:from_server,established; flowbits:isnotset,ET.http.binary; flowbits:isset,ET.LockyDL; content:"ETag|3a|"; http_header; content:!"Content-Disposition|3a|"; http_header; content:!"Cookie|3a|"; content:"Content-Length|3a 20|1"; http_header; fast_pattern:only; pcre:"/^Content-Length\x3a\x201[6-8]\d{4}\r?$/Hm"; file_data; content:!"MZ"; within:2; content:!"PK"; within:2; content:!"GIF"; within:3; content:!"|FF D8 FF|"; within:3; content:!"CWS"; within:3; content:!"ZWS"; within:3; pcre:"/^.{4}[\x0a-\x7f]{0,100}[\x00-x09\x80-\xff]/s"; classtype:trojan-activity; sid:2023316; rev:2;)

Added 2016-10-18 10:39:33 UTC


alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET CURRENT_EVENTS Possible Locky AlphaNum? Downloader Oct 3 2016"; flow:from_server,established; flowbits:isnotset,ET.http.binary; flowbits:isset,ET.LockyDL; content:"ETag|3a|"; http_header; content:!"Content-Disposition|3a|"; http_header; content:!"Cookie|3a|"; content:"Content-Length|3a 20|1"; http_header; fast_pattern:only; pcre:"/^Content-Length\x3a\x201[6-8]\d{4}\r?$/Hm"; file_data; content:!"MZ"; within:2; content:!"PK"; within:2; content:!"GIF"; within:3; content:!"|FF D8 FF|"; within:3; content:!"CWS"; within:3; content:!"ZWS"; within:3; pcre:"/^.{4}[\x0a-\x7f]{0,100}[\x00-x09\x80-\xff]/s"; classtype:trojan-activity; sid:2023316; rev:2;)

Added 2016-10-18 10:39:33 UTC


alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET CURRENT_EVENTS Possible Locky AlphaNum? Downloader Oct 3 2016"; flow:from_server,established; flowbits:isnotset,ET.http.binary; flowbits:isset,ET.LockyDL; content:"ETag|3a|"; http_header; content:!"Content-Disposition|3a|"; http_header; content:!"Cookie|3a|"; content:"Content-Length|3a 20|1"; http_header; fast_pattern:only; pcre:"/^Content-Length\x3a\x201[6-8]\d{4}\r?$/Hm"; file_data; content:!"MZ"; within:2; content:!"PK"; within:2; content:!"GIF"; within:3; content:!"|FF D8 FF|"; within:3; content:!"CWS"; within:3; content:!"ZWS"; within:3; pcre:"/^.{4}[\x0a-\x7f]{0,100}[\x00-x09\x80-\xff]/s"; classtype:trojan-activity; sid:2023316; rev:2;)

Added 2016-10-18 10:37:01 UTC


alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET CURRENT_EVENTS Possible Locky AlphaNum? Downloader Oct 3 2016"; flow:from_server,established; flowbits:isnotset,ET.http.binary; flowbits:isset,ET.LockyDL; content:"ETag|3a|"; http_header; content:!"Content-Disposition|3a|"; http_header; content:!"Cookie|3a|"; content:"Content-Length|3a 20|1"; http_header; fast_pattern:only; pcre:"/^Content-Length\x3a\x201[6-8]\d{4}\r?$/Hm"; file_data; content:!"MZ"; within:2; content:!"PK"; within:2; content:!"GIF"; within:3; content:!"|FF D8 FF|"; within:3; content:!"CWS"; within:3; content:!"ZWS"; within:3; pcre:"/^.{4}[\x0a-\x7f]{0,100}[\x00-x09\x80-\xff]/s"; classtype:trojan-activity; sid:2023316; rev:2;)

Added 2016-10-18 10:37:00 UTC


alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET CURRENT_EVENTS Possible Locky AlphaNum? Downloader Oct 3 2016"; flow:from_server,established; flowbits:isnotset,ET.http.binary; flowbits:isset,ET.LockyDL; content:"ETag|3a|"; http_header; content:!"Content-Disposition|3a|"; http_header; content:!"Cookie|3a|"; content:"Content-Length|3a 20|1"; http_header; fast_pattern:only; pcre:"/^Content-Length\x3a\x201[6-8]\d{4}\r?$/Hm"; file_data; content:!"MZ"; within:2; content:!"PK"; within:2; content:!"GIF"; within:3; content:!"|FF D8 FF|"; within:3; content:!"CWS"; within:3; content:!"ZWS"; within:3; pcre:"/^.{4}[\x0a-\x7f]{0,100}[\x00-x09\x80-\xff]/s"; classtype:trojan-activity; sid:2023316; rev:2;)

