alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN W32/Fsysna.Downloader CnC? Beacon"; flow:established,to_server; content:"GET"; http_method; content:".php"; http_uri; content:"Mozilla/4.0 (compatible|3B| MSIE "; http_user_agent; content:".0|3B| Win32|29 3B 20|"; http_user_agent; distance:1; within:15; fast_pattern; pcre:"/^\d+$/VR"; content:"Content-Type|3a 20|*/*|0d 0a|"; http_header; depth:19; reference:url,blogs.mcafee.com/mcafee-labs/targeted-attacks-japanese-firm-use-old-activex-vulnerability; reference:md5,2b91011e122364148698a249c2f4b7fe; reference:md5,6c040be9d91083ffba59405f9b2c89bf; classtype:trojan-activity; sid:2018462; rev:5; metadata:attack_target Client_Endpoint, created_at 2014_05_09, deployment Perimeter, former_category MALWARE, signature_severity Major, tag c2, updated_at 2020_05_22, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;)

Added 2021-06-18 18:19:18 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN W32/Fsysna.Downloader CnC? Beacon"; flow:established,to_server; content:"GET"; http_method; content:".php"; http_uri; content:"Mozilla/4.0 (compatible|3B| MSIE "; http_user_agent; content:".0|3B| Win32|29 3B 20|"; http_user_agent; distance:1; within:15; fast_pattern; pcre:"/^\d+$/VR"; content:"Content-Type|3a 20|*/*|0d 0a|"; http_header; depth:19; reference:url,blogs.mcafee.com/mcafee-labs/targeted-attacks-japanese-firm-use-old-activex-vulnerability; reference:md5,2b91011e122364148698a249c2f4b7fe; reference:md5,6c040be9d91083ffba59405f9b2c89bf; classtype:trojan-activity; sid:2018462; rev:5; metadata:created_at 2014_05_09, former_category MALWARE, updated_at 2020_05_22;)

Added 2020-08-05 19:09:48 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN W32/Fsysna.Downloader CnC? Beacon"; flow:established,to_server; content:"GET"; http_method; content:".php"; http_uri; content:"Mozilla/4.0 (compatible|3B| MSIE "; http_user_agent; content:".0|3B| Win32|29 3B 20|"; http_user_agent; distance:1; within:15; fast_pattern; pcre:"/^\d+$/VR"; content:"Content-Type|3a 20|*/*|0d 0a|"; http_header; depth:19; metadata: former_category MALWARE; reference:url,blogs.mcafee.com/mcafee-labs/targeted-attacks-japanese-firm-use-old-activex-vulnerability; reference:md5,2b91011e122364148698a249c2f4b7fe; reference:md5,6c040be9d91083ffba59405f9b2c89bf; classtype:trojan-activity; sid:2018462; rev:5; metadata:created_at 2014_05_09, updated_at 2014_05_09;)

Added 2019-09-19 19:26:03 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN W32/Fsysna.Downloader CnC? Beacon"; flow:established,to_server; content:"GET"; http_method; content:".php"; http_uri; content:"Mozilla/4.0 (compatible|3B| MSIE "; http_user_agent; content:".0|3B| Win32|29 3B 20|"; http_user_agent; distance:1; within:15; fast_pattern; pcre:"/^\d+$/VR"; content:"Content-Type|3a 20|*/*|0d 0a|"; http_header; depth:19; reference:url,blogs.mcafee.com/mcafee-labs/targeted-attacks-japanese-firm-use-old-activex-vulnerability; reference:md5,2b91011e122364148698a249c2f4b7fe; reference:md5,6c040be9d91083ffba59405f9b2c89bf; classtype:trojan-activity; sid:2018462; rev:5; metadata:created_at 2014_05_09, updated_at 2014_05_09;)

Added 2018-09-13 19:48:45 UTC


Added 2018-09-13 17:58:39 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN W32/Fsysna.Downloader CnC? Beacon"; flow:established,to_server; content:"GET"; http_method; content:".php"; http_uri; content:"Mozilla/4.0 (compatible|3B| MSIE "; http_user_agent; content:".0|3B| Win32|29 3B 20|"; http_user_agent; distance:1; within:15; fast_pattern; pcre:"/^\d+$/VR"; content:"Content-Type|3a 20|*/*|0d 0a|"; http_header; depth:19; reference:url,blogs.mcafee.com/mcafee-labs/targeted-attacks-japanese-firm-use-old-activex-vulnerability; reference:md5,2b91011e122364148698a249c2f4b7fe; reference:md5,6c040be9d91083ffba59405f9b2c89bf; classtype:trojan-activity; sid:2018462; rev:5; metadata:created_at 2014_05_09, updated_at 2014_05_09;)

Added 2017-08-07 21:12:32 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN W32/Fsysna.Downloader CnC? Beacon"; flow:established,to_server; content:"GET"; http_method; content:".php"; http_uri; content:"Mozilla/4.0 (compatible|3B| MSIE "; http_user_agent; content:".0|3B| Win32|29 3B 20|"; http_user_agent; distance:1; within:15; fast_pattern; pcre:"/^\d+$/VR"; content:"Content-Type|3a 20|*/*|0d 0a|"; http_header; depth:19; reference:url,blogs.mcafee.com/mcafee-labs/targeted-attacks-japanese-firm-use-old-activex-vulnerability; reference:md5,2b91011e122364148698a249c2f4b7fe; reference:md5,6c040be9d91083ffba59405f9b2c89bf; classtype:trojan-activity; sid:2018462; rev:5;)

Added 2015-05-19 17:17:28 UTC


alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET TROJAN W32/Fsysna.Downloader CnC? Beacon"; flow:established,to_server; content:"/common/inc/xmls.php"; fast_pattern:only; http_uri; content:"User-Agent|3A| Mozilla/4.0 (compatible|3B| MSIE "; http_header; content:".0|3B| Win32|29 3B| 51"; http_header; distance:1; within:15; reference:url,blogs.mcafee.com/mcafee-labs/targeted-attacks-japanese-firm-use-old-activex-vulnerability; reference:md5,2b91011e122364148698a249c2f4b7fe; reference:md5,6c040be9d91083ffba59405f9b2c89bf; classtype:trojan-activity; sid:2018462; rev:2;)

Added 2014-05-10 17:51:49 UTC



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Topic revision: r1 - 2021-06-18 - TWikiGuest
 
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