2027707 < Main < EmergingThreats

Main Web>2027707 (2021-09-22, TWikiGuest) (raw view)
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alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET TROJAN Possible APT Sarhurst/Husar/Hussarini/Hassar CnC Check Response"; flow:from_server,established; content:"200"; http_stat_code; file_data; content:"<CHECK>"; depth:7; content:"</CHECK>"; isdataat:!1,relative; fast_pattern; pcre:"/^<CHECK>(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4})<\/CHECK>$/"; reference:url,www.fortinet.com/blog/threat-research/hussarini---targeted-cyber-attack-in-the-philippines.html; classtype:trojan-activity; sid:2027707; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_07_15, deployment Perimeter, former_category MALWARE, signature_severity Major, updated_at 2020_11_11;)

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Added 2021-09-21 20:00:44 UTC


 %COMMENT{type="threadmode" default="Please enter documentation, comments, false positives, or concerns with this signature. Press the Attach button below to add samples or Pcaps." button="Add to Documentation" }%
 
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alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET TROJAN Possible APT Sarhurst/Husar/Hussarini/Hassar CnC Check Response"; flow:from_server,established; content:"200"; http_stat_code; file_data; content:"<CHECK>"; depth:7; content:"</CHECK>"; isdataat:!1,relative; fast_pattern; pcre:"/^<CHECK>(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4})<\/CHECK>$/"; reference:url,www.fortinet.com/blog/threat-research/hussarini---targeted-cyber-attack-in-the-philippines.html; classtype:trojan-activity; sid:2027707; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_07_15, deployment Perimeter, former_category MALWARE, signature_severity Major, updated_at 2020_11_10;)

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Added 2020-11-11 19:18:08 UTC


 
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alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET TROJAN Possible APT Sarhurst/Husar/Hussarini/Hassar CnC Check Response"; flow:from_server,established; content:"200"; http_stat_code; file_data; content:"<CHECK>"; depth:7; content:"</CHECK>"; distance:0; isdataat:!1,relative; fast_pattern; pcre:"/^<CHECK>(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4})<\/CHECK>$/"; reference:url,www.fortinet.com/blog/threat-research/hussarini---targeted-cyber-attack-in-the-philippines.html; classtype:trojan-activity; sid:2027707; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_07_15, deployment Perimeter, former_category MALWARE, signature_severity Major, updated_at 2020_09_17;)

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Added 2020-09-17 18:29:44 UTC


 
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alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET TROJAN Possible APT Sarhurst/Husar/Hussarini/Hassar CnC Check Response"; flow:from_server,established; content:"200"; http_stat_code; file_data; content:"<CHECK>"; depth:7; content:"</CHECK>"; distance:0; isdataat:!1,relative; fast_pattern; pcre:"/^<CHECK>(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4})<\/CHECK>$/"; reference:url,www.fortinet.com/blog/threat-research/hussarini---targeted-cyber-attack-in-the-philippines.html; classtype:trojan-activity; sid:2027707; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_07_15, deployment Perimeter, former_category MALWARE, signature_severity Major, updated_at 2019_09_28;)

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Added 2020-08-05 19:16:36 UTC


 
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alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET TROJAN Possible APT Sarhurst/Husar/Hussarini/Hassar CnC Check Response"; flow:from_server,established; content:"200"; http_stat_code; file_data; content:"<CHECK>"; depth:7; content:"</CHECK>"; distance:0; isdataat:!1,relative; fast_pattern; pcre:"/^<CHECK>(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4})<\/CHECK>$/"; metadata: former_category MALWARE; reference:url,www.fortinet.com/blog/threat-research/hussarini---targeted-cyber-attack-in-the-philippines.html; classtype:trojan-activity; sid:2027707; 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 2019_07_15, updated_at 2019_09_28;)

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Added 2019-10-01 08:29:52 UTC


 
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alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET TROJAN Possible APT Sarhurst/Husar/Hussarini/Hassar CnC Check Response"; flow:from_server,established; content:"200"; http_stat_code; file_data; content:"<CHECK>"; depth:7; content:"</CHECK>"; distance:0; isdataat:!1,relative; fast_pattern; pcre:"/^<CHECK>(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4})<\/CHECK>$/"; metadata: former_category MALWARE; reference:url,www.fortinet.com/blog/threat-research/hussarini---targeted-cyber-attack-in-the-philippines.html; classtype:trojan-activity; sid:2027707; 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 2019_07_15, updated_at 2019_09_28;)

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Added 2019-10-01 04:24:16 UTC


 
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alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET TROJAN Possible APT Sarhurst/Husar/Hussarini/Hassar CnC Check Response"; flow:from_server,established; content:"200"; http_stat_code; file_data; content:"<CHECK>"; depth:7; content:"</CHECK>"; distance:0; isdataat:!1,relative; fast_pattern; pcre:"/^<CHECK>(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4})<\/CHECK>$/"; metadata: former_category MALWARE; reference:url,www.fortinet.com/blog/threat-research/hussarini---targeted-cyber-attack-in-the-philippines.html; classtype:trojan-activity; sid:2027707; 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 2019_07_15, updated_at 2019_07_15;)

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Added 2019-09-19 19:27:17 UTC


 
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alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET TROJAN Possible APT Sarhurst/Husar/Hussarini/Hassar CnC Check Response"; flow:from_server,established; content:"200"; http_stat_code; file_data; content:"<CHECK>"; depth:7; content:"</CHECK>"; distance:0; isdataat:!1,relative; fast_pattern; pcre:"/^<CHECK>(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4})<\/CHECK>$/"; metadata: former_category TROJAN; reference:url,www.fortinet.com/blog/threat-research/hussarini---targeted-cyber-attack-in-the-philippines.html; classtype:trojan-activity; sid:2027707; 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 2019_07_15, updated_at 2019_07_15;)

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Added 2019-07-15 19:05:22 UTC


 
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Topic revision: r1 - 2021-09-22 - TWikiGuest
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