Added 2016-10-18 10:33:35 UTC


alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET CURRENT_EVENTS Possible Locky AlphaNum? Downloader Oct 3 2016"; flow:from_server,established; flowbits:isnotset,ET.http.binary; flowbits:isset,ET.LockyDL; content:"ETag|3a|"; http_header; content:!"Content-Disposition|3a|"; http_header; content:!"Cookie|3a|"; content:"Content-Length|3a 20|1"; http_header; fast_pattern:only; pcre:"/^Content-Length\x3a\x201[6-8]\d{4}\r?$/Hm"; file_data; content:!"MZ"; within:2; content:!"PK"; within:2; content:!"GIF"; within:3; content:!"|FF D8 FF|"; within:3; content:!"CWS"; within:3; content:!"ZWS"; within:3; pcre:"/^.{4}[\x0a-\x7f]{0,100}[\x00-x09\x80-\xff]/s"; classtype:trojan-activity; sid:2023316; rev:2;)

Added 2016-10-18 10:33:35 UTC


alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET CURRENT_EVENTS Possible Locky AlphaNum? Downloader Oct 3 2016"; flow:from_server,established; flowbits:isnotset,ET.http.binary; flowbits:isset,ET.LockyDL; content:"ETag|3a|"; http_header; content:!"Content-Disposition|3a|"; http_header; content:!"Cookie|3a|"; content:"Content-Length|3a 20|1"; http_header; fast_pattern:only; pcre:"/^Content-Length\x3a\x201[6-8]\d{4}\r?$/Hm"; file_data; content:!"MZ"; within:2; content:!"PK"; within:2; content:!"GIF"; within:3; content:!"|FF D8 FF|"; within:3; content:!"CWS"; within:3; content:!"ZWS"; within:3; pcre:"/^.{4}[\x0a-\x7f]{0,100}[\x00-x09\x80-\xff]/s"; classtype:trojan-activity; sid:2023316; rev:2;)

Added 2016-10-18 10:18:37 UTC


alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET CURRENT_EVENTS Possible Locky AlphaNum? Downloader Oct 3 2016"; flow:from_server,established; flowbits:isnotset,ET.http.binary; flowbits:isset,ET.LockyDL; content:"ETag|3a|"; http_header; content:!"Content-Disposition|3a|"; http_header; content:!"Cookie|3a|"; content:"Content-Length|3a 20|1"; http_header; fast_pattern:only; pcre:"/^Content-Length\x3a\x201[6-8]\d{4}\r?$/Hm"; file_data; content:!"MZ"; within:2; content:!"PK"; within:2; content:!"GIF"; within:3; content:!"|FF D8 FF|"; within:3; content:!"CWS"; within:3; content:!"ZWS"; within:3; pcre:"/^.{4}[\x0a-\x7f]{0,100}[\x00-x09\x80-\xff]/s"; classtype:trojan-activity; sid:2023316; rev:2;)

Added 2016-10-18 10:18:37 UTC


alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET CURRENT_EVENTS Possible Locky AlphaNum? Downloader Oct 3 2016"; flow:from_server,established; flowbits:isnotset,ET.http.binary; flowbits:isset,ET.LockyDL; content:"ETag|3a|"; http_header; content:!"Content-Disposition|3a|"; http_header; content:!"Cookie|3a|"; content:"Content-Length|3a 20|1"; http_header; fast_pattern:only; pcre:"/^Content-Length\x3a\x201[6-8]\d{4}\r?$/Hm"; file_data; content:!"MZ"; within:2; content:!"PK"; within:2; content:!"GIF"; within:3; content:!"|FF D8 FF|"; within:3; content:!"CWS"; within:3; content:!"ZWS"; within:3; pcre:"/^.{4}[\x0a-\x7f]{0,100}[\x00-x09\x80-\xff]/s"; classtype:trojan-activity; sid:2023316; rev:2;)

