alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN W32/Asprox.Bot Knock Variant CnC? Beacon"; flow:established,to_server; content:"POST"; http_method; pcre:"/^\x2F[A-F0-9]{20,}+$/U"; content:!"Referer"; http_header; content:""; fast_pattern; http_client_body; depth:7; content:""; http_client_body; within:6; content:""; http_client_body; distance:0; content:""; http_client_body; distance:0; content:""; http_client_body; distance:0; pcre:"/^Host\x3a\x20\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}(?:\x3a\d{1,5})\r$/Hmi"; reference:url,www.fireeye.com/blog/technical/malware-research/2014/06/a-not-so-civic-duty-asprox-botnet-campaign-spreads-court-dates-and-malware.html; classtype:trojan-activity; sid:2018574; rev:2; metadata:attack_target Client_Endpoint, created_at 2014_06_17, deployment Perimeter, former_category MALWARE, signature_severity Major, tag c2, updated_at 2020_04_30, 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 -> $EXTERNAL_NET any (msg:"ET TROJAN W32/Asprox.Bot Knock Variant CnC? Beacon"; flow:established,to_server; content:"POST"; http_method; pcre:"/^\x2F[A-F0-9]{20,}+$/U"; content:!"Referer"; http_header; content:""; fast_pattern; http_client_body; depth:7; content:""; http_client_body; within:6; content:""; http_client_body; distance:0; content:""; http_client_body; distance:0; content:""; http_client_body; distance:0; pcre:"/^Host\x3a\x20\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}(?:\x3a\d{1,5})\r$/Hmi"; reference:url,www.fireeye.com/blog/technical/malware-research/2014/06/a-not-so-civic-duty-asprox-botnet-campaign-spreads-court-dates-and-malware.html; classtype:trojan-activity; sid:2018574; rev:2; metadata:created_at 2014_06_17, former_category MALWARE, updated_at 2020_04_30;)

Added 2020-08-05 19:09:53 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN W32/Asprox.Bot Knock Variant CnC? Beacon"; flow:established,to_server; content:"POST"; http_method; pcre:"/^\x2F[A-F0-9]{20,}+$/U"; content:!"Referer"; http_header; content:""; fast_pattern; http_client_body; depth:7; content:""; http_client_body; within:6; content:""; http_client_body; distance:0; content:""; http_client_body; distance:0; content:""; http_client_body; distance:0; pcre:"/^Host\x3a\x20\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}(?:\x3a\d{1,5})\r$/Hmi"; metadata: former_category MALWARE; reference:url,www.fireeye.com/blog/technical/malware-research/2014/06/a-not-so-civic-duty-asprox-botnet-campaign-spreads-court-dates-and-malware.html; classtype:trojan-activity; sid:2018574; rev:2; metadata:created_at 2014_06_17, updated_at 2020_04_30;)

Added 2020-04-30 19:21:20 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN W32/Asprox.Bot Knock Variant CnC? Beacon"; flow:established,to_server; content:"POST"; http_method; pcre:"/^\x2F[A-F0-9]{20,}+$/U"; content:!"Referer"; http_header; content:""; fast_pattern; http_client_body; depth:7; content:""; http_client_body; within:6; content:""; http_client_body; distance:0; content:""; http_client_body; distance:0; content:""; http_client_body; distance:0; pcre:"/^Host\x3a\x20\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}(?:\x3a\d{1,5})\r$/Hmi"; metadata: former_category MALWARE; reference:url,www.fireeye.com/blog/technical/malware-research/2014/06/a-not-so-civic-duty-asprox-botnet-campaign-spreads-court-dates-and-malware.html; classtype:trojan-activity; sid:2018574; rev:2; metadata:created_at 2014_06_17, updated_at 2014_06_17;)

Added 2019-09-19 19:26:04 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN W32/Asprox.Bot Knock Variant CnC? Beacon"; flow:established,to_server; content:"POST"; http_method; pcre:"/^\x2F[A-F0-9]{20,}+$/U"; content:!"Referer"; http_header; content:""; fast_pattern; http_client_body; depth:7; content:""; http_client_body; within:6; content:""; http_client_body; distance:0; content:""; http_client_body; distance:0; content:""; http_client_body; distance:0; pcre:"/^Host\x3a\x20\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}(?:\x3a\d{1,5})\r$/Hmi"; reference:url,www.fireeye.com/blog/technical/malware-research/2014/06/a-not-so-civic-duty-asprox-botnet-campaign-spreads-court-dates-and-malware.html; classtype:trojan-activity; sid:2018574; rev:2; metadata:created_at 2014_06_17, updated_at 2014_06_17;)

Added 2018-09-13 19:48:52 UTC


Added 2018-09-13 17:58:43 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN W32/Asprox.Bot Knock Variant CnC? Beacon"; flow:established,to_server; content:"POST"; http_method; pcre:"/^\x2F[A-F0-9]{20,}+$/U"; content:!"Referer"; http_header; content:""; fast_pattern; http_client_body; depth:7; content:""; http_client_body; within:6; content:""; http_client_body; distance:0; content:""; http_client_body; distance:0; content:""; http_client_body; distance:0; pcre:"/^Host\x3a\x20\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}(?:\x3a\d{1,5})\r$/Hmi"; reference:url,www.fireeye.com/blog/technical/malware-research/2014/06/a-not-so-civic-duty-asprox-botnet-campaign-spreads-court-dates-and-malware.html; classtype:trojan-activity; sid:2018574; rev:2; metadata:created_at 2014_06_17, updated_at 2014_06_17;)

Added 2017-08-07 21:12:40 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN W32/Asprox.Bot Knock Variant CnC? Beacon"; flow:established,to_server; content:"POST"; http_method; pcre:"/^\x2F[A-F0-9]{20,}+$/U"; content:!"Referer"; http_header; content:""; fast_pattern; http_client_body; depth:7; content:""; http_client_body; within:6; content:""; http_client_body; distance:0; content:""; http_client_body; distance:0; content:""; http_client_body; distance:0; pcre:"/^Host\x3a\x20\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}(?:\x3a\d{1,5})\r$/Hmi"; reference:url,www.fireeye.com/blog/technical/malware-research/2014/06/a-not-so-civic-duty-asprox-botnet-campaign-spreads-court-dates-and-malware.html; classtype:trojan-activity; sid:2018574; rev:2;)

Added 2014-06-17 18:39:34 UTC


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