alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Win32/Tflower Ransomware CnC? Checkin"; flow:established,to_server; content:"GET"; http_method; content:".php?name="; http_uri; content:"&state=start"; http_uri; distance:0; fast_pattern; isdataat:!1,relative; http_header_names; content:!"Referer"; reference:md5,53c923d4e39b966ab951f9a3b9d090be; reference:url,www.bleepingcomputer.com/news/security/tflower-ransomware-the-latest-attack-targeting-businesses/; classtype:trojan-activity; sid:2028597; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_09_18, deployment Perimeter, deployment SSLDecrypt, former_category MALWARE, malware_family Tflower_Ransomware, signature_severity Major, tag Ransomware, updated_at 2020_09_17, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact;)

Added 2021-10-04 19:24:59 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Win32/Tflower Ransomware CnC? Checkin"; flow:established,to_server; content:"GET"; http_method; content:".php?name="; http_uri; content:"&state=start"; http_uri; distance:0; fast_pattern; isdataat:!1,relative; http_header_names; content:!"Referer"; reference:md5,53c923d4e39b966ab951f9a3b9d090be; reference:url,www.bleepingcomputer.com/news/security/tflower-ransomware-the-latest-attack-targeting-businesses/; classtype:trojan-activity; sid:2028597; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_09_18, deployment Perimeter, deployment SSLDecrypt, former_category MALWARE, malware_family Tflower_Ransomware, performance_impact Moderate, signature_severity Major, updated_at 2020_09_17;)

Added 2020-09-17 18:29:52 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Win32/Tflower Ransomware CnC? Checkin"; flow:established,to_server; content:"GET"; http_method; content:".php?name="; http_uri; content:"&state=start"; http_uri; distance:0; fast_pattern; isdataat:!1,relative; http_header_names; content:!"Referer"; reference:md5,53c923d4e39b966ab951f9a3b9d090be; reference:url,www.bleepingcomputer.com/news/security/tflower-ransomware-the-latest-attack-targeting-businesses/; classtype:trojan-activity; sid:2028597; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_09_18, deployment Perimeter, deployment SSLDecrypt, former_category MALWARE, malware_family Tflower_Ransomware, performance_impact Moderate, signature_severity Major, updated_at 2019_09_28;)

Added 2020-08-05 19:16:53 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Win32/Tflower Ransomware CnC? Checkin"; flow:established,to_server; content:"GET"; http_method; content:".php?name="; http_uri; content:"&state=start"; http_uri; distance:0; fast_pattern; isdataat:!1,relative; http_header_names; content:!"Referer"; metadata: former_category MALWARE; reference:md5,53c923d4e39b966ab951f9a3b9d090be; reference:url,www.bleepingcomputer.com/news/security/tflower-ransomware-the-latest-attack-targeting-businesses/; classtype:trojan-activity; sid:2028597; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, deployment Perimeter, deployment SSLDecrypt, signature_severity Major, created_at 2019_09_18, malware_family Tflower_Ransomware, performance_impact Moderate, updated_at 2019_09_28;)

Added 2019-10-01 08:30:00 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Win32/Tflower Ransomware CnC? Checkin"; flow:established,to_server; content:"GET"; http_method; content:".php?name="; http_uri; content:"&state=start"; http_uri; distance:0; fast_pattern; isdataat:!1,relative; http_header_names; content:!"Referer"; metadata: former_category MALWARE; reference:md5,53c923d4e39b966ab951f9a3b9d090be; reference:url,www.bleepingcomputer.com/news/security/tflower-ransomware-the-latest-attack-targeting-businesses/; classtype:trojan-activity; sid:2028597; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, deployment Perimeter, deployment SSLDecrypt, signature_severity Major, created_at 2019_09_18, malware_family Tflower_Ransomware, performance_impact Moderate, updated_at 2019_09_28;)

Added 2019-10-01 04:24:23 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Win32/Tflower Ransomware CnC? Checkin"; flow:established,to_server; content:"GET"; http_method; content:".php?name="; http_uri; content:"&state=start"; http_uri; distance:0; fast_pattern; isdataat:!1,relative; http_header_names; content:!"Referer"; metadata: former_category MALWARE; reference:md5,53c923d4e39b966ab951f9a3b9d090be; reference:url,www.bleepingcomputer.com/news/security/tflower-ransomware-the-latest-attack-targeting-businesses/; classtype:trojan-activity; sid:2028597; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, deployment Perimeter, deployment SSLDecrypt, signature_severity Major, created_at 2019_09_18, malware_family Tflower_Ransomware, performance_impact Moderate, updated_at 2019_09_18;)

Added 2019-09-18 19:18:52 UTC


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