Added 2016-10-17 17:37:29 UTC


alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET CURRENT_EVENTS Possible Locky AlphaNum? Downloader Oct 3 2016"; flow:from_server,established; flowbits:isnotset,ET.http.binary; flowbits:isset,ET.LockyDL; content:"ETag|3a|"; http_header; content:!"Content-Disposition|3a|"; http_header; content:!"Cookie|3a|"; content:"Content-Length|3a 20|1"; http_header; fast_pattern:only; pcre:"/^Content-Length\x3a\x201[6-8]\d{4}\r?$/Hm"; file_data; content:!"MZ"; within:2; content:!"PK"; within:2; content:!"GIF"; within:3; content:!"|FF D8 FF|"; within:3; content:!"CWS"; within:3; content:!"ZWS"; within:3; pcre:"/^.{4}[\x0a-\x7f]{0,100}[\x00-x09\x80-\xff]/s"; classtype:trojan-activity; sid:2023316; rev:2;)

Added 2016-10-17 17:37:29 UTC


alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET CURRENT_EVENTS Possible Locky AlphaNum? Downloader Oct 3 2016"; flow:from_server,established; flowbits:isnotset,ET.http.binary; flowbits:isset,ET.LockyDL; content:"ETag|3a|"; http_header; content:!"Content-Disposition|3a|"; http_header; content:!"Cookie|3a|"; content:"Content-Length|3a 20|1"; http_header; fast_pattern:only; pcre:"/^Content-Length\x3a\x201[6-8]\d{4}\r?$/Hm"; file_data; content:!"MZ"; within:2; content:!"PK"; within:2; content:!"GIF"; within:3; content:!"|FF D8 FF|"; within:3; content:!"CWS"; within:3; content:!"ZWS"; within:3; pcre:"/^.{4}[\x0a-\x7f]{0,100}[\x00-x09\x80-\xff]/s"; classtype:trojan-activity; sid:2023316; rev:2;)

Added 2016-10-14 16:57:02 UTC


alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET CURRENT_EVENTS Possible Locky AlphaNum? Downloader Oct 3 2016"; flow:from_server,established; flowbits:isnotset,ET.http.binary; flowbits:isset,ET.LockyDL; content:"ETag|3a|"; http_header; content:!"Content-Disposition|3a|"; http_header; content:!"Cookie|3a|"; content:"Content-Length|3a 20|1"; http_header; fast_pattern:only; pcre:"/^Content-Length\x3a\x201[6-8]\d{4}\r?$/Hm"; file_data; content:!"MZ"; within:2; content:!"PK"; within:2; content:!"GIF"; within:3; content:!"|FF D8 FF|"; within:3; content:!"CWS"; within:3; content:!"ZWS"; within:3; pcre:"/^.{4}[\x0a-\x7f]{0,100}[\x00-x09\x80-\xff]/s"; classtype:trojan-activity; sid:2023316; rev:2;)

Added 2016-10-14 16:57:02 UTC


alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET CURRENT_EVENTS Possible Locky AlphaNum? Downloader Oct 3 2016"; flow:from_server,established; flowbits:isnotset,ET.http.binary; flowbits:isset,ET.LockyDL; content:"ETag|3a|"; http_header; content:!"Content-Disposition|3a|"; http_header; content:!"Cookie|3a|"; content:"Content-Length|3a 20|1"; http_header; fast_pattern:only; pcre:"/^Content-Length\x3a\x201[6-8]\d{4}\r?$/Hm"; file_data; content:!"MZ"; within:2; content:!"PK"; within:2; content:!"GIF"; within:3; content:!"|FF D8 FF|"; within:3; content:!"CWS"; within:3; content:!"ZWS"; within:3; pcre:"/^.{4}[\x0a-\x7f]{0,100}[\x00-x09\x80-\xff]/s"; classtype:trojan-activity; sid:2023316; rev:2;)

Added 2016-10-13 16:52:48 UTC


alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET CURRENT_EVENTS Possible Locky AlphaNum? Downloader Oct 3 2016"; flow:from_server,established; flowbits:isnotset,ET.http.binary; flowbits:isset,ET.LockyDL; content:"ETag|3a|"; http_header; content:!"Content-Disposition|3a|"; http_header; content:!"Cookie|3a|"; content:"Content-Length|3a 20|1"; http_header; fast_pattern:only; pcre:"/^Content-Length\x3a\x201[6-8]\d{4}\r?$/Hm"; file_data; content:!"MZ"; within:2; content:!"PK"; within:2; content:!"GIF"; within:3; content:!"|FF D8 FF|"; within:3; content:!"CWS"; within:3; content:!"ZWS"; within:3; pcre:"/^.{4}[\x0a-\x7f]{0,100}[\x00-x09\x80-\xff]/s"; classtype:trojan-activity; sid:2023316; rev:2;)

