YARA · Malpedia signator rules
MALPEDIA_Win_Killav_Auto
autogenerated rule brought to you by yara-signator
- Author
- Felix Bilstein - yara-signator at cocacoding dot com
- Date
- 2026-05-04
- Modified
- 2026-05-18
- Score / Quality
- 75 / 75
What this rule detects
autogenerated rule brought to you by yara-signator
Associated malware family: Killav.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-killav-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Killav_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "1408957e-4599-51ba-a09c-95dde355580f"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.killav"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.killav_auto.yar#L1-L125"
= "N/A"
= "04eb14b50262060a97f19cbe61adb75eaeb660a96a83749938b18d56d4587afc"
= 75
= 75
= "FILE"
= "1"
= "yara-signator v0.6.0"
= "callsandjumps;datarefs;binvalue"
= "20260422"
= "a182e35da64e6d71cb55f125c4d4225196523f14"
= "20260504"
= "CC BY-SA 4.0"
= "TLP:WHITE"
strings:
$sequence_0 = { 8b049d70ba4300 8b4de0 f644082801 7515 e8???????? }
$sequence_1 = { 8bc2 8bca 83e03f c1f906 6bc038 8b0c8d70ba4300 807c012800 }
$sequence_2 = { c745ec07000000 668945d8 e8???????? 8d45d8 c645fc11 }
$sequence_3 = { 6a26 58 0fb60c855ed34200 0fb634855fd34200 8bf9 8985b0f8ffff }
$sequence_4 = { e8???????? 8d45d8 c645fc1b 50 8d4dd0 e8???????? c645fc00 }
$sequence_5 = { c1f806 6bc938 8b048570ba4300 0fb6440828 83e040 5d c3 }
$sequence_6 = { 807dfc01 8b4df4 8b55f0 7522 8b048d70ba4300 f644022d02 }
$sequence_7 = { c7869800000050c74200 c7460401000000 8b4dfc 5f 5e 33cd 5b }
$sequence_8 = { eb56 8b048580bb4200 6800080000 6a00 50 8945fc ff15???????? }
$sequence_9 = { 85c0 0f8561ffffff ff742410 ff15???????? }
condition:
7 of them and filesize < 517120
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 8b049d70ba4300 8b4de0 f644082801 7515 e8???????? } | |
| $sequence_1 | hex | { 8bc2 8bca 83e03f c1f906 6bc038 8b0c8d70ba4300 807c012800 } | |
| $sequence_2 | hex | { c745ec07000000 668945d8 e8???????? 8d45d8 c645fc11 } | |
| $sequence_3 | hex | { 6a26 58 0fb60c855ed34200 0fb634855fd34200 8bf9 8985b0f8ffff } | |
| $sequence_4 | hex | { e8???????? 8d45d8 c645fc1b 50 8d4dd0 e8???????? c645fc00 } | |
| $sequence_5 | hex | { c1f806 6bc938 8b048570ba4300 0fb6440828 83e040 5d c3 } | |
| $sequence_6 | hex | { 807dfc01 8b4df4 8b55f0 7522 8b048d70ba4300 f644022d02 } | |
| $sequence_7 | hex | { c7869800000050c74200 c7460401000000 8b4dfc 5f 5e 33cd 5b } | |
| $sequence_8 | hex | { eb56 8b048580bb4200 6800080000 6a00 50 8945fc ff15???????? } | |
| $sequence_9 | hex | { 85c0 0f8561ffffff ff742410 ff15???????? } |
Condition
7 of them and filesize < 517120In plain words (Heuristic)
- The file must be smaller than 517120 (a cheap guard that skips large files).
- At least 7 patterns in the rule must match.
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Licence & attribution
Author: Felix Bilstein - yara-signator at cocacoding dot com
Source repository: Malpedia signator rules @ c901f97b7d
Licence: Creative Commons Attribution-ShareAlike 4.0 (repository licence)
Mirrored via YARA Forge 20260927, which prefixes rule names with the source and adds normalised meta fields.
Rule id: 1408957e-4599-51ba-a09c-95dde355580f
Metadata
| version | 1 |
|---|---|
| tool | yara-signator v0.6.0 |
| signator_config | callsandjumps;datarefs;binvalue |
| malpedia_rule_date | 20260422 |
| malpedia_hash | a182e35da64e6d71cb55f125c4d4225196523f14 |
| malpedia_version | 20260504 |
| malpedia_license | CC BY-SA 4.0 |
| malpedia_sharing | TLP:WHITE |
Tags:FILE
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