signature-base/yara/apt_strider.yara
2016-08-10 09:33:54 +02:00

85 lines
3.2 KiB
Plaintext

/*
Yara Rule Set
Author: Symantec
Date: 2016-08-08
Identifier: Strider
*/
rule remsec_executable_blob_32 {
meta:
copyright = "Symantec"
description = "Detects malware from Symantec's Strider APT report"
score = 80
date = "2016/08/08"
reference = "http://www.symantec.com/connect/blogs/strider-cyberespionage-group-turns-eye-sauron-targets"
strings:
$code = { 31 06 83 C6 04 D1 E8 73 05 35 01 00 00 D0 E2 F0 }
condition:
all of them
}
rule remsec_executable_blob_64 {
meta:
copyright = "Symantec"
description = "Detects malware from Symantec's Strider APT report"
score = 80
date = "2016/08/08"
reference = "http://www.symantec.com/connect/blogs/strider-cyberespionage-group-turns-eye-sauron-targets"
strings:
$code = { 31 06 48 83 C6 04 D1 E8 73 05 35 01 00 00 D0 E2 EF }
condition:
all of them
}
rule remsec_executable_blob_parser {
meta:
copyright = "Symantec"
description = "Detects malware from Symantec's Strider APT report"
score = 80
date = "2016/08/08"
reference = "http://www.symantec.com/connect/blogs/strider-cyberespionage-group-turns-eye-sauron-targets"
strings:
$code = { ( 0F 82 ?? ?? 00 00 | 72 ?? ) ( 80 | 41 80 ) ( 7? | 7C 24 ) 04 02 ( 0F 85 ?? ?? 00 00 | 75 ?? ) ( 81 | 41 81 ) ( 3? | 3C 24 | 7D 00 ) 02 AA 02 C1 ( 0F 85 ?? ?? 00 00 | 75 ?? ) ( 8B | 41 8B | 44 8B | 45 8B ) ( 4? | 5? | 6? | 7? | ?4 24 | ?C 24 ) 06 }
condition:
all of them
}
rule remsec_encrypted_api {
meta:
copyright = "Symantec"
description = "Detects malware from Symantec's Strider APT report"
score = 80
date = "2016/08/08"
reference = "http://www.symantec.com/connect/blogs/strider-cyberespionage-group-turns-eye-sauron-targets"
strings:
$open_process = { 91 9A 8F B0 9C 90 8D AF 8C 8C 9A FF }
condition:
all of them
}
rule remsec_packer_A {
meta:
copyright = "Symantec"
description = "Detects malware from Symantec's Strider APT report"
score = 80
date = "2016/08/08"
reference = "http://www.symantec.com/connect/blogs/strider-cyberespionage-group-turns-eye-sauron-targets"
strings:
$code = { 69 ( C? | D? | E? | F? ) AB 00 00 00 ( 81 | 41 81 ) C? CD 2B 00 00 ( F7 | 41 F7 ) E? ( C1 | 41 C1 ) E? 0D ( 69 | 45 69 ) ( C? | D? | E? | F? ) 85 CF 00 00 ( 29 | 41 29 | 44 29 | 45 29 | 2B | 41 2B | 44 2B | 45 2B ) }
condition:
all of them
}
rule remsec_packer_B {
meta:
copyright = "Symantec"
description = "Detects malware from Symantec's Strider APT report"
score = 80
date = "2016/08/08"
reference = "http://www.symantec.com/connect/blogs/strider-cyberespionage-group-turns-eye-sauron-targets"
strings:
$code = { 48 8B 05 ?? ?? ?? ?? 48 89 44 24 ?? 48 8B 05 ?? ?? ?? ?? 48 8D 4C 24 ?? 48 89 44 24 ?? 48 8D ( 45 ?? | 84 24 ?? ?? 00 00 ) ( 44 88 6? 24 ?? | C6 44 24 ?? 00 ) 48 89 44 24 ?? 48 8D ( 45 ?? | 84 24 ?? ?? 00 00 ) C7 44 24 ?? 0? 00 00 00 2B ?8 48 89 ?C 24 ?? 44 89 6? 24 ?? 83 C? 08 89 ?C 24 ?? ( FF | 41 FF ) D? ( 05 | 8D 88 ) 00 00 00 3A }
condition:
all of them
}