Added 2016-10-12 16:47:07 UTC


alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET CURRENT_EVENTS Possible Locky AlphaNum? Downloader Oct 3 2016"; flow:from_server,established; flowbits:isnotset,ET.http.binary; flowbits:isset,ET.LockyDL; content:"ETag|3a|"; http_header; content:!"Content-Disposition|3a|"; http_header; content:!"Cookie|3a|"; content:"Content-Length|3a 20|1"; http_header; fast_pattern:only; pcre:"/^Content-Length\x3a\x201[6-8]\d{4}\r?$/Hm"; file_data; content:!"MZ"; within:2; content:!"PK"; within:2; content:!"GIF"; within:3; content:!"|FF D8 FF|"; within:3; content:!"CWS"; within:3; content:!"ZWS"; within:3; pcre:"/^.{4}[\x0a-\x7f]{0,100}[\x00-x09\x80-\xff]/s"; classtype:trojan-activity; sid:2023316; rev:2;)

Added 2016-10-11 16:53:07 UTC


alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET CURRENT_EVENTS Possible Locky AlphaNum? Downloader Oct 3 2016"; flow:from_server,established; flowbits:isnotset,ET.http.binary; flowbits:isset,ET.LockyDL; content:"ETag|3a|"; http_header; content:!"Content-Disposition|3a|"; http_header; content:!"Cookie|3a|"; content:"Content-Length|3a 20|1"; http_header; fast_pattern:only; pcre:"/^Content-Length\x3a\x201[6-8]\d{4}\r?$/Hm"; file_data; content:!"MZ"; within:2; content:!"PK"; within:2; content:!"GIF"; within:3; content:!"|FF D8 FF|"; within:3; content:!"CWS"; within:3; content:!"ZWS"; within:3; pcre:"/^.{4}[\x0a-\x7f]{0,100}[\x00-x09\x80-\xff]/s"; classtype:trojan-activity; sid:2023316; rev:2;)

Added 2016-10-10 18:47:44 UTC


alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET CURRENT_EVENTS Possible Locky AlphaNum? Downloader Oct 3 2016"; flow:from_server,established; flowbits:isnotset,ET.http.binary; flowbits:isset,ET.LockyDL; content:"ETag|3a|"; http_header; content:!"Content-Disposition|3a|"; http_header; content:!"Cookie|3a|"; content:"Content-Length|3a 20|1"; http_header; fast_pattern:only; pcre:"/^Content-Length\x3a\x201[6-8]\d{4}\r?$/Hm"; file_data; content:!"MZ"; within:2; content:!"PK"; within:2; content:!"GIF"; within:3; content:!"|FF D8 FF|"; within:3; content:!"CWS"; within:3; content:!"ZWS"; within:3; pcre:"/^.{4}[\x0a-\x7f]{0,100}[\x00-x09\x80-\xff]/s"; classtype:trojan-activity; sid:2023316; rev:2;)

Added 2016-10-07 18:35:20 UTC


alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET CURRENT_EVENTS Possible Locky AlphaNum? Downloader Oct 3 2016"; flow:from_server,established; flowbits:isnotset,ET.http.binary; flowbits:isset,ET.LockyDL; content:"ETag|3a|"; http_header; content:!"Content-Disposition|3a|"; http_header; content:!"Cookie|3a|"; content:"Content-Length|3a 20|1"; http_header; fast_pattern:only; pcre:"/^Content-Length\x3a\x201[6-8]\d{4}\r?$/Hm"; file_data; content:!"MZ"; within:2; content:!"PK"; within:2; content:!"GIF"; within:3; content:!"|FF D8 FF|"; within:3; content:!"CWS"; within:3; content:!"ZWS"; within:3; pcre:"/^.{4}[\x0a-\x7f]{0,100}[\x00-x09\x80-\xff]/s"; classtype:trojan-activity; sid:2023316; rev:2;)

