Skip to content

[pull] master from kevoreilly:master #513

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
pull merged 1 commit into from
Jul 31, 2026
+31 −0
Merged

[pull] master from kevoreilly:master #513

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
14 changes: 14 additions & 0 deletions analyzer/windows/data/yara/Remus.yar
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,14 @@
rule Remus
{
meta:
author = "kevoreilly"
cape_options = "bp0=$c2*-11,action0=string:rsi,count=0,typestring=Remus Config"
hash = "f67a176503343855c88d9aac1217277ee4e2badc5e56fe403e56ca30e144b266"
strings:
$wmi = {48 89 F9 45 31 C0 FF D0 48 83 C4 30 85 C0 0F 99 C0 66 8B [1-4] 00 66 83 E9 08 0F 94 C1 20 C8}
$dec1 = {0F B6 04 0B 41 88 04 (0A|0B) 0F B6 44 0B 01 41 88 44 (0A|0B) 01 0F B6 44 0B 02 41 88 44 (0A|0B) 02 0F B6 44 0B 03 41 88 44 (0A|0B) 03 48 83 C1 04 49 39 C9 75 D1 90}
$dec2 = {48 B9 00 00 00 00 00 00 F8 7F 48 39 C8 0F 9F C1 48 BA 00 00 00 00 00 80 07 00 48 21 C2 48 B8 00 00 00 00 00 00 02 00 48 39 C2 0F 94 C0 20 C8 0F B6 C0 48 8D 0D [4] FF 24 C1}
$c2 = {C1 E0 06 48 8D 15 [4] 48 01 C2 48 8D 0D [4] 48 8D B4 24 [2] 00 00 49 89 F0 E8 [4] 48 8D 0D [4] BA 40 00 00 00 49 89 F0 45 31 C9 E8 [4] 40 B6 01 E9}
condition:
uint16(0) == 0x5A4D and 2 of them
}
3 changes: 3 additions & 0 deletions changelog.md
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,3 +1,6 @@
### [31.07.2026]
* Remus detection & dynamic config extraction

### [15.07.2026]
* Monitor update: Fix issue with NtWriteFile hook causing detonation failures (e.g. 9b1717eb154011b52aa24e4d6848976a9aafff2665f3171265aa767d5951be6c)

Expand Down
14 changes: 14 additions & 0 deletions data/yara/CAPE/Remus.yar
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,14 @@
rule Remus
{
meta:
author = "kevoreilly"
cape_type = "Remus Payload"
hash = "f67a176503343855c88d9aac1217277ee4e2badc5e56fe403e56ca30e144b266"
strings:
$wmi = {48 89 F9 45 31 C0 FF D0 48 83 C4 30 85 C0 0F 99 C0 66 8B [1-4] 00 66 83 E9 08 0F 94 C1 20 C8}
$dec1 = {0F B6 04 0B 41 88 04 (0A|0B) 0F B6 44 0B 01 41 88 44 (0A|0B) 01 0F B6 44 0B 02 41 88 44 (0A|0B) 02 0F B6 44 0B 03 41 88 44 (0A|0B) 03 48 83 C1 04 49 39 C9 75 D1 90}
$dec2 = {48 B9 00 00 00 00 00 00 F8 7F 48 39 C8 0F 9F C1 48 BA 00 00 00 00 00 80 07 00 48 21 C2 48 B8 00 00 00 00 00 00 02 00 48 39 C2 0F 94 C0 20 C8 0F B6 C0 48 8D 0D [4] FF 24 C1}
$c2 = {C1 E0 06 48 8D 15 [4] 48 01 C2 48 8D 0D [4] 48 8D B4 24 [2] 00 00 49 89 F0 E8 [4] 48 8D 0D [4] BA 40 00 00 00 49 89 F0 45 31 C9 E8 [4] 40 B6 01 E9}
condition:
uint16(0) == 0x5A4D and 2 of them
}
Loading