35 lines
806 B
Text
35 lines
806 B
Text
import "pe"
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rule HotelAlfa
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{
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meta:
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copyright = "2015 Novetta Solutions"
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author = "Novetta Threat Research & Interdiction Group - trig@novetta.com"
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Source = "58dab205ecb1e0972027eb92f68cec6d208e5ab5.ex_"
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strings:
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$resourceHTML = "RSRC_HTML"
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/*
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8A 0C 18 mov cl, [eax+ebx]
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80 F1 63 xor cl, 63h
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88 0C 18 mov [eax+ebx], cl
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8B 4D 00 mov ecx, [ebp+0]
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40 inc eax
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3B C1 cmp eax, ecx
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72 EF jb short loc_4010B4
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*/
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$rscsDecoderLoop = {
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8A [2]
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80 F1 ??
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88 [2]
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8B [2]
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40
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3B ??
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72 EF
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}
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condition:
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$resourceHTML and $rscsDecoderLoop in ((pe.sections[pe.section_index(".text")].raw_data_offset)..(pe.sections[pe.section_index(".text")].raw_data_offset + pe.sections[pe.section_index(".text")].raw_data_size))
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}
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