alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN MSIL/Unk.HT-Based Ransomware CnC? Checkin"; flow:established,to_server; content:"POST"; http_method; content:".php"; http_uri; content:"hostname=csharp-"; http_client_body; depth:16; fast_pattern; content:"&enckey="; http_client_body; distance:0; content:!"User-Agent|3a|"; http_header; content:!"Referer|3a|"; http_header; reference:md5,2aa11c090fd0737e52cd532418c1211e; classtype:trojan-activity; sid:2024352; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_06_06, deployment Perimeter, former_category MALWARE, malware_family Ransomware, malware_family Hidden_Tear, signature_severity Major, tag Ransomware, updated_at 2020_08_06, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact;)

Added 2021-10-04 19:24:54 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN MSIL/Unk.HT-Based Ransomware CnC? Checkin"; flow:established,to_server; content:"POST"; http_method; content:".php"; http_uri; content:"hostname=csharp-"; http_client_body; depth:16; fast_pattern; content:"&enckey="; http_client_body; distance:0; content:!"User-Agent|3a|"; http_header; content:!"Referer|3a|"; http_header; reference:md5,2aa11c090fd0737e52cd532418c1211e; classtype:trojan-activity; sid:2024352; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_06_06, deployment Perimeter, former_category MALWARE, malware_family Ransomware, malware_family Hidden_Tear, performance_impact Moderate, signature_severity Major, updated_at 2020_08_06;)

Added 2020-08-06 18:30:04 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN MSIL/Unk.HT-Based Ransomware CnC? Checkin"; flow:established,to_server; content:"POST"; http_method; content:".php"; http_uri; content:"hostname=csharp-"; http_client_body; depth:16; fast_pattern; content:"&enckey="; http_client_body; distance:0; content:!"User-Agent|3a|"; http_header; content:!"Referer|3a|"; http_header; reference:md5,2aa11c090fd0737e52cd532418c1211e; classtype:trojan-activity; sid:2024352; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_06_06, deployment Perimeter, former_category MALWARE, malware_family Ransomware, malware_family Hidden_Tear, performance_impact Moderate, signature_severity Major, updated_at 2017_06_06;)

Added 2020-08-05 19:13:35 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN MSIL/Unk.HT-Based Ransomware CnC? Checkin"; flow:established,to_server; content:"POST"; http_method; content:".php"; http_uri; content:"hostname=csharp-"; http_client_body; depth:16; fast_pattern; content:"&enckey="; http_client_body; distance:0; content:!"User-Agent|3a|"; http_header; content:!"Referer|3a|"; http_header; metadata: former_category MALWARE; reference:md5,2aa11c090fd0737e52cd532418c1211e; classtype:trojan-activity; sid:2024352; 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 2017_06_06, malware_family Ransomware, malware_family Hidden_Tear, performance_impact Moderate, updated_at 2017_06_06;)

Added 2019-09-19 19:26:47 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN MSIL/Unk.HT-Based Ransomware CnC? Checkin"; flow:established,to_server; content:"POST"; http_method; content:".php"; http_uri; content:"hostname=csharp-"; http_client_body; depth:16; fast_pattern; content:"&enckey="; http_client_body; distance:0; content:!"User-Agent|3a|"; http_header; content:!"Referer|3a|"; http_header; metadata: former_category TROJAN; reference:md5,2aa11c090fd0737e52cd532418c1211e; classtype:trojan-activity; sid:2024352; 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 2017_06_06, malware_family Ransomware, malware_family Hidden_Tear, performance_impact Moderate, updated_at 2017_06_06;)

Added 2018-09-13 19:53:49 UTC


Added 2018-09-13 18:01:37 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN MSIL/Unk.HT-Based Ransomware CnC? Checkin"; flow:established,to_server; content:"POST"; http_method; content:".php"; http_uri; content:"hostname=csharp-"; http_client_body; depth:16; fast_pattern; content:"&enckey="; http_client_body; distance:0; content:!"User-Agent|3a|"; http_header; content:!"Referer|3a|"; http_header; metadata: former_category TROJAN; reference:md5,2aa11c090fd0737e52cd532418c1211e; classtype:trojan-activity; sid:2024352; 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 2017_06_06, malware_family Ransomware, malware_family Hidden_Tear, performance_impact Moderate, updated_at 2017_06_06;)

Added 2017-08-07 21:19:42 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN MSIL/Unk.HT-Based Ransomware CnC? Checkin"; flow:established,to_server; content:"POST"; http_method; content:".php"; http_uri; content:"hostname=csharp-"; http_client_body; depth:16; fast_pattern; content:"&enckey="; http_client_body; distance:0; content:!"User-Agent|3a|"; http_header; content:!"Referer|3a|"; http_header; reference:md5,2aa11c090fd0737e52cd532418c1211e; classtype:trojan-activity; sid:2024352; rev:2;)

Added 2017-06-06 16:48:41 UTC


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