#alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET DELETED BlackHole EK Non-standard base64 Key"; flow:established,from_server; file_data; content:"var "; content:" = |22|"; within:10; content:!"|22|"; within:65; content:"|22|"; distance:65; within:1; content:!"0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"; distance:-66; within:62; content:!"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; distance:-66; within:62; content:!"abcdefghijklmnopqrstuvwxyz0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"; distance:-66; within:62; content:!"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"; distance:-66; within:62; content:!"ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz"; distance:-66; within:62; content:!"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"; distance:-66; within:62; content:" & 15) << 4)"; fast_pattern:only; flowbits:set,et.exploitkitlanding; classtype:trojan-activity; sid:2017265; rev:6; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2013_08_01, deployment Perimeter, former_category CURRENT_EVENTS, malware_family Blackhole, signature_severity Critical, tag Blackhole, tag Exploit_Kit, updated_at 2018_01_25;)

Added 2022-05-19 19:06:19 UTC


#alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET DELETED BlackHole EK Non-standard base64 Key"; flow:established,from_server; file_data; content:"var "; content:" = |22|"; within:10; content:!"|22|"; within:65; content:"|22|"; distance:65; within:1; content:!"0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"; distance:-66; within:62; content:!"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; distance:-66; within:62; content:!"abcdefghijklmnopqrstuvwxyz0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"; distance:-66; within:62; content:!"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"; distance:-66; within:62; content:!"ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz"; distance:-66; within:62; content:!"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"; distance:-66; within:62; content:" & 15) << 4)"; fast_pattern:only; flowbits:set,et.exploitkitlanding; classtype:trojan-activity; sid:2017265; rev:5; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2013_08_01, deployment Perimeter, former_category CURRENT_EVENTS, malware_family Blackhole, signature_severity Critical, tag Blackhole, tag Exploit_Kit, updated_at 2018_01_25;)

Added 2020-08-05 19:09:12 UTC


#alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET DELETED BlackHole EK Non-standard base64 Key"; flow:established,from_server; file_data; content:"var "; content:" = |22|"; within:10; content:!"|22|"; within:65; content:"|22|"; distance:65; within:1; content:!"0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"; distance:-66; within:62; content:!"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; distance:-66; within:62; content:!"abcdefghijklmnopqrstuvwxyz0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"; distance:-66; within:62; content:!"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"; distance:-66; within:62; content:!"ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz"; distance:-66; within:62; content:!"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"; distance:-66; within:62; content:" & 15) << 4)"; fast_pattern:only; flowbits:set,et.exploitkitlanding; metadata: former_category CURRENT_EVENTS; classtype:trojan-activity; sid:2017265; rev:5; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, deployment Perimeter, tag Blackhole, tag Exploit_Kit, signature_severity Critical, created_at 2013_08_01, malware_family Blackhole, updated_at 2018_01_25;)

Added 2018-01-25 16:54:46 UTC


alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET CURRENT_EVENTS BlackHole EK Non-standard base64 Key"; flow:established,from_server; file_data; content:"var "; content:" = |22|"; within:10; content:!"|22|"; within:65; content:"|22|"; distance:65; within:1; content:!"0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"; distance:-66; within:62; content:!"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; distance:-66; within:62; content:!"abcdefghijklmnopqrstuvwxyz0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"; distance:-66; within:62; content:!"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"; distance:-66; within:62; content:!"ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz"; distance:-66; within:62; content:!"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"; distance:-66; within:62; content:" & 15) << 4)"; fast_pattern:only; flowbits:set,et.exploitkitlanding; classtype:trojan-activity; sid:2017265; rev:5; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, deployment Perimeter, tag Blackhole, tag Exploit_Kit, signature_severity Critical, created_at 2013_08_01, malware_family Blackhole, updated_at 2016_07_01;)

