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Update third-party rules as of 2025-06-29 #1024

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Update third-party rules as of 2025-06-29 #1024

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21 changes: 21 additions & 0 deletions third_party/yara/elastic/Linux_Rootkit_Generic.yar
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Original file line number Diff line number Diff line change
Expand Up @@ -179,3 +179,24 @@ rule Linux_Rootkit_Generic_f07bcabe {
2 of them
}

rule Linux_Rootkit_Generic_5d17781b {
meta:
author = "Elastic Security"
id = "5d17781b-5d2a-4405-8806-274e6cabfe2c"
fingerprint = "220eff54c80a69c3df0d8f71aeacdd114cc2ea0675595c2bfde2ac47578c3a02"
creation_date = "2024-12-02"
last_modified = "2025-06-10"
threat_name = "Linux.Rootkit.Generic"
severity = 100
arch_context = "x86, arm64"
scan_context = "file, memory"
license = "Elastic License v2"
os = "linux"
strings:
$str = "kallsyms_lookup_name_t"
$lic1 = "license=Dual BSD/GPL"
$lic2 = "license=GPL"
condition:
$str and 1 of ($lic*)
}

20 changes: 0 additions & 20 deletions third_party/yara/elastic/Linux_Trojan_Mirai.yar
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Original file line number Diff line number Diff line change
Expand Up @@ -927,26 +927,6 @@ rule Linux_Trojan_Mirai_b9a9d04b {
all of them
}

rule Linux_Trojan_Mirai_d2205527 {
meta:
author = "Elastic Security"
id = "d2205527-0545-462b-b3c9-3bf2bdc44c6c"
fingerprint = "01d937fe8823e5f4764dea9dfe2d8d789187dcd6592413ea48e13f41943d67fd"
creation_date = "2021-01-12"
last_modified = "2021-09-16"
threat_name = "Linux.Trojan.Mirai"
reference_sample = "e4f584d1f75f0d7c98b325adc55025304d55907e8eb77b328c007600180d6f06"
severity = 100
arch_context = "x86"
scan_context = "file, memory"
license = "Elastic License v2"
os = "linux"
strings:
$a = { CA B8 37 00 00 00 0F 05 48 3D 01 F0 FF FF 73 01 C3 48 C7 C1 C0 FF }
condition:
all of them
}

rule Linux_Trojan_Mirai_ab073861 {
meta:
author = "Elastic Security"
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2 changes: 1 addition & 1 deletion third_party/yara/elastic/RELEASE
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Original file line number Diff line number Diff line change
@@ -1 +1 @@
1894c06fd2d6bcc10c29464b9032229df8f414a6
ff154ddf0762a4a030c8832eee7753cb19b950ff
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