alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN AlphaCrypt? CnC? Beacon 3"; flow:established,to_server; urilen:>250; content:"GET"; http_method; content:"/r.php?"; http_uri; fast_pattern; content:!"Accept"; http_header; content:!"Referer|3a|"; http_header; content:"User-Agent|3a 20|"; depth:12; http_header; pcre:"/\/r\.php\?[A-F0-9]+=?$/U"; reference:md5,0a4d0e5d0b69560414bbd20127bd8176; classtype:trojan-activity; sid:2021723; rev:5; metadata:attack_target Client_Endpoint, created_at 2015_08_27, deployment Perimeter, former_category MALWARE, signature_severity Major, tag c2, updated_at 2020_10_05, 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 18:19:28 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN AlphaCrypt? CnC? Beacon 3"; flow:established,to_server; urilen:>250; content:"GET"; http_method; content:"/r.php?"; http_uri; fast_pattern; content:!"Accept"; http_header; content:!"Referer|3a|"; http_header; content:"User-Agent|3a 20|"; depth:12; http_header; pcre:"/\/r\.php\?[A-F0-9]+=?$/U"; reference:md5,0a4d0e5d0b69560414bbd20127bd8176; classtype:trojan-activity; sid:2021723; rev:5; metadata:created_at 2015_08_27, former_category MALWARE, updated_at 2020_10_05;)

Added 2020-10-05 18:59:40 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN AlphaCrypt? CnC? Beacon 3"; flow:established,to_server; urilen:>250; content:"GET"; http_method; content:"/r.php?"; http_uri; fast_pattern; content:!"Accept"; http_header; content:!"Referer|3a|"; http_header; content:"User-Agent|3a 20|"; depth:12; http_header; pcre:"/\/r\.php\?[A-F0-9]+=?$/U"; reference:md5,0a4d0e5d0b69560414bbd20127bd8176; classtype:trojan-activity; sid:2021723; rev:5; metadata:created_at 2015_08_27, former_category MALWARE, updated_at 2019_10_07;)

Added 2020-08-05 19:11:36 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN AlphaCrypt? CnC? Beacon 3"; flow:established,to_server; urilen:>250; content:"GET"; http_method; content:"/r.php?"; http_uri; fast_pattern; content:!"Accept"; http_header; content:!"Referer|3a|"; http_header; content:"User-Agent|3a 20|"; depth:12; http_header; pcre:"/\/r\.php\?[A-F0-9]+=?$/U"; metadata: former_category MALWARE; reference:md5,0a4d0e5d0b69560414bbd20127bd8176; classtype:trojan-activity; sid:2021723; rev:5; metadata:created_at 2015_08_27, updated_at 2019_10_07;)

Added 2019-10-08 19:34:31 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN AlphaCrypt? CnC? Beacon 3"; flow:established,to_server; urilen:>250; content:"GET"; http_method; content:"/r.php?"; http_uri; fast_pattern:only; content:!"Accept"; http_header; content:!"Referer|3a|"; http_header; content:"User-Agent|3a 20|"; depth:12; http_header; pcre:"/\/r\.php\?[A-F0-9]+=?$/U"; metadata: former_category MALWARE; reference:md5,0a4d0e5d0b69560414bbd20127bd8176; classtype:trojan-activity; sid:2021723; rev:4; metadata:created_at 2015_08_27, updated_at 2015_08_27;)

Added 2019-09-19 19:26:27 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN AlphaCrypt? CnC? Beacon 3"; flow:established,to_server; urilen:>250; content:"GET"; http_method; content:"/r.php?"; http_uri; fast_pattern:only; content:!"Accept"; http_header; content:!"Referer|3a|"; http_header; content:"User-Agent|3a 20|"; depth:12; http_header; pcre:"/\/r\.php\?[A-F0-9]+=?$/U"; reference:md5,0a4d0e5d0b69560414bbd20127bd8176; classtype:trojan-activity; sid:2021723; rev:4; metadata:created_at 2015_08_27, updated_at 2015_08_27;)

Added 2018-09-13 19:51:40 UTC


Added 2018-09-13 18:00:21 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN AlphaCrypt? CnC? Beacon 3"; flow:established,to_server; urilen:>250; content:"GET"; http_method; content:"/r.php?"; http_uri; fast_pattern:only; content:!"Accept"; http_header; content:!"Referer|3a|"; http_header; content:"User-Agent|3a 20|"; depth:12; http_header; pcre:"/\/r\.php\?[A-F0-9]+=?$/U"; reference:md5,0a4d0e5d0b69560414bbd20127bd8176; classtype:trojan-activity; sid:2021723; rev:4; metadata:created_at 2015_08_27, updated_at 2015_08_27;)

Added 2017-08-07 21:16:27 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN AlphaCrypt? CnC? Beacon 3"; flow:established,to_server; urilen:>250; content:"GET"; http_method; content:"/r.php?"; http_uri; fast_pattern:only; content:!"Accept"; http_header; content:!"Referer|3a|"; http_header; content:"User-Agent|3a 20|"; depth:12; http_header; pcre:"/\/r\.php\?[A-F0-9]+=?$/U"; reference:md5,0a4d0e5d0b69560414bbd20127bd8176; classtype:trojan-activity; sid:2021723; rev:4;)

Added 2015-08-27 18:15:20 UTC


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