Added 2016-10-06 18:31:35 UTC


alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET CURRENT_EVENTS Possible Locky AlphaNum? Downloader Oct 3 2016"; flow:from_server,established; flowbits:isnotset,ET.http.binary; flowbits:isset,ET.LockyDL; content:"ETag|3a|"; http_header; content:!"Content-Disposition|3a|"; http_header; content:!"Cookie|3a|"; content:"Content-Length|3a 20|1"; http_header; fast_pattern:only; pcre:"/^Content-Length\x3a\x201[6-8]\d{4}\r?$/Hm"; file_data; content:!"MZ"; within:2; content:!"PK"; within:2; content:!"GIF"; within:3; content:!"|FF D8 FF|"; within:3; content:!"CWS"; within:3; content:!"ZWS"; within:3; pcre:"/^.{4}[\x0a-\x7f]{0,100}[\x00-x09\x80-\xff]/s"; classtype:trojan-activity; sid:2023316; rev:2;)

Added 2016-10-06 12:58:48 UTC


alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET CURRENT_EVENTS Possible Locky AlphaNum? Downloader Oct 3 2016"; flow:from_server,established; flowbits:isnotset,ET.http.binary; flowbits:isset,ET.LockyDL; content:"ETag|3a|"; http_header; content:!"Content-Disposition|3a|"; http_header; content:!"Cookie|3a|"; content:"Content-Length|3a 20|1"; http_header; fast_pattern:only; pcre:"/^Content-Length\x3a\x201[6-8]\d{4}\r?$/Hm"; file_data; content:!"MZ"; within:2; content:!"PK"; within:2; content:!"GIF"; within:3; content:!"|FF D8 FF|"; within:3; content:!"CWS"; within:3; content:!"ZWS"; within:3; pcre:"/^.{4}[\x0a-\x7f]{0,100}[\x00-x09\x80-\xff]/s"; classtype:trojan-activity; sid:2023316; rev:2;)

Added 2016-10-05 19:27:12 UTC


alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET CURRENT_EVENTS Possible Locky AlphaNum? Downloader Oct 3 2016"; flow:from_server,established; flowbits:isnotset,ET.http.binary; flowbits:isset,ET.LockyDL; content:"ETag|3a|"; http_header; content:!"Content-Disposition|3a|"; http_header; content:!"Cookie|3a|"; content:"Content-Length|3a 20|1"; http_header; fast_pattern:only; pcre:"/^Content-Length\x3a\x201[6-8]\d{4}\r?$/Hm"; file_data; content:!"MZ"; within:2; content:!"PK"; within:2; content:!"GIF"; within:3; content:!"|FF D8 FF|"; within:3; content:!"CWS"; within:3; content:!"ZWS"; within:3; pcre:"/^.{4}[\x0a-\x7f]{0,100}[\x00-x09\x80-\xff]/s"; classtype:trojan-activity; sid:2023316; rev:2;)

Added 2016-10-05 18:58:47 UTC


alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET CURRENT_EVENTS Possible Locky AlphaNum? Downloader Oct 3 2016"; flow:from_server,established; flowbits:isnotset,ET.http.binary; flowbits:isset,ET.LockyDL; content:"ETag|3a|"; http_header; content:!"Content-Disposition|3a|"; http_header; content:!"Cookie|3a|"; content:"Content-Length|3a 20|1"; http_header; fast_pattern:only; pcre:"/^Content-Length\x3a\x201[6-8]\d{4}\r?$/Hm"; file_data; content:!"MZ"; within:2; content:!"PK"; within:2; content:!"GIF"; within:3; content:!"|FF D8 FF|"; within:3; content:!"CWS"; within:3; content:!"ZWS"; within:3; pcre:"/^.{4}[\x0a-\x7f]{0,100}[\x00-x09\x80-\xff]/s"; classtype:trojan-activity; sid:2023316; rev:2;)

Added 2016-10-05 17:27:08 UTC


alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET CURRENT_EVENTS Possible Locky AlphaNum? Downloader Oct 3 2016"; flow:from_server,established; flowbits:isnotset,ET.http.binary; flowbits:isset,ET.LockyDL; content:"ETag|3a|"; http_header; content:!"Content-Disposition|3a|"; http_header; content:!"Cookie|3a|"; content:"Content-Length|3a 20|1"; http_header; fast_pattern:only; pcre:"/^Content-Length\x3a\x201[6-8]\d{4}\r?$/Hm"; file_data; content:!"MZ"; within:2; content:!"PK"; within:2; content:!"GIF"; within:3; content:!"|FF D8 FF|"; within:3; content:!"CWS"; within:3; content:!"ZWS"; within:3; pcre:"/^.{4}[\x0a-\x7f]{0,100}[\x00-x09\x80-\xff]/s"; classtype:trojan-activity; sid:2023316; rev:2;)

