#alert tcp $HOME_NET any -> $EXTERNAL_NET 443 (msg:"ET TROJAN [PTsecurity] Malicious SSL connection (Upatre Downloader CnC?) 0"; flow:established,to_server; content:"|17 03|"; depth:2; content:"|00 a0|"; distance:1; within:2; fast_pattern; stream_size:server,>,4868; stream_size:server,<,5949; stream_size:client,>,424; stream_size:client,<,685; flowbits:isset,FB346039_0; flowbits:unset,FB346039_0; flowbits:set,FB346039_1; flowbits:noalert; classtype:trojan-activity; sid:2024773; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_09_27, deployment Perimeter, deprecation_reason False_Positive, former_category MALWARE, malware_family Upatre, performance_impact Moderate, signature_severity Major, updated_at 2017_09_27;)

Added 2021-07-29 18:09:52 UTC


alert tcp $HOME_NET any -> $EXTERNAL_NET 443 (msg:"ET TROJAN [PTsecurity] Malicious SSL connection (Upatre Downloader CnC?) 0"; flow:established,to_server; content:"|17 03|"; depth:2; content:"|00 a0|"; distance:1; within:2; fast_pattern; stream_size:server,>,4868; stream_size:server,<,5949; stream_size:client,>,424; stream_size:client,<,685; flowbits:isset,FB346039_0; flowbits:unset,FB346039_0; flowbits:set,FB346039_1; flowbits:noalert; classtype:trojan-activity; sid:2024773; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_09_27, deployment Perimeter, former_category MALWARE, malware_family Upatre, performance_impact Moderate, signature_severity Major, updated_at 2017_09_27;)

Added 2020-08-05 19:13:58 UTC


alert tcp $HOME_NET any -> $EXTERNAL_NET 443 (msg:"ET TROJAN [PTsecurity] Malicious SSL connection (Upatre Downloader CnC?) 0"; flow:established,to_server; content:"|17 03|"; depth:2; content:"|00 a0|"; distance:1; within:2; fast_pattern; stream_size:server,>,4868; stream_size:server,<,5949; stream_size:client,>,424; stream_size:client,<,685; flowbits:isset,FB346039_0; flowbits:unset,FB346039_0; flowbits:set,FB346039_1; flowbits:noalert; metadata: former_category MALWARE; classtype:trojan-activity; sid:2024773; 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 2017_09_27, malware_family Upatre, performance_impact Moderate, updated_at 2017_09_27;)

Added 2019-09-19 19:26:50 UTC


alert tcp $HOME_NET any -> $EXTERNAL_NET 443 (msg:"ET TROJAN [PTsecurity] Malicious SSL connection (Upatre Downloader CnC?) 0"; flow:established,to_server; content:"|17 03|"; depth:2; content:"|00 a0|"; distance:1; within:2; fast_pattern; stream_size:server,>,4868; stream_size:server,<,5949; stream_size:client,>,424; stream_size:client,<,685; flowbits:isset,FB346039_0; flowbits:unset,FB346039_0; flowbits:set,FB346039_1; flowbits:noalert; metadata: former_category TROJAN; classtype:trojan-activity; sid:2024773; 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 2017_09_27, malware_family Upatre, performance_impact Moderate, updated_at 2017_09_27;)

Added 2018-09-13 19:54:08 UTC


Added 2018-09-13 18:01:48 UTC


alert tcp $HOME_NET any -> $EXTERNAL_NET 443 (msg:"ET TROJAN [PTsecurity] Malicious SSL connection (Upatre Downloader CnC?) 0"; flow:established,to_server; content:"|17 03|"; depth:2; content:"|00 a0|"; distance:1; within:2; fast_pattern; stream_size:server,>,4868; stream_size:server,<,5949; stream_size:client,>,424; stream_size:client,<,685; flowbits:isset,FB346039_0; flowbits:unset,FB346039_0; flowbits:set,FB346039_1; flowbits:noalert; metadata: former_category TROJAN; classtype:trojan-activity; sid:2024773; 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 2017_09_27, malware_family Upatre, performance_impact Moderate, updated_at 2017_09_27;)

Added 2017-09-28 12:53:42 UTC


Topic revision: r1 - 2021-07-29 - TWikiGuest
 
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