alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Backdoor family PCRat/Gh0st CnC? traffic (OUTBOUND) 61"; flow:established,to_server; stream_size:server,<,5; dsize:>11; content:"|3f a6|"; offset:8; byte_jump:4,-10,relative,little,from_beginning, post_offset -1; isdataat:!2,relative; pcre:"/^[\x20-\x7e]+?.{8}\x3f\xa6/s"; reference:url,www.microsoft.com/security/portal/Threat/Encyclopedia/Entry.aspx?Name=Backdoor%3AWin32/PcClient.ZR&ThreatID=-2147325231; reference:md5,0045ce5ce7d697ecc86f1e44398bf404; classtype:trojan-activity; sid:2020696; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2015_03_13, deployment Perimeter, former_category MALWARE, malware_family Gh0st, malware_family PCRAT, performance_impact Significant, signature_severity Critical, tag PCRAT, tag Gh0st, tag RAT, updated_at 2021_09_01;)

Added 2021-09-03 17:45:53 UTC


alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Backdoor family PCRat/Gh0st CnC? traffic (OUTBOUND) 61"; flow:established,to_server; stream_size:server,<,5; dsize:>11; content:"|3f a6|"; offset:8; byte_jump:4,-10,relative,little,from_beginning, post_offset -1; isdataat:!2,relative; pcre:"/^[\x20-\x7e]+?.{8}\x3f\xa6/s"; reference:url,www.microsoft.com/security/portal/Threat/Encyclopedia/Entry.aspx?Name=Backdoor%3AWin32/PcClient.ZR&ThreatID=-2147325231; reference:md5,0045ce5ce7d697ecc86f1e44398bf404; classtype:trojan-activity; sid:2020696; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2015_03_13, deployment Perimeter, former_category MALWARE, malware_family Gh0st, malware_family PCRAT, signature_severity Critical, tag PCRAT, tag Gh0st, tag RAT, updated_at 2021_09_01;)

Added 2021-09-01 17:59:01 UTC


alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Backdoor family PCRat/Gh0st CnC? traffic (OUTBOUND) 61"; flow:to_server,established; dsize:>11; content:"|3f a6|"; offset:8; byte_jump:4,-10,relative,little,from_beginning, post_offset -1; isdataat:!2,relative; pcre:"/^[\x20-\x7e]+?.{8}\x3f\xa6/s"; reference:url,www.microsoft.com/security/portal/Threat/Encyclopedia/Entry.aspx?Name=Backdoor%3AWin32/PcClient.ZR&ThreatID=-2147325231; reference:md5,0045ce5ce7d697ecc86f1e44398bf404; classtype:trojan-activity; sid:2020696; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2015_03_13, deployment Perimeter, former_category MALWARE, malware_family Gh0st, malware_family PCRAT, signature_severity Critical, tag PCRAT, tag Gh0st, tag RAT, updated_at 2016_07_01;)

Added 2020-08-05 19:11:00 UTC


alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Backdoor family PCRat/Gh0st CnC? traffic (OUTBOUND) 61"; flow:to_server,established; dsize:>11; content:"|3f a6|"; offset:8; byte_jump:4,-10,relative,little,from_beginning, post_offset -1; isdataat:!2,relative; pcre:"/^[\x20-\x7e]+?.{8}\x3f\xa6/s"; metadata: former_category MALWARE; reference:url,www.microsoft.com/security/portal/Threat/Encyclopedia/Entry.aspx?Name=Backdoor%3AWin32/PcClient.ZR&ThreatID=-2147325231; reference:md5,0045ce5ce7d697ecc86f1e44398bf404; classtype:trojan-activity; sid:2020696; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, deployment Perimeter, tag PCRAT, tag Gh0st, tag RAT, signature_severity Critical, created_at 2015_03_13, malware_family Gh0st, malware_family PCRAT, updated_at 2016_07_01;)

Added 2019-09-19 19:26:15 UTC


alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Backdoor family PCRat/Gh0st CnC? traffic (OUTBOUND) 61"; flow:to_server,established; dsize:>11; content:"|3f a6|"; offset:8; byte_jump:4,-10,relative,little,from_beginning, post_offset -1; isdataat:!2,relative; pcre:"/^[\x20-\x7e]+?.{8}\x3f\xa6/s"; reference:url,www.microsoft.com/security/portal/Threat/Encyclopedia/Entry.aspx?Name=Backdoor%3AWin32/PcClient.ZR&ThreatID=-2147325231; reference:md5,0045ce5ce7d697ecc86f1e44398bf404; classtype:trojan-activity; sid:2020696; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, deployment Perimeter, tag PCRAT, tag Gh0st, tag RAT, signature_severity Critical, created_at 2015_03_13, malware_family Gh0st, malware_family PCRAT, updated_at 2016_07_01;)

Added 2017-08-07 21:15:15 UTC


alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Backdoor family PCRat/Gh0st CnC? traffic (OUTBOUND) 61"; flow:to_server,established; dsize:>11; content:"|3f a6|"; offset:8; byte_jump:4,-10,relative,little,from_beginning, post_offset -1; isdataat:!2,relative; pcre:"/^[\x20-\x7e]+?.{8}\x3f\xa6/s"; reference:url,www.microsoft.com/security/portal/Threat/Encyclopedia/Entry.aspx?Name=Backdoor%3AWin32/PcClient.ZR&ThreatID=-2147325231; reference:md5,0045ce5ce7d697ecc86f1e44398bf404; classtype:trojan-activity; sid:2020696; rev:1;)

Added 2015-03-13 19:35:10 UTC


Topic revision: r1 - 2021-09-03 - TWikiGuest
 
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