alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN SepSys?/SepSystem Ransomware Style External IP Address Check"; flow:established,to_server; http_start; content:"GET|20|/|20|HTTP/1.1|0d 0a|Host|3a 20|www.myip.ch|0d 0a|Accept|3a 20|*/*|0d 0a 0d 0a|"; depth:50; isdataat:!1,relative; fast_pattern; http_header_names; content:!"User-Agent"; content:!"Referer"; reference:md5,c596d787d0848722d393a4a5945b3e15; classtype:trojan-activity; sid:2029933; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_04_20, deployment Perimeter, former_category MALWARE, malware_family Sepsys, signature_severity Major, tag Ransomware, updated_at 2020_04_20, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact;)

Added 2021-10-04 19:25:01 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN SepSys?/SepSystem Ransomware Style External IP Address Check"; flow:established,to_server; http_start; content:"GET|20|/|20|HTTP/1.1|0d 0a|Host|3a 20|www.myip.ch|0d 0a|Accept|3a 20|*/*|0d 0a 0d 0a|"; depth:50; isdataat:!1,relative; fast_pattern; http_header_names; content:!"User-Agent"; content:!"Referer"; reference:md5,c596d787d0848722d393a4a5945b3e15; classtype:trojan-activity; sid:2029933; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_04_20, deployment Perimeter, former_category MALWARE, malware_family Sepsys, signature_severity Major, updated_at 2020_04_20;)

Added 2020-08-05 19:18:00 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN SepSys?/SepSystem Ransomware Style External IP Address Check"; flow:established,to_server; http_start; content:"GET|20|/|20|HTTP/1.1|0d 0a|Host|3a 20|www.myip.ch|0d 0a|Accept|3a 20|*/*|0d 0a 0d 0a|"; depth:50; isdataat:!1,relative; fast_pattern; http_header_names; content:!"User-Agent"; content:!"Referer"; metadata: former_category MALWARE; reference:md5,c596d787d0848722d393a4a5945b3e15; classtype:trojan-activity; sid:2029933; 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 2020_04_20, malware_family Sepsys, updated_at 2020_04_20;)

Added 2020-04-20 19:36:59 UTC


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