Sneed-Reactivity/yara-mikesxrs/Novetta/SierraCharlie.yara
Sam Sneed 08e8d462fe OMG ISTG PLS WORK
RED PILL 🔴 💊
2024-07-25 12:43:35 -05:00

39 lines
No EOL
998 B
Text

import "pe"
rule SierraCharlie
{
meta:
copyright = "2015 Novetta Solutions"
author = "Novetta Threat Research & Interdiction Group - trig@novetta.com"
Source = "f4750e1d82b08318bdc1eb6d3399dee52750250f7959a5e4f83245449f399698.bin"
strings:
/*
8B 0D 50 A7 56 00 mov ecx, DnsFree
81 F6 8C 3F 7C 5E xor esi, 5E7C3F8Ch
6A 01 push 1 ; _DWORD
50 push eax ; _DWORD
85 C9 test ecx, ecx
74 3A jz short loc_40580B
FF D1 call ecx ; DnsFree
*/
$dnsResolve = {
8B 0D 50 A7 56 00
81 F6 8C 3F 7C 5E
6A 01
50
85 C9
74 3A
FF D1
}
$file1 = "wmplog21t.sqm"
$file2 = "wmplog15r.sqm"
$file3 = "wmplog09c.sqm"
condition:
$dnsResolve in ((pe.sections[pe.section_index(".text")].raw_data_offset)..(pe.sections[pe.section_index(".text")].raw_data_offset + pe.sections[pe.section_index(".text")].raw_data_size))
or 2 of ($file*)
}