alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Kraken Ransomware Start Activity 1"; flow:established,to_server; content:!"."; http_uri; content:!"&"; http_uri; content:!"?"; http_uri; content:"-"; offset:2; depth:1; http_user_agent; content:"|3a|Begin"; distance:0; http_user_agent; isdataat:!1,relative; fast_pattern; pcre:"/^[A-Z]{2}-[0-9]{1,5}\x3aBegin$/V"; http_header_names; content:!"Accept"; content:!"Referer"; reference:md5,09d3bd874d9a303771c89385d938c430; classtype:trojan-activity; sid:2026471; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_10_11, deployment Perimeter, former_category MALWARE, malware_family Kraken_Ransomware, signature_severity Major, tag Ransomware, updated_at 2020_09_16, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact;)

Added 2021-10-04 19:24:58 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Kraken Ransomware Start Activity 1"; flow:established,to_server; content:!"."; http_uri; content:!"&"; http_uri; content:!"?"; http_uri; content:"-"; offset:2; depth:1; http_user_agent; content:"|3a|Begin"; distance:0; http_user_agent; isdataat:!1,relative; fast_pattern; pcre:"/^[A-Z]{2}-[0-9]{1,5}\x3aBegin$/V"; http_header_names; content:!"Accept"; content:!"Referer"; reference:md5,09d3bd874d9a303771c89385d938c430; classtype:trojan-activity; sid:2026471; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_10_11, deployment Perimeter, former_category TROJAN, malware_family Kraken_Ransomware, performance_impact Moderate, signature_severity Major, updated_at 2020_09_16;)

Added 2020-09-16 18:29:58 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Kraken Ransomware Start Activity 1"; flow:established,to_server; content:!"."; http_uri; content:!"&"; http_uri; content:!"?"; http_uri; content:"-"; offset:2; depth:1; http_user_agent; content:"|3a|Begin"; distance:0; http_user_agent; isdataat:!1,relative; fast_pattern; pcre:"/^[A-Z]{2}-[0-9]{1,5}\x3aBegin$/V"; http_header_names; content:!"Accept"; content:!"Referer"; reference:md5,09d3bd874d9a303771c89385d938c430; classtype:trojan-activity; sid:2026471; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_10_11, deployment Perimeter, former_category TROJAN, malware_family Kraken_Ransomware, performance_impact Moderate, signature_severity Major, updated_at 2019_09_28;)

Added 2020-08-05 19:15:30 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Kraken Ransomware Start Activity 1"; flow:established,to_server; content:!"."; http_uri; content:!"&"; http_uri; content:!"?"; http_uri; content:"-"; offset:2; depth:1; http_user_agent; content:"|3a|Begin"; distance:0; http_user_agent; isdataat:!1,relative; fast_pattern; pcre:"/^[A-Z]{2}-[0-9]{1,5}\x3aBegin$/V"; http_header_names; content:!"Accept"; content:!"Referer"; metadata: former_category TROJAN; reference:md5,09d3bd874d9a303771c89385d938c430; classtype:trojan-activity; sid:2026471; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, deployment Perimeter, signature_severity Major, created_at 2018_10_11, malware_family Kraken_Ransomware, performance_impact Moderate, updated_at 2019_09_28;)

Added 2019-10-01 08:29:22 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Kraken Ransomware Start Activity 1"; flow:established,to_server; content:!"."; http_uri; content:!"&"; http_uri; content:!"?"; http_uri; content:"-"; offset:2; depth:1; http_user_agent; content:"|3a|Begin"; distance:0; http_user_agent; isdataat:!1,relative; fast_pattern; pcre:"/^[A-Z]{2}-[0-9]{1,5}\x3aBegin$/V"; http_header_names; content:!"Accept"; content:!"Referer"; metadata: former_category TROJAN; reference:md5,09d3bd874d9a303771c89385d938c430; classtype:trojan-activity; sid:2026471; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, deployment Perimeter, signature_severity Major, created_at 2018_10_11, malware_family Kraken_Ransomware, performance_impact Moderate, updated_at 2019_09_28;)

Added 2019-10-01 04:23:45 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Kraken Ransomware Start Activity 1"; flow:established,to_server; content:!"."; http_uri; content:!"&"; http_uri; content:!"?"; http_uri; content:"-"; offset:2; depth:1; http_user_agent; content:"|3a|Begin"; distance:0; http_user_agent; isdataat:!1,relative; fast_pattern; pcre:"/^[A-Z]{2}-[0-9]{1,5}\x3aBegin$/V"; http_header_names; content:!"Accept"; content:!"Referer"; metadata: former_category TROJAN; reference:md5,09d3bd874d9a303771c89385d938c430; classtype:trojan-activity; sid:2026471; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, deployment Perimeter, signature_severity Major, created_at 2018_10_11, malware_family Kraken_Ransomware, performance_impact Moderate, updated_at 2018_10_11;)

Added 2018-10-11 17:42:02 UTC


Topic revision: r1 - 2021-10-04 - TWikiGuest
 
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