Added 2017-08-07 21:11:08 UTC


alert tcp $EXTERNAL_NET $HTTP_PORTS -> $HOME_NET any (msg:"ET CURRENT_EVENTS BlackHole EK Non-standard base64 Key"; flow:established,from_server; file_data; content:"var "; content:" = |22|"; within:10; content:!"|22|"; within:65; content:"|22|"; distance:65; within:1; content:!"0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"; distance:-66; within:62; content:!"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; distance:-66; within:62; content:!"abcdefghijklmnopqrstuvwxyz0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"; distance:-66; within:62; content:!"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"; distance:-66; within:62; content:!"ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz"; distance:-66; within:62; content:!"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"; distance:-66; within:62; content:" & 15) << 4)"; fast_pattern:only; flowbits:set,et.exploitkitlanding; classtype:trojan-activity; sid:2017265; rev:5;)

Added 2013-08-13 17:17:59 UTC


alert tcp $EXTERNAL_NET $HTTP_PORTS -> $HOME_NET any (msg:"ET CURRENT_EVENTS BlackHole EK Non-standard base64 Key"; flow:established,from_server; file_data; content:"var "; content:" = |22|"; within:10; content:!"|22|"; within:65; content:"|22|"; distance:65; within:1; content:!"0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"; distance:-66; within:62; content:!"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; distance:-66; within:62; content:!"abcdefghijklmnopqrstuvwxyz0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"; distance:-66; within:62; content:!"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"; distance:-66; within:62; content:!"ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz"; distance:-66; within:62; content:!"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"; distance:-66; within:62; content:" & 15) << 4)"; fast_pattern:only; flowbits:set,et.exploitkitlanding; classtype:trojan-activity; sid:2017265; rev:5;)

Added 2013-08-13 16:50:11 UTC


alert tcp $EXTERNAL_NET $HTTP_PORTS -> $HOME_NET any (msg:"ET CURRENT_EVENTS BlackHole EK Non-standard base64 Key"; flow:established,from_server; file_data; content:"var "; content:" = |22|"; within:10; content:!"|22|"; within:65; content:"|22|"; distance:65; within:1; content:!"0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"; distance:-66; within:62; content:!"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; distance:-66; within:62; content:!"abcdefghijklmnopqrstuvwxyz0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"; distance:-66; within:62; content:!"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"; distance:-66; within:62; content:!"ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz"; distance:-66; within:62; content:!"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"; distance:-66; within:62; content:" & 15) << 4)"; fast_pattern:only; flowbits:set,et.exploitkitlanding; classtype:trojan-activity; sid:2017265; rev:5;)

Added 2013-08-13 01:59:05 UTC


alert tcp $EXTERNAL_NET $HTTP_PORTS -> $HOME_NET any (msg:"ET CURRENT_EVENTS BlackHole EK Non-standard base64 Key"; flow:established,from_server; file_data; content:"key = |22|"; content:!"|22|"; within:65; content:"|22|"; distance:65; within:1; content:!"0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"; distance:-66; within:62; content:!"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; distance:-66; within:62; content:!"abcdefghijklmnopqrstuvwxyz0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"; distance:-66; within:62; content:!"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"; distance:-66; within:62; content:!"ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz"; distance:-66; within:62; content:!"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"; distance:-66; within:62; flowbits:set,et.exploitkitlanding; classtype:trojan-activity; sid:2017265; rev:3;)

Added 2013-08-06 19:57:58 UTC


alert tcp $EXTERNAL_NET $HTTP_PORTS -> $HOME_NET any (msg:"ET CURRENT_EVENTS BlackHole EK Non-standard base64 Key"; flow:established,from_server; file_data; content:"var kkey = |22|"; content:!"|22|"; within:65; content:"|22|"; distance:65; within:1; content:!"0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"; distance:-66; within:62; content:!"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; distance:-66; within:62; content:!"abcdefghijklmnopqrstuvwxyz0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"; distance:-66; within:62; content:!"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"; distance:-66; within:62; content:!"ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz"; distance:-66; within:62; content:!"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"; distance:-66; within:62; flowbits:set,et.exploitkitlanding; classtype:trojan-activity; sid:2017265; rev:2;)

Added 2013-08-01 13:04:12 UTC


Topic revision: r1 - 2022-05-19 - TWikiGuest
 
This site is powered by the TWiki collaboration platform Powered by Perl This site is powered by the TWiki collaboration platformCopyright © Emerging Threats