Added 2016-10-04 19:18:41 UTC


alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET CURRENT_EVENTS Possible Locky AlphaNum? Downloader Oct 3 2016"; flow:from_server,established; flowbits:isnotset,ET.http.binary; flowbits:isset,ET.LockyDL; content:"ETag|3a|"; http_header; content:!"Content-Disposition|3a|"; http_header; content:!"Cookie|3a|"; content:"Content-Length|3a 20|1"; http_header; fast_pattern:only; pcre:"/^Content-Length\x3a\x201[6-8]\d{4}\r?$/Hm"; file_data; content:!"MZ"; within:2; content:!"PK"; within:2; content:!"GIF"; within:3; content:!"|FF D8 FF|"; within:3; content:!"CWS"; within:3; content:!"ZWS"; within:3; pcre:"/^.{4}[\x0a-\x7f]{0,100}[\x00-x09\x80-\xff]/s"; classtype:trojan-activity; sid:2023316; rev:2;)

Added 2016-10-04 16:32:23 UTC


alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET CURRENT_EVENTS Possible Locky AlphaNum? Downloader Oct 3 2016"; flow:from_server,established; flowbits:isnotset,ET.http.binary; flowbits:isset,ET.LockyDL; content:"ETag|3a|"; http_header; content:!"Content-Disposition|3a|"; http_header; content:!"Cookie|3a|"; content:"Content-Length|3a 20|1"; http_header; fast_pattern:only; pcre:"/^Content-Length\x3a\x201[6-8]\d{4}\r?$/Hm"; file_data; content:!"MZ"; within:2; content:!"PK"; within:2; content:!"GIF"; within:3; content:!"|FF D8 FF|"; within:3; content:!"CWS"; within:3; content:!"ZWS"; within:3; pcre:"/^.{4}[\x0a-\x7f]{0,100}[\x00-x09\x80-\xff]/s"; classtype:trojan-activity; sid:2023316; rev:2;)

Added 2016-10-04 16:26:49 UTC


alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET CURRENT_EVENTS Possible Locky AlphaNum? Downloader Oct 3 2016"; flow:from_server,established; flowbits:isnotset,ET.http.binary; flowbits:isset,ET.LockyDL; content:"ETag|3a|"; http_header; content:!"Content-Disposition|3a|"; http_header; content:!"Cookie|3a|"; content:"Content-Length|3a 20|1"; http_header; fast_pattern:only; pcre:"/^Content-Length\x3a\x201[6-8]\d{4}\r?$/Hm"; file_data; content:!"MZ"; within:2; content:!"PK"; within:2; content:!"GIF"; within:3; content:!"|FF D8 FF|"; within:3; content:!"CWS"; within:3; content:!"ZWS"; within:3; pcre:"/^.{4}[\x0a-\x7f]{0,100}[\x00-x09\x80-\xff]/s"; classtype:trojan-activity; sid:2023316; rev:2;)

Added 2016-10-04 16:15:45 UTC


alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET CURRENT_EVENTS Possible Locky AlphaNum? Downloader Oct 3 2016"; flow:from_server,established; flowbits:isnotset,ET.http.binary; flowbits:isset,ET.LockyDL; content:"ETag|3a|"; http_header; content:!"Content-Disposition|3a|"; http_header; content:!"Cookie|3a|"; content:"Content-Length|3a 20|1"; http_header; fast_pattern:only; pcre:"/^Content-Length\x3a\x201[6-8]\d{4}\r?$/Hm"; file_data; content:!"MZ"; within:2; content:!"PK"; within:2; content:!"GIF"; within:3; content:!"|FF D8 FF|"; within:3; content:!"CWS"; within:3; content:!"ZWS"; within:3; pcre:"/^.{4}[\x0a-\x7f]{0,100}[\x00-x09\x80-\xff]/s"; classtype:trojan-activity; sid:2023316; rev:2;)

Added 2016-10-03 18:29:12 UTC


Topic revision: r1 - 2019-08-16 - TWikiGuest
 
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