36 lines
1.2 KiB
Text
36 lines
1.2 KiB
Text
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import "elf"
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rule Linux_Virus_Vit : tc_detection malicious
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{
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meta:
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author = "ReversingLabs"
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source = "ReversingLabs"
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status = "RELEASED"
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sharing = "TLP:WHITE"
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category = "MALWARE"
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malware = "VIT"
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description = "Yara rule that detects Vit virus."
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tc_detection_type = "Virus"
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tc_detection_name = "Vit"
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tc_detection_factor = 5
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strings:
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$vit_entry_point = {
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55 89 E5 81 EC 40 31 00 00 57 56 50 53 51 52 C7 85 D8 CE FF FF 00 00 00 00 C7 85 D4
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CE FF FF 00 00 00 00 C7 85 FC CF FF FF CA 08 00 00 C7 85 F8 CF FF FF B8 06 00 00 C7
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85 F4 CF FF FF AD 08 00 00 C7 85 F0 CF FF FF 50 06 00 00 6A 00 6A 00 8B 45 08 50 E8
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18 FA FF FF 89 C6 83 C4 0C 85 F6 0F 8C E6 01 00 00 6A 00 68 ?? ?? ?? ?? 56 E8 2E FA
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FF FF 83 C4 0C 85 C0 0F 8C C4 01 00 00 8B 85 FC CF FF FF 50 8D 85 00 D0 FF FF 50 56
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E8 2A FA FF FF 89 C2 8B 85 FC CF FF FF 83 C4 0C 39 C2 0F 85 9D 01 00 00 56 E8 E1 F9
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FF FF BE FF FF FF FF 6A 00 6A 00 E9
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}
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$vit_str = "vi324.tmp"
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condition:
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uint32(0) == 0x464C457F and $vit_entry_point at elf.entry_point and $vit_str
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}
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